HomeMy WebLinkAboutTPM14-0005_IS-MND_Final
DEVELOPMENT SERVICES
DEPARTMENT
BUTTE COUNTY
INITIAL STUDY AND
PROPOSED MITIGATED NEGATIVE DECLARATION
TENTATIVE PARCEL MAP - TPM 14-0005 (Kromer)
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 1 of 45 ■
COUNTY OF BUTTE
DEPARTMENT OF DEVELOPMENT SERVICES
INITIAL STUDY AND MITIGATED NEGATIVE DECLARATION
FOR
TENTATIVE PARCEL MAP TPM14-0005 (Kromer)
1.0 PROJECT INFORMATION
A. Applicant/Owner: Brian Airehart (Applicant) / Robert and Leeanne Kromer (Owners)
B. Staff Contact: Rowland Hickel, Senior Planner; (530) 538-7150, rhickel@buttecounty.net
C. Project Name: TPM14-0005; Kromer, Robert and Leeanne Tentative Parcel Map
D. Project Location: The project site is located at the intersection of Bell Road and Alamo Avenue, approximately
¼ mile west from the City of Chico city limits; Rancho Arroyo Chico Land Grant; MDB&M.
E. Type of Application: Tentative Parcel Map
F. Assessor Parcel Number: 042-770-032
G. Project Site Size: 12.69± acres
H. Current Zoning: VLDR-2.5 (Very Low Density Residential – 2.5 acre minimum)
I. General Plan Designation: VLDR (Very Low Density Residential)
J. Environmental Setting:
The project site encompasses 12.69 acres of fallow agricultural lands located ¼ mile west from the City of
Chico city limits. Historic use of the property for agricultural purposes resulted in the disturbance of soils
and the removal of native vegetation. Vegetation now consists primarily of non-native forbs and grasses,
with a scattering of immature oak trees concentrated near the center of the site. The property is improved
with an existing groundwater well and unconnected/unmetered power pole. Bell Road fronts the project site,
with Jones Avenue bordering the easterly property line for approximately 1,300 feet. Elevation of the project
site ranges between 163 to 168 feet above mean sea level. Topography of the site is level with 0 to 1 percent
slopes.
Both the Butte County General Plan, and from land cover data provided by the Butte County Association of
Governments, in preparation of the upcoming Butte County Regional Conservation Plan identify this
property as Agriculture. The agricultural natural community is comprised of several land cover types
including orchards and vineyards, rice, irrigated cropland, irrigated pasture, and non-native woodland.
Agriculture occurs where the soils and topography are most suitable for production, which are generally the
flat and well-drained areas located in the valley region of the County. Conversion of lands to an agricultural
use has resulted in the removal of most of the historical native habitat. Agriculture natural community areas
generally don’t support the diversity of wildlife compared with most native habitats; however, these areas
continue to support wildlife and provide essential breeding, foraging and roosting habitat for many resident
and migrant wildlife species.
The Chico Municipal Airport is located 2.5 miles northeast from the project site, placing a portions of the project
site within the Airport Land Use Compatibility Zone D. Compatibility Zone D for the Chico Municipal Airport
is defined as the outer boundary of the Federal Aviation Regulations (FAR) Part 77 conical zone limits, subjecting
lands to reviews to ensure that objects and other land uses do not affect the navigable airspace of the airport.
The project site is not listed on the California Department of Toxic Substances Control (DTSC) Hazardous
Waste and Substances Site List (Cortese List) and is not located near any sites or sites known or suspected
to contain hazardous materials.
K. Surrounding Land Uses:
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 2 of 45 ■
The area surrounding the project site primarily includes single-family residences on five-acre averaged-sized
lots to the west, single-family residences on one-acre sized lots to the east and south, and orchards/agriculture
uses to the north. Public rights-of-way in the vicinity of the project site include Bell Road (County) and
Alamo Avenue (County) to the south, and Jones Avenue (Private), Santiago Court (Private), and Ciulla Lane
(Private) to the east.
The Chico Area Greenline is located along the easterly and southerly property lines. The subject property is
therefore located on the agricultural side of the Greenline.
Surrounding General Plan and zoning designations and existing land uses are as follows:
Direction General Plan Designation Zoning Existing Land Use(s)
North Agriculture AG-80 Agricultural/Orchards
South Very Low Density Residential VLDR Residential
East Very Low Density Residential VLDR-2.5 Residential
West Very Low Density Residential VLDR Residential
L. Project Description:
The applicant is requesting to subdivide 12.69 acres into four lots: 5.19 acres (Lot 1), 2.5 acres (Lot 2), 2.5 acres
(Lot 3), and 2.5 acres (Lot 4). Domestic water for future development on the resultant parcels would be provided
by the on-site domestic wells. Waste water disposal for future development would be provided by individual on-
site septic systems.
Access to the proposed lots would be provided by a new private road off Bell Road. The access road will be
constructed to the County’s RS-8-LDIII Standard, which will include two, 10-foot wide travel lanes, 2-foot wide
shoulders, and roadside drainages. Road surfacing will include a 4-inch aggregate base overlaid with a single
layer of sealcoat. The total length of the road from Bell Road to it terminus is 1,319 feet, and will include a 40-
foot radius cul-de-sac at its terminus. Road approach improvements will be constructed to S-18B standard,
pursuant to the 2006 Butte County Improvement Standards.
A 300-foot Building Setback will be established from the northerly property line, pursuant to Section 24-81 et
seq. of the Butte County Zoning Ordinance. The setback will be established to provide a buffer from adjacent
agricultural uses currently in operation on adjacent lands. The buffer would restrict all future residential
development adjacent to current agricultural operations and agricultural zoning designations, and would
minimize potential conflicts between the two uses.
Subdivision of the project site would create four developable lots situated in the VLDR-2.5 zone district. The
Very Low Density Residential zoning designation allows for single-family homes and related uses in residential
neighborhoods within the County. Permitted residential uses in the VLDR zones include single-family
homes, small residential care homes, second units, animal grazing, on-site agricultural product sales, and
private stables. The VLDR zone also conditionally permits non-residential uses compatible with a residential
setting, including public and quasi-public uses, golf courses, park and recreational facilities, personal
services, animal keeping, large residential care homes, and medical offices and clinics. The minimum
permitted parcel size for this zone is 2.5 acres.
M. Public Agency Approvals:
Butte County Department of Development Services
Butte County Public Works Department
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 3 of 45 ■
Figure 1 – Project Location Map
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 4 of 45 ■
Figure 2 – Proposed Tentative Parcel Map
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 5 of 45 ■
Figure 3 – Zoning Map
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 7 of 45 ■
Evaluation of Environmental Impacts:
1) A brief explanation is required for all answers except "No Impact" answers that are adequately supported by the
information sources a lead agency cites in the parentheses following each question. A "No Impact" answer is
adequately supported if the referenced information sources show that the impact simply does not apply to projects
like the one involved (e.g., the project falls outside a fault rupture zone). A "No Impact" answer should be
explained where it is based on project-specific factors as well as general standards (e.g., the project will not expose
sensitive receptors to pollutants, based on a project-specific screening analysis).
2) All answers must take account of the whole action involved, including off-site as well as on-site, cumulative as
well as project-level, indirect as well as direct, and construction as well as operational impacts.
3) Once the lead agency has determined that a particular physical impact may occur, then, the checklist answers
must indicate whether the impact is potentially significant, less than significant with mitigation, or less than
significant. "Potentially Significant Impact" is appropriate if there is substantial evidence that an effect may be
significant. If there are one or more "Potentially Significant Impact" entries when the determination is made, an
EIR is required.
4) "Negative Declaration: Less Than Significant With Mitigation Incorporated" applies where the incorporation of
mitigation measures has reduced an effect from "Potentially Significant Impact" to a "Less Than Significant
Impact." The lead agency must describe the mitigation measures, and briefly explain how they reduce the effect
to a less than significant level (mitigation measures from Section XVII, "Earlier Analyses," may be cross-
referenced).
5) Earlier analyses may be used where, pursuant to the tiering, program EIR, or other CEQA process, an effect has
been adequately analyzed in an earlier EIR or negative declaration. Section 15063(c)(3)(D). In this case, a brief
discussion should identify the following:
a) Earlier Analysis Used. Identify and state where they are available for review.
b) Impacts Adequately Addressed. Identify which effects from the above checklist were within the scope of and
adequately analyzed in an earlier document pursuant to applicable legal standards, and state whether such
effects were addressed by mitigation measures based on the earlier analysis.
c) Mitigation Measures. For effects that are "Less than Significant with Mitigation Measures Incorporated,"
describe the mitigation measures, which were incorporated or refined from the earlier document and the
extent to which they address site-specific conditions for the project.
6) Lead agencies are encouraged to incorporate into the checklist references to information sources for potential
impacts (e.g., general plans, zoning ordinances). Reference to a previously prepared or outside document should,
where appropriate, include a reference to the page or pages where the statement is substantiated.
7) Supporting Information Sources: A source list should be attached, and other sources used or individuals contacted
should be cited in the discussion.
8) This is only a suggested form, and lead agencies are free to use different formats; however, lead agencies should
normally address the questions from this checklist that are relevant to a project's environmental effects in whatever
format is selected.
9) The explanation of each issue should identify:
a) The significance criteria or threshold, if any, used to evaluate each question; and
b) The mitigation measure identified, if any, to reduce the impact to less than significance
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 8 of 45 ■
4.0 ENVIRONMENTAL IMPACTS
4.1 Aesthetic/Visual Resources:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Have a substantial adverse effect on a scenic vista?
b. Substantially damage scenic resources, including, but
not limited to, trees, rock outcroppings, and historic
buildings within a state scenic highway?
c. Substantially degrade the existing visual character or
quality of the site and its surroundings?
d. Create a new source of substantial light or glare
which would adversely affect day or nighttime views
in the area?
Setting:
The project area is characterized as open pasture and fallow agricultural lands situated in the rural valley region of
Butte County, northwest from the City of Chico, approximately ¼ mile west from the city limits. Several low density
single-family residential parcels with one-acre lot sizes are located to the south and east of the project site. Single-
family residential lots with five-acre lot sizes are located to the west, and large agricultural lots presently used as
orchards are located to the north.
The topography of the project area is gentle and flat, with elevations ranging from 60 to 200 feet above sea level. The
level topography of the valley region contributes to an open and uniform visual character, with natural waterways and
canals, and associated levees, providing the most dominate landscape features. Natural vegetation in the area consists
of annual grasslands and orchards. The most prominent human-made features are the rural residences, farm structures,
roads, utility lines, as well as the urban and suburban landscapes surrounding Chico.
The Butte County General Plan depicts identified scenic resources in Butte County, including land-based and water-
based scenic resources (Figure COS-7), County scenic highways (Figure COS-8), and Scenic Highway Zones (Figure
COS-9). Based on the information provided in the General Plan, the project site is not located within, or in the vicinity
of, identified scenic resources.
Impact Discussion:
a.) Less than significant impact. Future development of the resultant parcels may include permitted and
conditionally-permitted uses allowed within the VLDR-2.5 zoning designation, which may be visible from
various vantage points from the valley and foothill regions. Permitted development on the resultant parcels
would be consistent with the established visual character and density of the surrounding area. Due to the
low-density of the project, as well as visual compatibility of permitted development with the surrounding
area, placement of additional residences or the establishment of agricultural uses on the project site will not
significantly interfere with the views of scenic vistas from adjacent residences and public right-of-ways.
Therefore, the project would not significantly affect a scenic vista nor have a demonstrable negative aesthetic
effect.
b.) Less than significant impact. No scenic resources have been identified to be on the project site, or in the
surrounding area. As a result, proposed improvements would not result in the damage or degradation of
existing features on or near the project site. Subsequent development of the resultant parcels is anticipated
to be consistent with the character of the project site and surrounding area.
c.) Less than significant impact. The residential uses and the proposed density of the resultant parcels would
be consistent with the residential character and quality of the project site and surrounding area.
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 9 of 45 ■
d.) Less than significant impact. Outdoor lighting for safety and security could potentially be added to future
structures on the resultant parcels. The proposed large-lot development would help minimize ordinary
nighttime lighting impacts to adjacent areas. Additionally, Article 14 of Butte County Zoning Code requires
that all outdoor lighting in residential areas be located, adequately shielded, and directed such that no direct
light falls outside the property perimeter, or into the public right-of-way. As a result, the proposed project
would not create new sources of substantial lighting or glare that would generate a significant impact.
Mitigation Measure: None required.
4.2 Agriculture Resources:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Convert Prime Farmland, Unique Farmland, or
Farmland of Statewide Importance (Farmland), as
shown on the maps prepared pursuant to the
Farmland Mapping and Monitoring Program of the
California Resources Agency, to non-agricultural
use?
b. Conflict with existing zoning for agricultural use, or
a Williamson Act Contract?
c. Conflict with existing zoning for, or cause rezoning
of, forest land (as defined in Public Resources Code
section 12220(g)), timberland (as defined by Public
Resources Code section 4526), or timberland zoned
Timberland Production (as defined by Government
Code section 51104(g))?
d. Result in the loss of forest land or conversion of
forest land to non-forest use?
e. Involve other changes in the existing environment
which, due to their location or nature, could result in
conversion of Farmland, to non-agricultural use or
conversion of forest land to non-forest use?
Setting:
The project site is vacant land situated in the VLDR-2.5 zone district. The Land Use Element Map of the Butte County
General Plan designates the project site as Very Low Density Residential (VLDR). This land use designation is
primarily for single-family homes on lots sizes with a minimum parcel size of 2.5 acres. The VLDR zone also allows
for limited agricultural uses including crop cultivation, animal grazing, private stables, animal services, as well as
roadside stands for the sale of agricultural products grown on the property.
Important Farmland
To characterize the environmental baseline for agricultural resources, Important Farmland Maps produced by the
California Department of Conservation’s Farmland Mapping and Monitoring Program (FMMP) were reviewed.
Important Farmland maps show categories of Prime Farmland, Farmland of Statewide Importance, Unique Farmland,
Farmland of Local Importance (if adopted by the county), Grazing Land, Urban and Built-up Land, Other Land, and
Water. Prime Farmland and Farmland of Statewide Importance map categories are based on qualifying soil types, as
determined by the U.S. Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS), as well
as current land use. These map categories are defined by the Department of Conservation’s FMMP as follows:
Prime Farmland: Land which has the best combination of physical and chemical characteristics for the
production of crops. It has the soil quality, growing season, and moisture supply needed to produce sustained
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 10 of 45 ■
high yields of crops when treated and managed, including water management, according to current farming
methods.
Farmland of Statewide Importance: Land that is similar to Prime Farmland but with minor shortcomings,
such as greater slopes or less ability to hold and store moisture.
Unique Farmland: Land of lesser quality soils used for the production of specific high economic value
crops. It has the special combination of soil quality, location, growing season, and moisture supply needed
to produce sustained high quality or high yields of a specific crop when treated and managed according to
current farming methods. It is usually irrigated, but may include non-irrigated orchards or vineyards as found
in some climatic zones in California. Examples of crops include oranges, olives, avocados, rice, grapes, and
cut flowers.
Farmland of Local Importance: Land of importance to the local agricultural economy, as determined by
each county’s board of supervisors and local advisory committees. Examples include dairies, dryland
farming, aquaculture, and uncultivated areas with soils qualifying for Prime Farmland and Farmland of
Statewide Importance. Butte County has not adopted a definition of Farmland of Local Importance.
Grazing Land: Land on which the existing vegetation, whether grown naturally or through management, is
suitable for grazing or browsing of livestock.
Urban and Built-up Land: Land used for residential, industrial, commercial, construction, institutional,
public administrative purpose, railroad yards, cemeteries, airports, golf courses, sanitary landfills, sewage
treatment plants, water control structures, and other development purposes. Highways, railroads, and other
transportation facilities are also included in this category.
Other Land: Land not included in any other mapping category. Common examples include low density
rural developments; brush, timber, wetland, and riparian areas not suitable for livestock grazing; confined
livestock, poultry or aquaculture facilities; strip mines, borrow pits; and water bodies smaller than forty acres.
Vacant and nonagricultural land surrounded on all sides by urban development and greater than 40 acres is
mapped as Other Land.
Water: Water areas with an extent of at least 40 acres.
The project site is identified by the Department of Conservation as containing lands classified as Other Land. Areas
surrounding the project site include Prime Farmland to the north, and Urban and Built-up Land to the east.
Williamson Act
The California Land Conservation Act of 1965, commonly known as the Williamson Act, was established based on
numerous State legislative findings regarding the importance of agricultural lands in an urbanizing society. Policies
emanating from those findings include those that discourage premature and unnecessary conversion of agricultural
land to urban uses and discourage discontinuous urban development patterns, which unnecessarily increase the costs
of community services to community residents. The Williamson Act authorizes each County to establish an
agricultural preserve. Land that is within the agricultural preserve is eligible to be placed under a contract between
the property owner and County that would restrict the use of the land to agriculture in exchange for a tax assessment
that is based on the yearly production yield. The contracts have a 9-year term that is automatically renewed each year,
unless the property owner or county requests a non-renewal or the contract is cancelled. The project site and
surrounding areas are not encumbered by a Williamson Act contract.
Agricultural Buffer Guidelines
The Butte County Zoning Ordinance (Section 24-81 et seq.) requires a 300-foot buffer between agricultural and non-
agricultural uses on agriculturally zoned lands. To implement this requirement, and to provide guidance regarding
requests for a determination of unusual circumstances, Butte County has prepared Agricultural/Residential Buffer
Implementation Guidelines. The buffer must physically separate agricultural and residential uses to help minimize
potential conflicts. The County may make a determination of unusual circumstances based on criteria outlined in the
Guidelines, in which case the buffer may take other forms or be of a lesser distance.
Impact Discussion:
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 11 of 45 ■
a.) No Impact. The project site is not designated as Important Farmland in the Farmland Mapping and
Monitoring Program. Therefore, the proposed project would not result in the conversion of Important
Farmland to a non-agricultural use.
b.) No impact. The project site is zoned primarily for residential uses. The VLDR zone also allows for
agricultural uses including crop cultivation, animal grazing, private stables, and other, limited, agricultural-
type uses. The proposed project would not result in a change to the current zoning designation of the property,
and the project site would continue to allow for limited agricultural uses. The project site is not restricted by
a Williamson Act contract.
c.) No impact. The project site is not located in a timber resource zoning category such as Timber Mountain
(TM), Timber Production (TPZ), or Resource Conservation (RC). The project site is also not classified as
forest land, pursuant to California Public Resources Code Section 12220(g), because the project site cannot
support 10 percent native tree cover. Therefore, the proposed project would not conflict with, or cause the
rezoning of, a timber resource zoning designation.
d.) No impact. The project site is not classified as forest land, and therefore, the proposed project would not
result in loss or conversion of forest land to a non-forest use.
e.) No impact. State-designated Important Farmlands are located north of the project site. The premature
conversion of these farmlands could potentially occur with approval of the project from the increase in the
number of residential uses developed in close proximately to existing agricultural uses, which may cause
potential conflicts due to its incompatibility. Potential conflicts could include restrictions on farming
operations, restrictions on pesticide usage, increased risk of theft and vandalism, complaints, introduction of
pests, litter, and pets from residential uses. Residential land users adjacent to agriculture operations may
have concerns about pesticide use, noise, odors, insects, dust, smoke, animal containment, extended hours of
operations and visual impacts.
To address these incompatible uses and the potential for premature conversion of Important Farmland to a
non-agricultural use, the County established Agricultural/Residential buffers to provide a physical separation
between the two uses.
Under Section 24-81 et seq. of the Butte County Zoning Ordinance, a 300-foot buffer is required between
the two uses. The applicant has proposed to establish a 300-foot buffer area from the northwestern property
line. The buffer would restrict all future residential development adjacent to current agricultural operations
and agricultural zoning designations, and would minimize potential conflicts between the two uses.
Mitigation Measure: None required.
4.3 Air Quality:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Conflict with or obstruct implementation of the
applicable air quality plan?
b. Violate any air quality standard or contribute
substantially to an existing or projected air quality
violation?
c. Result in a cumulatively considerable net increase of any
criteria pollutant for which the project region is non-
attainment under an applicable federal or state ambient
air quality standard (including releasing emissions which
exceed quantitative thresholds for ozone precursors)?
d. Expose sensitive receptors to substantial pollutant
concentrations?
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 12 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
e. Create objectionable odors affecting a substantial
number of people?
Setting:
The proposed project is located in the Northern Sacramento Valley Air Basin (NSVAB). The NSVAB is bounded on
the north by the Cascade Range, on the south by the Greater Sacramento Air Region and San Joaquin Valley Air
Basin, on the east by the Sierra Nevada, and on the west by the Coast Range. High temperatures and low humidity,
with prevailing winds from the south, characterize summer conditions. Occasional rainstorms, interspersed with
stagnant and sometimes foggy weather, characterize winter conditions. Southern winds continue to predominate
during the winter. Two types of inversion occur in the NSVAB: 1) during the summer sinking air forms a lid over the
region contributing to photochemical smog and 2) air cools next to the ground while air aloft remains warm causing
poor dispersion of ground level pollutant emissions.
The region’s air pollution management is guided by the Basin’s 2003 Air Quality Attainment Plan and includes a
number of feasible control measures. Butte County, under the auspices of the Butte County Air Quality Management
District (BCAQMD), has adopted some, but not all, of these measures.
The NSVAB is subject to federal, state, and local regulations. The NSVAB is designated nonattainment for PM10,
(particulate matter less than 10 microns in diameter), PM2.5 (particulate matter less than 2.5 microns in diameter) and
ozone (ROG and NOX), by the federal Environmental Protection Agency (EPA) and the California Air Resources
Board (CARB).
The CARB prepares and submits to the EPA a State Implementation Plan explaining how the state will attain
compliance with Federal clean air standards. The NSVAB adopted an updated Air Quality Attainment Plan in 2004
as its component of the State Implementation Plan. Among other policies, the Air Quality Attainment Plan called for
the preparation and implementation of Indirect Source Review Guidelines (Guidelines). The intent of the Guidelines
is to facilitate incorporation of features and mitigations early in the planning process, rather than later during the
formal environmental review process when it may be too late or too expensive to incorporate the District’s
recommended mitigation measures.
The BCAQMD also released the CEQA Air Quality Handbook: Guidelines for Assessing Air Quality Impacts for
projects subject to CEQA Review (CEQA Handbook), which was approved January 24, 2008 (a revised version is
currently proposed for adoption). The document establishes thresholds of significance for projects based on project
size and/or projected emissions. The thresholds were analyzed for conformance with CEQA Guidelines §15382. The
districts four categories of evaluation are:
1. Comparison of calculated project emissions to the Districts emission thresholds;
2. Consistency with the most recent Air Quality Attainment Plan (AQAP) for Butte County;
3. Comparison of predicted ambient pollutant concentrations resulting from the project to State and Federal
health standards, where applicable; and
4. The evaluation of special conditions which apply to certain projects, such as public exposure to toxic air
contaminants.
Table 4.3-1, below, lists the thresholds of significant for critical pollutants of concern, and the environmental
document type, as determined by the CEQA Air Quality Handbook provided by the BCAQMD.
Table 4.3-1: Thresholds of Significance for Critical Pollutants of Concern
Pollutant Level A Level B Level C
NOx ≤25 lbs/day >25 lbs/day >137 lbs/day
ROG ≤25 lbs/day >25 lbs/day >137 lbs/day
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 13 of 45 ■
PM10 ≤80 lbs/day >80 lbs/day >137 lbs/day
Level of Significance Potentially Significant
impacts
Potentially Significant
Impacts Significant Impacts
Environmental Document
Mitigated Negative
Declaration (MND) or
ND
Mitigated ND or EIR EIR
Source: Table 2.1 of the BCAQMD CEQA Air Quality Handbook
Impact Discussion:
a.) Less than significant impact. A project is deemed inconsistent with air quality plans if it would result in
population and/or employment growth that exceeds growth estimates included in the applicable air quality
plan, which, in turn, would generate emission not accounted for in the applicable air quality plan emissions
budget. Therefore, proposed projects need to be evaluated to determine whether they would generate
population and employment growth and, if so, whether that growth would exceed the growth rates included
in the relevant air plans.
The proposed project could result in minor population growth in the county. However, the proposed project
is consistent with the established zoning, and population growth to the area has already been anticipated for.
Additionally, Table 4.3-1 (Thresholds of Significance for Critical Pollutants of Concern) lists the established
thresholds based on land use, corresponding to the Level A, B, and C pollutant levels. The threshold for a
single family residential project is 120 units. This project has the potential for only a minor amount of new
residential units, resulting in a “Level A” threshold of significance. Standard mitigation measures for projects
that meet the threshold levels for “Level A” are in Section 5 of the CEQA Handbook. These measures, listed
below, will be incorporated into the project. Due to the limited population growth created by the proposed
project, and the project’s consistency with established zoning, the project will not conflict with or obstruct
the air quality plan.
b.) Less than significant impact with mitigation incorporated. The proposed project has the potential to impact
air quality primarily in two ways: (1) the project would generate mobile source emissions associated with
future development on the resultant parcels, and (2) fugitive dust (particulate/PM10) and construction exhaust
emissions would be generated during construction activities associated with future development on the
resultant parcels.
Mobile source emissions are produced from motor vehicles, and include tailpipe and evaporative emissions.
No development is proposed with this project; however, future development of the resultant parcels has the
potential to generate additional motor vehicle trips. Emissions generated from potential on-road vehicles are
not expected to be substantial, and would not significantly violate existing air quality standards, because only
a limited amount development would occur over the project site.
Construction-related emissions are generally created throughout the course of project implementation and
parcel development, and would originate from construction equipment exhaust, employee vehicle exhaust,
dust from grading the land, exposed soil eroded by wind, and ROGs from architectural coating and asphalt
paving. Construction-related emissions would vary substantially depending on the level of activity, length
of the construction period, specific construction operations, types of equipment, number of personnel, wind
and precipitation conditions, and soil moisture content. Despite this variability in project site conditions,
experience has shown that there are a number of feasible control measures that can be reasonably
implemented to significantly reduce fugitive dust emissions from construction activities to a less than
significant level.
Construction activities to build the access road would be performed during project implementation. These
activities would generate fugitive dust emission during construction. To ensure effective and comprehensive
control measures for fugitive dust emission are implemented during future construction activities, and that
dust emissions are reduced to a less than significant level, Mitigation Measure #1, listed below, is
recommended.
The primary construction exhaust emissions generated by diesel-powered heavy equipment during
construction activities include Nitrogen Oxide (NOx) and Volatile Organic Compounds (VOCs). When these
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emissions interact with sunlight in the atmosphere, they tend to break-down forming ozone or photochemical
smog, and are known as ozone precursor emissions. The proposed project is expected to generate additional
NOx and VOCs during proposed construction activities. Mitigation Measure #1 also includes practices to
be used during construction activities that give preference to using cleaner-burning construction equipment,
if feasible. Implementation of these measures would offset the project’s contribution of combustion
emissions generated during construction activities to a less than significant level.
c.) Less than significant impact with mitigation incorporated. Based on the information provided in section
b.), above, the proposed project would not result in the violation of any air quality standards or contribute
substantially to an existing or projected air quality violation, except for potential fugitive dust emission during
construction activities.
Fugitive dust emissions generated during construction has the potential to contribute cumulatively to the region’s
non-attainment of PM10 and PM2.5 emissions. Implementation of Mitigation Measure #1 would reduce potential
cumulative fugitive dust emission impacts to a less than significant level.
d.) Less than significant impact with mitigation incorporated. A number of homes are located within ¼ mile
of the project site. Construction activities would generate emissions of criteria pollutants, including
suspended and inhalable particulate matter and equipment exhaust emissions. These emissions could expose
nearby sensitive receptors to pollutants concentrations.
Implementation of Mitigation Measure #1 would reduce impacts of construction-related fugitive dust
emissions. Additionally, because impacts related to equipment exhaust emissions would not exceed the
significance thresholds recommended by BCAPMD, and because construction activities of future
development would likely be short in duration, impacts to sensitive receptors would be less than significant.
e.) Less than significant impact. Future residential uses on the resultant parcels would not create objectionable
odors. However, future construction activities on the resultant parcels could include objectionable odors
from tailpipe diesel emissions and from solvents in adhesives, paints, caulking materials, and new asphalt.
Since odor impacts would be temporary and limited to the area adjacent to the construction operations, and
because the project site is located in a rural area of the County, odors would not impact a substantial number
of people for an extended period of time.
Mitigation Measure #1
Place a note on a separate document which is to be recorded concurrently with the map or on an additional map sheet
that states: “Dust generated by the development activities shall be kept to a minimum and retained on-site. Follow the
air quality control measures listed below:
Control Dust
a. During clearing, grading, earth moving, excavation, or transportation of cut or fill materials, water trucks or
sprinkler systems are to be used to prevent dust from leaving the site and to create a crust after each day’s activities
cease.
b. During construction, water trucks or sprinkler systems shall be used to keep all areas of vehicle movement damp
enough to prevent dust from leaving the site. At a minimum, this would include wetting down such areas in the
later morning and after work is completed for the day and whenever wind exceeds 15 miles per hour.
c. Soil stockpiled for more than two days shall be covered, kept moist, or treated with soil binders to prevent dust
generation.
d. On-site construction vehicles shall be limited to a speed of 15 mph on unpaved roads.
e. Haul vehicles transporting soil into or out of the property shall be covered.
f. Existing roads and streets adjacent to the project shall be cleaned at least once per day if dirt or mud from the
project site has been tracked onto these roadways, unless conditions warrant a greater frequency.
g. Other measures may be required as determined appropriate by the BCAQMD or Department of Public Works in
order to control dust.
Post Contact Information
h. Post a publicly visible sign with the telephone number and person to contact regarding dust complaints. This
person shall respond and take corrective action within 24 hours. The telephone number of the Butte County Air
Quality Management District ((530) 332-9400) shall be visible to ensure compliance with BCAQMD Rule 200
& 205 (Nuisance and Fugitive Dust Emissions).
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Other Construction Practices
i. Maintain all construction equipment in proper tune according to manufacturer’s specification.
j. Where feasible, give preference to utilizing the following equipment:
Electric equipment
Substitute gasoline-powered for diesel-powered equipment
Alternatively fueled construction equipment on site such as compressed natural gas (CNG), liquid natural
gas (LNG), propane, or biodiesel.
Equipment that has Caterpillar pre-chamber diesel engines, as practical.
Diesel construction equipment meeting the CARB’s 1996 or newer certification standard for off-road heavy-
duty diesel engines.
k. Construction workers shall park in designated parking area(s) to help reduce dust emissions.”
Plan Requirements: The note shall be placed on a separate document which is to be recorded concurrently with the
map or on an additional map sheet. This note shall also be placed on all building and site development plans.
Timing: Requirements of the condition shall be adhered to throughout all grading and construction periods.
Monitoring: The Butte County Department of Development Services and the Public Works Department shall ensure
that the note is placed on a separate document which is to be recorded concurrently with the map or on an additional
map sheet. Building inspectors shall spot check and shall ensure compliance on-site. Butte County Air Pollution
Control District inspectors shall respond to nuisance complaints.
4.4 Biological Resources:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Have a substantial adverse effect, either directly or
through habitat modifications, on any species
identified as a candidate, sensitive, or special status
species in local or regional plans, policies, or
regulations, or by the California Department of Fish
and Game or U.S. Fish and Wildlife Service?
b. Have a substantial adverse effect on any riparian
habitat or other sensitive natural community
identified in local or regional plans, policies,
regulations or by the California Department of Fish
and Game or U.S. Fish and Wildlife Service?
c. Have a substantial adverse effect on federally
protected wetlands as defined by Section 404 or the
Clean Water Act (including, but not limited to, marsh,
vernal pool, coastal, etc.) through direct removal,
filling, hydrological interruption, or other means)?
d. Interfere substantially with the movement of any
native resident or migratory fish and wildlife species
or with established native resident or migratory
wildlife corridors, or impede the use of native wildlife
nursery sites?
e. Conflict with any local policies or ordinances
protecting biological resources such as a tree
preservation policy ordinance?
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Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
f. Conflict with the provisions of an adopted Habitat
Conservation Plan, Natural Community Conservation
Plan, or other approved local, regional, or state habitat
conservation plan?
g. A reduction in the numbers, a restriction in the range,
or an impact to the critical habitat of any unique, rare,
threatened, or endangered species of animals?
h. A reduction in the diversity or numbers of animals
onsite (including mammals, birds, reptiles,
amphibians, fish or invertebrates)?
i. A deterioration of existing fish or wildlife habitat (for
foraging, breeding, roosting, nesting, etc.)?
j. Introduction of barriers to movement of any resident
or migratory fish or wildlife species?
k. Introduction of any factors (light, fencing, noise,
human presence and/or domestic animals) which could
hinder the normal activities of wildlife?
Setting:
The project site is located in the valley region, situated west of the City of Chico. Both the Butte County General
Plan, and from land cover data provided by the Butte County Association of Governments, in preparation of the
upcoming Butte County Regional Conservation Plan identify this property as Agriculture.
Agriculture
The agricultural natural community is comprised of several land cover types including orchards and vineyards, rice,
irrigated cropland, irrigated pasture, and non-native woodland. Agriculture occurs where the soils and topography are
most suitable for production, which are generally the flat and well-drained areas located in the valley region of the
County. Conversion of lands to an agricultural use has resulted in the removal of most of the historical native habitat.
Agriculture natural community areas generally don’t support the wildlife compared with most native habitats;
however, these areas continue to support abundant wildlife and provide essential breeding, foraging and roosting
habitat for many resident and migrant wildlife species.
Jurisdictional Waters of the United States, including Wetlands
Waters of the United States (U.S.), including wetlands, are broadly defined to include navigable waterways, and
tributaries of navigable waterways, and adjacent wetlands. Although definitions vary to some degree, wetlands are
generally considered to be areas that are periodically or permanently inundated by surface water or groundwater,
supporting vegetation adapted to life in saturated soil. Jurisdictional wetlands are vegetated areas that meet specific
vegetation, soil, and hydrologic criteria defined by the U.S. Army Corps of Engineers (USACE). The USACE holds
sole authority to determine the jurisdictional status of waters of the U.S., including wetlands. Jurisdictional wetlands
and Waters of the U.S. include, but are not limited to, perennial and intermittent creeks and drainages, lakes, seeps,
and springs; emergent marshes; riparian wetlands; and seasonal wetlands. Wetland and waters of the U.S. provide
critical habitat components, such as nest sites and reliable source of water for a wide variety of wildlife species.
No aquatic features on the project site were identified. No formal delineation of jurisdictional waters was performed
for the project site; and any potential aquatic features of the project site are not expected to meet USACE jurisdictional
criteria due to the limited inputs of water, and the project’s site distance from area waterways designated as Waters of
the United States.
Special-Status Species
Many species of plants and animals within the State of California have low populations, limited distributions, or both.
Such species may be considered “rare” and are vulnerable to extirpation as the state’s human population grows and the
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habitats these species occupy are converted to agricultural and urban uses. A sizable number of native species and animals
have been formally designated as threatened or endangered under State and Federal endangered species legislation. Others
have been designated as “Candidates” for such listing and the California Department of Fish and Wildlife (CDFW) have
designated others as “Species of Special Concern”. The California Native Plant Society (CNPS) has developed its own
lists of native plants considered rare, threatened or endangered. Collectively, these plants and animals are referred to as
“special status species.”
Various direct and indirect impacts to biological resources may result from the small amount of development enabled by
the project, including the loss and/or alteration of existing undeveloped open space that may serve as habitat. Increased
vehicle trips to and from the project site can result in wildlife mortality and disruption of movement patterns within and
through the project vicinity. Disturbances such as predation by pets (e.g., cats and dogs) and human residents may also
occur at the human/open space interface, while conversion of land from lower to higher density residential use can lead to
a predominance of various urban-adapted wildlife species (e.g., coyotes, raccoons, ravens and blackbirds) that have been
observed to displace more sensitive species.
California Environmental Quality Act Guidelines Section 15065 requires a mandatory finding of significance for projects
that have the potential to substantially degrade or reduce the habitat of a threatened or endangered species, and to fully
disclose and mitigate impacts to special status resources. For the purposes of this Initial Study, the California
Environmental Quality Act (Sections 21083 and 21087, Public Resources Code) defines mitigation as measure(s) that:
Avoids the impact altogether by not taking a certain action or parts of an action.
Minimizes impacts by limiting the degree or magnitude of the action and its implementation.
Rectifies the impact by repairing, rehabilitating, or restoring the impacted environment.
Reduces or eliminates the impact over time by preservation and maintenance operations during the life of
the project.
Compensates for the impact by replacing or providing substitute resources or environments.
The California Natural Diversity Database (CNDDB) was reviewed to determine if any special-status species have
the potential to occur on the project site or in the vicinity. Table 4.4-2 lists the regulatory status and habitat
requirements for each special-status species identified within a five-mile radius of the project site.
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Impact Discussion:
a.) Less than significant impact. The project site contains habitats that have the potential to support plant and
invertebrates, considered as candidate, sensitive or special status species by the California Department of
Fish and Wildlife and United States Fish and Wildlife Service.
Historic use of the project site has resulted in habitat fragmentation, degradation of natural hydrology, and
the introduction of non-native species, which have diminished the habitat value of the vegetative communities
on the project site, and its ability to support special-status species. As a result, the limited amount of
development potential enabled by the proposed project would not significantly degrade or reduce the existing
habitat values on the project site that would cause significant impacts to sensitive species.
b.) No impact. The project site is not identified as containing riparian or other sensitive natural communities.
Table 4.4-2 Federal and State-Listed Species in the vicinity of the Project Site
Scientific Name Common Name Federal Status State Status CNPS/DFG List Habitat
Astragalus tener Ferris' milk-vetch None None 1B.1 Grassland w/ Vernal Pool Complexes,
Vernal Pool, Altered Vernal Pool
Balsamorhiza macrolepis big-scale balsamroot None None 1B.3 Grassland, Oak Woodland & Savanna,
Riparian
Castilleja rubicundula pink creamsacs None None 1B.2 Grassland, Oak Woodland
Fritillaria pluriflora adobe-lily None None 1B.2 Grassland, Oak Woodland & Savanna
Juncus leiospermus car. Leiospermus Red Bluff dwarf rush None None 1B.1 Wetlands, Oak Woodland & Savanna
Limnanthes floccosa ssp. Californica Butte County meadowfoam Endangered Endangered 1B.1 Grassland, Grassland w/ Vernal Pool Swale
Complexes, Wetlands
Paronychia ahartii Ahart's paronychia None None 1B.1 Wetlands, Oak Woodland & Savanna
Sidalcea robusta Butte County checkerbloom None None 1B.2 Grassland, Riparian, Oak Woodland &
Savanna
Tuctoria Greenei Greene's Tuctoria Endangered Rare 1B.1 Grassland, Grassland w/ Vernal Pool Swale
Complexes, Altered Vernal Pool
Branchinecta conservatio Conservancy fairy shrimp Endangered None Grassland w/ Vernal Pool Complexes,
Vernal Pool, Altered Vernal Pool
Branchinecta lynchi vernal pool fairy shrimp Threatened None Grassland w/ Vernal Pool Complexes,
Vernal Pool, Altered Vernal Pool
Desmocerus californicus dimorphus valley elderberry longhorn beetle Threatened None Riparian
Lepidurus packardi vernal pool tadpole shrimp Endangered None Grassland w/ Vernal Pool Complexes,
Vernal Pool, Altered Vernal Pool
Spea hammondii western spadefoot None None SSC
Grassland w/ Vernal Pool Swale Complexes,
Oak Woodland & Savanna, Riparian,
Wetlands, Aquatic
Emys marmorata western pond turtle None None SSC
Grassland, Grassland w/ Vernal Pool
Complexes, Oak Woodland & Savanna,
Riparian, Wetland, Aquatic
Thamnophis gigas giant garter snake Threatened Threatened Riparian, Wetland, Aquatic, Agriculture
Agelauis tricolor tricolored blackbird None None SSC Grassland with Vernal Pool Swale
Complexes, Wtlands, Agriculture
Athene cunicularia western burrowing owl None None SSC Varied
Buteo swainsoni Swainson's hawk None Threatened Grassland, Riparian, Oak Woodland &
Savanna, Agriculture
Coccyzusamericanus occidentalis western yellow-billed cuckoo Proposed Threatened Endangered Riparian
Haliaeetus leucocephalus bald eagle Delisted Endangered FP Oak Woodland & Savanna, Riparian,
Wetlands, Aquatic, Agriculture
Riparia riparia bank swallow None Threatened Varied
Dendroica petechia brewsteri yellow warbler None None SSC Oak Woodland & Savanna, Riparian,
Oncorhynchus Mykiss Central Valley Steelhead Threatened None Aquatic
Antrozous pallidus pallid bat None None SSC Grassland, Oak Woodland & Savanna,
Riparian, Aquatic, Agriculture
Lasiurus blossevillii western red bat None None SSC Oak Woodland, Riparian
Eumops perotis californicus western mastiff bat None None SSC Grassland, Oak Woodland
MAMMALS
PLANTS
INVERTEBRATES
Source: California Natural Diversity Database Version 3.1.0 / Butte Regional Conservation Plan, December 2012 Draft
BIRDS
FISH
AMPHIBIANS & REPTILES
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c.) No impact. No aquatic features, including wetlands, have been identified within, or in the vicinity of the project
site.
d.) No impact. No major migratory routes have been designated through the project site. The site may facilitate
home range and dispersal movement of resident wildlife species, but does not serve as a designated wildlife
movement corridor. Subsequent development of the resultant parcels would not restrict regional wildlife
movement or wildlife migration patterns primarily due to the size of the parcels, minimal development
potential and existing development patterns of the surrounding area.
e.) Less than significant impact. A limited number of trees are located on the project site. Oak trees located on the
project site are generally found to be immature, and less than 5 inches in diameter. Future development on the
resultant parcels may necessitate removal of some trees. However, due to the limited number of trees on the
project site, and the young age of oak trees, future development would not conflict with any local policies or
ordinances protecting biological resources.
f.) No impact. The Butte Regional Conservation Plan (BRCP) is a joint Habitat Conservation Plan
(HCP)/National Community Conservation Plan (NCCP) that is currently being prepared for the western half
of the Butte County, and is scheduled to be completed in 2015. The project site is located within the proposed
plan area of the BRCP and within a proposed Urban Permit Area. However, as the plan has not been adopted,
the proposed project will not conflict, nor interfere with, the attainment of the goals of the proposed plan.
Regardless, the small scale of this project would not be expected to have significant impacts upon sensitive
biological resources that would require mitigation under the future habitat conservation plan.
g.) Less than significant impact. See discussion 4.4(a) – Biological Resources. Due to the limited development
potential of the proposed project, as well as the minor amount of disturbance associated with the placement
of a new development, less than significant impacts to critical habitats on the project site are anticipated.
h.) Less than significant impact. See discussion 4.4(a) – Biological Resources.
i.) Less than significant impact. The project site does not contain native waterways containing substantial fish
and wildlife habitat. The potential development of the resultant parcels are not expected to result in a
significant deterioration of existing fish or wildlife habitat or introduce barriers to movement of any resident or
migratory fish or wildlife species because of its small scale.
j.) Less than significant impact. Introduction of new lighting, fencing, noise, human presence and/or domestic
animals are not expected to hinder the normal activities of wildlife living in and passing through the project
site due to the relative low density of the resulting project parcels and the proximate of low-density existing
development patterns in the vicinity of the project.
k.) Less than significant impact. This project could result in the development of residential units that would
introduce additional factors such as lighting, noise, human presence and domestic animals. The project site,
and the surrounding area, already includes these factors in a low-density setting. The proposed project is
consistent with the land use and density established for this area, and the addition of new single-family
residences are not anticipated to significantly hinder normal activities of wildlife.
4.5 Cultural Resources:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Cause a substantial adverse change in the significance
of a historical resource as defined in §15064.5?
b. Cause a substantial adverse change in the significance of
an archaeological resource pursuant to §15064.5?
c. Directly or indirectly destroy a unique paleontological
resource or site or unique geologic feature?
d. Disturb any human remains, including those interred
outside of formal cemeteries?
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Setting:
Cultural resources include prehistoric and historic period archaeological sites; historical features, such as rock walls,
water ditches and flumes, and cemeteries; and architectural features. Cultural resources consist of any human-made
site, object (i.e., artifact), or feature that defines and illuminates our past. Often such sites are found in foothill areas,
areas with high bluffs, rock outcroppings, areas overlooking deer migratory corridors, or near bodies of water.
Although this area is not located within one of these areas, there is still the chance that cultural resources could be
located on site.
A record search for existing archeological sites and surveys on the project site, and within one mile, was conducted
through the Northeast Information Center of the California Historical Resources Information System in July 2014.
The search did not reveal the existence of any prehistoric or historic resources on the project site. But, it was noted
that there is one prehistoric site located within one-mile of the project site. The identified prehistoric site consisted of
human bones, graves, mortars, and pestles that may have been utilized by the Konkow Maidu populations, which were
known to be located in the region.
Records indicate that a portion of the project area has been previously surveyed by a professional archaeologist in
1977.
Impact Discussion:
a-d.) Less than significant impact with mitigations incorporated. Historic use of the project site for agriculture
has resulted in ground-disturbing activities that likely destroyed any cultural resources that may have been
located on the surface. Future grading and other soil disturbance activities resulting from the development
of the project site has the potential to uncover historic or prehistoric cultural resources located below the
surface. To prevent impacts to the resources that may be uncovered during development activities on the
project site, Mitigation Measure #3, below, is recommended.
Mitigation Measure #2
Place a note on a separate document which is to be recorded concurrently with the Parcel Map or on an additional map
sheet that states: “Should grading activities reveal the presence of prehistoric or historic cultural resources (i.e. artifact
concentrations, including arrowheads and other stone tools or chipping debris, cans glass, etc.; structural remains;
human skeletal remains) work within 50 feet of the find shall immediately cease until a qualified professional
archaeologist can be consulted to evaluate the find and implement appropriate mitigation procedures. Should human
skeletal remains be encountered, State law requires immediate notification of the County Coroner ((530) 538-6579).
Should the County Coroner determine that the remains are in an archaeological context, the Native American Heritage
Commission in Sacramento shall be notified immediately, pursuant to State Law, to arrange for Native American
participation in determining the disposition of such remains.” The provisions of this note shall be followed during
construction of all subdivision improvements, including land clearing, road construction, utility installation, and
building site development.
Plan Requirements: This note shall be placed on a separate document which is to be recorded concurrently with the
map or on an additional map sheet and shall be shown on all site development and building plans.
Timing: This measure shall be implemented during all site preparation and construction activities.
Monitoring: The Department of Development Services and/or Public Works Department shall ensure the note is
placed on a separate document which is to be recorded concurrently with the map or on an additional map sheet.
Should cultural resources be discovered, the landowner shall notify the Planning Division and a professional
archaeologist. The Planning Division shall coordinate with the developer and appropriate authorities to avoid damage
to cultural resources and determine appropriate action. State law requires the reporting of any human remains.
4.6 Geologic Processes:
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Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Expose people or structures to potential substantial
adverse effects, including the risk of loss, injury, or
death involving:
1. Rupture of a known earthquake fault, as
delineated on the most recent Alquist-Priolo
Earthquake Fault Zoning Map issued by the
State Geologist for the area or based on other
substantial evidence of a known fault? Refer to
Division of Mines and Geology Special
Publication 42.
2. Strong seismic ground shaking?
3. Seismic-related ground failure, including
liquefaction?
4. Landslides?
b. Result in substantial soil erosion or the loss of topsoil?
c. Be located on a geologic unit or soil that is unstable, or
that would become unstable as a result of the project,
and potentially result in on- or off-site landslide, lateral
spreading, subsidence, liquefaction or collapse?
d. Be located on expansive soil, as defined in Table 18-1-
B of the Uniform Building Code (1994), creating
substantial risks to life or property?
e. Have soils incapable of adequately supporting the use
of septic tanks or alternative waste water disposal
system where sewers are not available for the disposal
or waste water?
Settings
Geologic Hazards
Expansive Soils
Expansive soils possess a “shrink-swell” behavior. Shrink-swell is the cyclic change in volume (expansion and
contraction) that occurs in fine-grained clay sediments from the process of wetting and drying. Structural damage may
occur over a long period of time, usually the result of inadequate soil and foundation engineering or the placement of
structures directly on expansive soils. The Health and Safety Element of the Butte County General Plan identifies the
project site as having a “Low” potential of expansive soils.
Soil Erosion
Erosion is the wearing away of soil and rock by processes such as wind and precipitation runoff. Soils containing high
amounts of silt or clay can be easily erodible, while sandy soils are less susceptible. Excessive soil erosion can eventually
lead to damage of building foundations and roadways. Typically, soil erosion potential is reduced once the soil is graded
and covered with gravel, concrete, structures, asphalt, or a vegetative cover. The Health and Safety Element of the Butte
County General Plan identifies the project site as having a “Slight” potential for soil erosion.
Landslides
A landslide is the sliding of a mass of loosened rock and/or soil down a hillside or slope. Some of the natural causes of
this instability are earthquakes, weak soils, erosion, heavy rainfall and fire. Human activities such as poor grading that
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undercuts steep slopes or overloads them will fill; excessive irrigation and removal of vegetation can also contribute to
landslides. Most landslides in Butte County occur on slopes greater than 15 percent, and most new landslides occur in
areas that have experience previous landslides. The areas of highest landslide potential are in the mountainous central area
of the county where well-developed soils overlay impervious bedrock on steep slopes. The remaining areas of Butte
County has moderate to low landslide potential. The areas of lowest landslide potential are the flat lands of the Sacramento
Valley. The Health and Safety Element of the Butte County General Plan identifies the project site as having “Low” to
“No” landslide potential.
Seismic Hazards
Surface Fault Rupture
Seismically induced ground rupture is defined as the physical displacement of surface deposits in response to movement
on the fault place. The magnitude, sense, and nature of fault rupture can vary for different faults or event along different
strands of the same fault. Ground rupture is considered more likely along active faults. The Cleveland Hills fault is the
only fault located within Butte County that has been identified as an active fault pursuant to the Alquist-Priolo Earthquake
Fault Zones Act. This fault was responsible for the 1975 Oroville earthquake, which had a Richter magnitude of 5.7 and
produced surface displacement along approximately 2.2 miles of the fault. Other active and potentially active faults are
located in the region. However, because there are no known active faults underlying or adjacent to the project site, the
likelihood of surface fault rupture is very low and would not be a design consideration.
Ground Shaking
Ground shaking at the project site could occur due to earthquakes on the regions active faults. However, ground motions
attenuate with distance from the causative fault, as well as the local geologic and soil conditions. The Seismic Hazards
Mapping Program of the California Geological Survey categorizes all of Butte County as a “seismic hazard zone” since
the entire County is subject to earthquakes of Modified Mercalli Intensity scale VIII. The Oroville earthquake of 1975 is
the only earthquake of this intensity recorded in Butte County. This earthquake resulted in structural damage, partial
destruction of some buildings, fires and numerous injuries. Though, it is accepted that earthquakes of magnitude 6.0 or
6.5 are possible anywhere in Butte County, the County is generally considered to be an area of low seismic activity.
Liquefaction
Liquefaction is a phenomenon whereby unconsolidated and/or near saturated soils lose cohesion and are converted to a
fluid state as a result of sever vibratory motion. The relatively rapid loss of soil shear strength during strong earthquake
shaking results in the temporary fluid-like behavior of the soil. Soil liquefaction causes ground failure that can damage
roads, pipelines, underground cables, and building with shallow foundations. Liquefaction can occur in areas characterized
by water-saturated, cohesionless, granular materials at depths less than 50 feet. Due to the relatively low potential for
strong ground motions and a general lack of significant deposits of saturated loose soils, such as alluvium, the liquefaction
potential, if any, can be addressed in the design of future structures during the building permit review process.
Seiches
A seiche is a periodic oscillation of a body of water such as a reservoir, river, lake, harbor, or bay resulting from seismic
shaking or other causes such as landslides into a body of water. The period of the oscillation varies depending on the side
of the body of water and may be several minutes to several hours. Depending on the magnitude of the oscillations, seiches
can cause considerable damage to dams, levees and shoreline facilities. Seiches have not been recorded in any of the
reservoirs in Butte County that are within the jurisdiction of the California Division of Dam Safety. However, the potential
for seiches does exist in Butte County, either from landslides or from stronger earthquakes that have been experienced in
historical times.
Impact Discussion:
a1.) Less than significant impact. There are no known active faults underlying, or adjacent to, the project site.
The Cleveland Hill fault is located approximately 30± miles southeast of the project site. Because the nearest
active fault is located a considerable distance from the project site, the likelihood of a surface rupture at the
project site is very low, and would not be a design consideration.
a2.) Less than significant impact. Ground shaking at the project site could occur due to the earthquake potential
of the regions active faults. However, active faults are relatively distant from the project site. As a result,
ground shaking due to seismic events is expected to have low to moderate intensities at the project site.
Future residential development on the resultant parcels would be subject to the California Building Code
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■ Initial Study – TPM14-0005 (Kromer) ■ Page 23 of 45 ■
(CBC). The CBC would provide minimum standards to safeguard life or limb, health, property and public
welfare by regulating the controlling the design, construction, quality of materials, use and occupancy,
location, and maintenance of buildings and structures within Butte County. Among the provisions of the
CBC are building design criteria for earthquake conditions in Butte County. Adherence to the CBC during
building construction would ensure that potential impacts are less than significant.
a3.) Less than significant impact. The project site is identified as being located within an area considered
“Generally Moderate” in respect to liquefaction potential. The California Building Code (CBC) regulates
the construction of structures, which may be constructed with approval of the proposed project. Adherence
to CBC standards at the time of development of the resultant parcels would ensure that any impacts from an
unstable geologic unit or soil are less than significant.
a4.) Less than significant impact. The project area is primarily level with 0-2% slopes. As a result, the landslide
potential for the project site and surrounding area is low. Though, the potential for landslides are generally
low, shallow slope failures can occur in virtually any sloping terrain during construction activities.
Avoidance of potentially sensitive slopes and/or implementation of appropriate engineering and construction
measures at the time of development would avoid or reduce potential impacts of landslides to a less than
significant level.
b.) Less than significant impact. Surface soil erosion and loss of topsoil has the potential to occur from
disturbances associated with the construction-related activities. Construction activities could also result in
soil compaction and wind erosion effects that could adversely affect soils and reduce the revegetation
potential at the construction site and staging areas.
During construction-related activities, specific erosion control and surface water protection methods for each
construction activity would be implemented on the project site. The type and number of measures
implemented would be based upon location-specific attributes (i.e., slope, soil type, weather conditions).
These control and protection measures (“Best Management Practices” or BMPs) are standard in the
construction industry and are commonly used to minimize soil erosion and water quality degradation.
Additionally, future construction activities may be subject to the National Pollutant Discharge Elimination
System (NPDES) General Construction Activities Storm Water permit program if one acre or more of land
is disturbed. Construction activities that result in a land disturbance of less than one acre, but which are part
of a larger common plan of development, also require a permit. This program requires implementation of
erosion control measures during and immediately after construction that are designed to avoid significant
erosion during the construction period. In addition, the project operation would be subject to State Water
Resources Control Board requirements for the preparation and implementation of a Storm Water Pollution
Prevention Plan (SWPPP) to control pollution in stormwater runoff from the project site, including excessive
erosion and sedimentation. The SWPPP, if required, must be obtained prior to any soil disturbance activities.
Implementation of standard erosion control BMP’s during future construction-related activities, together with
adherence to State requirements regarding grading activities, would ensure that potential erosion impacts are
less than significant.
c.) Less than significant impact. Destabilization of natural or constructed slopes could occur as a result of
future construction activities. Excavations, grading, and fill operations associated with providing access to
the resultant parcels and during development could alter existing slope profiles making them unstable as a
result of over-excavation of slope material, steepening of the slope, or increased loading. Standard
engineering design features and construction procedures would be implemented to maintain stable slopes and
excavations during construction, reducing impacts of unstable slopes to a less than significant level.
d.) Less than significant impact. Expansive soils can cause structural damage particularly when concrete
structures are in direct contact with the soils. Appropriate design features to address expansive soils may
include excavation of potentially problematic soils during construction and replacement with engineered
backfill, ground-treatment processes, direction of surface water and drainage away from foundation soils,
and the use of deep foundations such as piers or piles. Implementation of these standard engineering methods
would ensure that impacts associated with expansive soils would remain less than significant.
e.) No impact. Wastewater disposal on the project site would be handled by individual, on-site septic systems. The
applicant completed a pre-application review with Butte County Department of Environmental Health. As part
of the review, an initial septic location on the resultant parcels were evaluated and determined to have adequate
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 24 of 45 ■
soil conditions to allow for future development. Development requiring wastewater disposal is required to
receive a septic permit from Butte County Environmental Health Division to ensure that septic tank design criteria
have been met.
Mitigation Measure: None required.
4.7 Greenhouse Gas Emissions:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Generate greenhouse gas emissions, either directly or
indirectly, that may have a significant impact on the
environment?
b. Conflict with an applicable plan, policy or regulation
adopted for the purpose of reducing the emissions of
greenhouse gases?
Setting:
The earth’s atmosphere naturally contains a number of gases, including (but not limited to) carbon dioxide (CO2), methane
(CH4), and nitrous oxide (N2O), which are collectively referred to as greenhouse gases (GHGs). GHG emissions are
generally numerically depicted (when applicable) as carbon dioxide equivalents (CO2e). CO2e represents CO2 plus the
additional warming potential from CH4 and N2O. The common unit of measurement for carbon dioxide equivalents is in
metric tons (MTCO2e).
These gases trap some amount of solar radiation and the earth’s own radiation, preventing it from passing through earth’s
atmosphere and into space. GHG are vital to life on earth; without them, earth would be an icy planet. For example, CO2
is an element that is essential to the cycle of life. In general, CH4 and N2O have 21 and 310 times the warming potential
of CO2, respectively. Human-made emissions of GHG occur through the combustion of fuels, as well as a variety of other
sources.
Increasing GHG concentrations are believed to be warming the planet. As the average temperature of the earth increase,
weather may be affected, including changes in precipitation patterns, accumulation of snow pack, and intensity and
duration of spring snowmelt. Climate zones may change, affecting the ecology and biological resources of a region. There
may also be changes in fire hazards due to the changes in precipitation and climate zones.
While scientists have established a connection between increasing GHG concentrations and increasing average
temperatures, important scientific questions remain about how much warming would occur, how fast it would occur, and
how the warming would affect the rest of the climate system. At this point, scientific efforts are unable to quantify the
degree to which human activity impacts climate change. The phenomenon is worldwide, yet it is expected that there would
be substantial regional and local variability in climate changes. It is not possible with today’s science to determine the
effects of global climate change in a specific locale, or whether the effect of one aspect of climate change may be
counteracted by another aspect of climate change, or exacerbated by it.
Section 15183.5(b) of Title 14 of the California Code of Regulations states that a GHG Reduction Plan, or a Climate Action
Plan, may be used for tiering and streamlining the analysis of GHG emissions in subsequent CEQA project evaluation
provided that the CAP does the following:
A. Quantify greenhouse gas emissions, both existing and projected over a specified time period, resulting from
activities within a defined geographic area;
B. Establish a level, based on substantial evidence, below which the contribution to greenhouse gas emissions
from activities covered by the plan would not be cumulatively considerable;
C. Identify and analyze the greenhouse gas emissions resulting from specific actions or categories of actions
anticipated within the geographic area;
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D. Specify measures or a group of measures, including performance standards, that substantial evidence
demonstrates, if implemented on a project-by-project basis, would collectively achieve the specified emissions
level;
E. Establish a mechanism to monitor the plan’s progress toward achieving the level and to require amendment if
the plan is not achieving specified levels; and
F. Be adopted in a public process following environmental review.
A 2006 baseline GHG emission inventory was prepared for unincorporated Butte County. The inventory identified the
sources and the amount of GHG emissions produced in the county. Within Butte County, the leading contributors of GHG
emissions are agriculture (43%), transportation (29%), and residential energy (17%).
A Climate Action Plan (CAP) was adopted by Butte County on February 25, 2014. The CAP provides a framework for
the County to reduce GHG emissions while simplifying the review process for new development. Measures and actions
identified in the CAP lay the groundwork to achieve the adopted General Plan goals related to climate change, including
reducing GHG emissions to 1990 levels by 2020.
In an effort to implement the measures of the CAP, a development checklist was created to evaluate a new projects
consistency with the CAP, and to identify which GHG emission reduction measures would be implemented with project
approval. The CAP development checklist identified three reduction measures applicable to the proposed project. These
measures include expansion of renewable energy systems for new residential development by prewiring future
development for photovoltaic systems; reduction of construction equipment idling time; and, installation of electric vehicle
charging outlets in the garage or the exterior of the home (See Attachment A).
Impact Discussion:
a.) Less than significant impact with mitigation incorporated. The proposed project is a minor subdivision that
would contribute to the existing greenhouse gas inventory for Butte County through the creation of parcels
for future residential development. Residential development would generate direct emissions through the
consumption of electricity, natural gas, and propane, as well as from fuel usage for landscaping equipment.
Development would also generate additional vehicle trips to and from the residence. Additionally,
construction activities of future development would also create greenhouse gas emissions, primarily from the
use of heavy equipment.
To reduce the anticipated increase in of GHG emissions that would ultimately be created by the proposed
project, GHG reduction measures from the Butte County Climate Action Plan were identified through CAP
development checklist review. Implementation of the following mitigation measure would ensure the
project’s consistency with the CAP and that impacts from GHG emissions are less than significant.
b.) No Impact. The Butte County General Plan and Butte County Climate Action Plan establish numerous
policies relative to greenhouse gases. The proposed subdivision would not generate greenhouse gas
emissions; however, future development of the resultant parcels would increase GHG emissions, although
on a limited scale. Due to the limited development potential of the project site, the anticipated increase in
emissions would not conflict with the applicable with policies adopted for the purpose of reducing GHG
emissions.
Mitigation Measure #3:
Place a note on a separate document which is to be recorded concurrently with the map or on an additional map sheet
that states: To the extent feasible, the developer shall implement the following measures at the time of development
to offset the anticipated contribution of greenhouse gas emissions from residential development:
Support expansion of renewable energy systems
o Prewire all new residential development to support photovoltaic system installation.
Support efficiency in vehicles and landscaping equipment
o Install electrical vehicle outlets on external walls or in garages in all new residential
development.
Improve fuel efficiency of equipment during construction-related activities
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o Minimize idling time either by shutting equipment off when not in use or reducing the time
of idling to no more than 3 minute.
o Use clean or alternative fuel equipment
Plan Requirements: The note shall be placed on a separate document which is to be recorded concurrently with the
map or on an additional map sheet. This note shall also be placed on all building and site development plans.
Timing: Shall be implemented prior to issuance of building permits for residential development. Construction-related
measures shall be adhered to throughout all grading and construction periods.
Monitoring: The Butte County Department of Development Services and the Public Works Department shall ensure
that the note is placed on a separate document which is to be recorded concurrently with the map or on an additional
map sheet. Planning Division will ensure that future residential development includes the applicable measures during
Building Permit review. Building inspectors shall spot check and shall ensure compliance on-site.
4.8 Hazards and Hazardous Materials:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Create a significant hazard to the public or the
environmental through the routine transport use, or
disposal of hazardous materials?
b. Create a significant hazard to the public or the
environment through reasonably foreseeable upset and
accident conditions involving the release of hazardous
materials into the environment?
c. Emit hazardous emissions or handle hazardous or acutely
hazardous materials, substances, or waste within one-
quarter mile of an existing or proposed schools?
d. Be located on a site which is included on a list of
hazardous materials sites complied pursuant to
Government Code Section 65962.5 and, as a result,
would it create a significant hazard to the public or the
environment?
e. For a project located within an airport land use plan or,
where such a plan has not been adopted, within two
miles of a public airport or public use airport, would the
project result in a safety hazard for people residing or
working in the project area?
f. For a project within the vicinity of a private airstrip,
would the project result in a safety hazard for people
residing or working in the project area?
g. Impair implementation of or physically interfere with an
adopted emergency response plan or emergency
evacuation plan?
h. Expose people or structures to a significant risk or loss,
injury or death involving wildland fires, including
where wildlands are adjacent to urbanized areas or
where residences are intermixed with wildlands?
Settings
Airports
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■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 27 of 45 ■
Air transportation in Butte County is served by a number of private and public airfields and heliports serving general
aviation and agricultural users. There are four major aviation facilities in Butte County that serve the general public.
The Chico Municipal Airport is the nearest general aviation airport to the project site. The airport is located
approximately 2.5 miles northeast from the project site, placing the project site within Airport Land Use Compatibility
Zone D for the airport. The airport is publicly owned and operated. Facilities include a 6,724 foot long and 150 foot
wide runway, and a separate 3,005 long runway, both of which handle nearly 70,000 aircraft takeoffs and landings
each year. The airport has an airport traffic control tower and a limited commuter airline services. The airport is also
a major fire attack aircraft base during area wildfires.
Wildland Fire Conditions
The combination of highly flammable fuel, long dry summers and steep slopes creates a natural hazard of wildland fires
in many areas of Butte County. Wildland fires can result in death, injury, economic losses, and a large public investment
in firefighting efforts. Woodland and other natural vegetation can also be destroyed during wildfires, resulting in the loss
of timber, wildlife habitat, scenic quality, and recreation. Areas in the county that are particularly susceptible to wildland
fires largely contain dense vegetation and steep slopes, which aide in the spread of fire. These areas have been designated
as Fire Hazard Severity Zones by the State Department of Forestry and Fire Protection (Cal Fire), and generally include
the foothill and mountainous regions of Butte County.
Fire protection services for unincorporated Butte County are generally provided by the Butte County Fire Department
(BCFD) and the California Department of Forestry and Fire Protection (CalFire), with CalFire having fiscal responsibility
for preventing and suppressing wildfires. Due to the heightened risk of wildfires and the increased potential for damage
or loss in certain areas of the county, CalFire has designated these areas as State Responsibility Areas (SRA). Development
within SRAs must comply with special building requirements, and are also regulated by Public Resources Code 4290 and
4291, which establish requirements for maintenance of defensible space and vegetation management.
According to the Health and Safety Element of the Butte County General Plan, the project site is not located in a Fire
Hazard Severity Zone due to the project site consisting of level slopes and grassland. The project site is also not located
in the SRA area.
Impact Discussion:
a.) Less than significant impact. Limited quantities of miscellaneous hazardous substances, such as gasoline,
diesel fuel, hydraulic fluid, solvents, oils, etc. would be used to maintain vehicles and motorized equipment
during construction-related activities. Accidental spill of any of these substances could impact water and/or
groundwater quality. Depending on the relative hazard of the material, if a spill were to occur of significant
quantity, the accidental release could pose a hazard to construction workers, the public, as well as the
environment. Construction personal who are experienced in containing accidental releases of hazardous
materials will likely be present to contain and treat affected areas in the event a spill occurs. If a larger spill
were to occur, construction personal would generally be on-hand to contact the appropriate agencies.
It is not anticipated that large quantities of hazardous materials would be permanently stored or used within
the project site. However, if large quantities are stored at the project site, the owner would be required to
obtain a Hazardous Materials Business Plan. It is more likely that only small quantities of publicly-available
hazardous materials (e.g., paint, maintenance supplies) may be routinely used within the project site for
residential or agricultural maintenance and cleaning. However, these materials would not be used in
sufficient strength or quantity to create a substantial risk of fire or explosion, or otherwise pose a substantial
risk to human or environmental health.
b.) Less than significant impact. It’s not anticipated that construction or operation of future residential or
agricultural development would create a significant hazard to the environment or to the public due to the
accidental release of hazardous materials into the environment. Accidental release of hazardous materials
routinely used during construction activities are addressed in section a.), above.
c.) No impact. No existing or proposed schools have been identified within one-quarter mile of the project site.
d.) No impact. A review of regulatory agency databases, which included lists of hazardous materials sites
compiled pursuant to California Government Code Section 65962.5, did not identify contamination site as
being located within, or in the vicinity of, the project site.
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■ Initial Study – TPM14-0005 (Kromer) ■ Page 28 of 45 ■
e.) Less than significant impact. The Chico Municipal Airport is located 2.5 miles northeast from the project site,
placing the project site within the Airport Land Use Compatibility Zone D. Compatibility Zone D for the Chico
Municipal Airport is defined as the outer boundary of the Federal Aviation Regulations (FAR) Part 77 conical
zone limits, subjecting lands to reviews to ensure that objects and other land uses do not affect the navigable
airspace of the airport. Uses prohibited within Zone D include any hazards to the flight of the aircraft such as
physical, visual and electronic forms of interference, and land uses which may cause the attraction of birds to
increase. Conditions to development within Zone D include establishment of an avigation easement dedication
with acknowledgement of airport proximity and review of objects greater than 100 feet in height. Approval of
the proposed project will be subject to implementing the requirements of the Butte County Airport Land Use
Compatibility Plan to ensure airport operations due not affect persons residing on the project site, or that future
land uses on the project site do not adversely affect airport and aircraft operations.
f.) No impact. No known private airstrips have been identified within two miles of the project site. As a result,
no safety hazards associated with airport operations are anticipated to affect people working or residing
within the project site.
g.) No impact. The proposed project does not include any actions that physically interfere with any emergency
response or emergency evacuation plans. Development of the resultant parcels would add a small amount of
trips onto the area roadways; however, area roadways and intersections would continue to operate at an
acceptable level of service. In the event future construction activities require work to be performed in the
roadway, appropriate traffic control plans would be prepared in conjunction with a Butte County
Encroachment Permit.
h.) Less than significant impact. The project site is not located in a Fire Hazard Severity Zone or a State
Responsibility Area. As a result, existing and subsequent development on the resultant parcels, as well as its
residents, would not be exposed to a significant wildland fire risk.
Mitigation Measure: None required.
4.9 Hydrology and Water Quality:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Violate any water quality standards or waste discharge
requirements?
b. Substantially deplete groundwater supplies or interfere
substantially with groundwater recharge such that there
would be a net deficit in aquifer volume or a lowering of
the local groundwater table level (e.g., the production
rate of preexisting nearby wells would drop to a level
which would not support existing land uses or planned
uses for which permits have been granted)?
c. Substantially alter the existing drainage pattern of the
site or area, including through the alteration of the course
of a stream or river, in a manner which would result in
substantial erosion or siltation on- or off-site?
d. Substantially alter the existing drainage pattern of the
site or area, including through the alteration of the course
of a stream or river, or substantially increase the rate or
amount of surface runoff in a manner which would result
in flooding on- or off-site?
e. Create or contribute runoff water which would exceed
the capacity of existing or planned storm water drainage
systems or provide substantial additional sources of
polluted runoff?
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Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
f. Otherwise substantially degrade water quality?
g. Place housing within a 100-year flood hazard area as
mapped by Federal Flood Hazard Boundary, Flood
Insurance Rate Map, or other flood hazard delineation
map?
h. Place within a 100-year flood hazard area structures
which would impede or redirect flood flows?
i. Expose people or structures to a significant risk or loss,
injury, or death involving flooding, including flooding as
a result of the failure of a levee or dam?
j. Inundation by seiche, tsunami, or mudflow?
Setting:
Flooding
Flooding events can result in damage to structures, injury or loss of human and animal life, exposure of waterborne
diseases, and damage to infrastructure. In addition, standing floodwater can destroy agricultural crops, undermine
infrastructure and structural foundations, and contaminate groundwater. The Federal Emergency Management Agency
(FEMA) is responsible for mapping areas subject to flooding during a 100-year flood event (i.e., 1 percent chance of
occurring in a given year). According to floodplain mapping of the project area, the project site is located within the X
zone. The X zone is defined by FEMA as areas of minimal flood hazard from the principal source of flood in the area and
determined to be outside of the 0.2 percent annual chance floodplain.
Inundation Zone
Dam failure is generally a result of structural instability caused by improper design or construction, instability resulting
from seismic shaking, or overtopping and erosion of the dam. Larger dams that are higher than 25 feet or with storage
capacities over 50 acre-feet of water are regulated by the California Dam Safety Act, which is implemented by the
California Department of Water Resources, Division of Safety of Dams (DSD).
The project site is not identified as being located in the inundation zone for any dams regulated by the California Dam
Safety Act.
Impact Discussion:
a.) Less than significant impact. Wastewater disposal for the proposed project would be provided by private, on-
site septic systems. The Butte County Environmental Health Division has performed a preliminary review of
the proposed project, and has indicated that future placement of an on-site septic system for the proposed
parcel would be possible. At the time of development, proposed development would be evaluated, and
compliance with wastewater disposal standards would be insured.
Potential water pollutants may be generated during construction activities associated with build-out of the
resultant parcels, which may include sediment and petroleum based fuels and lubricants. Construction
activities have the potential to temporarily increase the sediment load of stormwater runoff from construction
areas (i.e., disturbing soil at work area, the staging area, access road, etc.). Excess sediment in surface
drainage pathways can alter and degrade the aquatic habitat in nearby surface water channels. In addition, if
construction equipment or workers inadvertently release pollutants such as hydraulic fluid or petroleum to
the surface water, these materials could be entrained by stormwater and discharged into surface water features
causing water quality degradation.
As discussed in Section 4.6 – Geologic Processes, the physical characteristics of the soil at the project site
indicate that susceptibility to erosion is slight. During construction-related activities, specific erosion control
and surface water protection methods for each construction activity would be implemented on the project
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site. The type and number of measures implemented would be based upon location-specific attributes (i.e.,
slope, soil type, weather conditions). These control and protection measures, or BMPs, are standard in the
construction industry and are commonly used to minimize soil erosion and water quality degradation.
Additionally, future construction activities may be subject to the National Pollutant Discharge Elimination
System (NPDES) General Construction Activities Storm Water permit program if one acre or more of land
is disturbed. Construction activities that result in a land disturbance of less than one acre, but which are part
of a larger common plan of development, also require a permit. This program requires implementation of
erosion control measures during and immediately after construction that are designed to avoid significant
erosion during the construction period. Project operations that are under a NPDES permit would also be
subject to State Water Resources Control Board requirements for the preparation and implementation of a
Storm Water Pollution Prevention Plan (SWPPP) to control pollution in stormwater runoff from the project
site.
b.) Less than significant impact. Domestic water services to future residences on the resultant parcels would
be provided by a private, groundwater well. Well production has been determined to be sufficient for the
anticipated uses of the project site by the Butte County Environmental Health Division. New development
requiring a domestic water supply would increase groundwater extraction; however, sufficient groundwater
resources are available in the project area to serve potential development at the site.
The proposed project has the potential to result in a net increase in impervious surfaces on the project site
from the development of new residences. Future residential structures would result in only a minor increase
in impervious surfaces from the construction of concrete foundations and access road surfacing. Thus, the
proposed project would not cause a measureable reduction in surface infiltration or a decrease in deep
percolation to the underlying aquifers.
c.) Less than significant impact. Ground disturbance during construction activities associated with the build-
out of the resultant parcels may alter existing drainage pathways, expose surface soils to become more
susceptible to erosive forces (i.e., overland flow) and/or generate enough increased runoff through
removal/clearing of existing vegetation to increase surface erosion. As discussed in section a.), above,
implementation of erosion control measures or BMPs during construction activities would minimize soil
erosion and water quality degradation.
d.) Less than significant impact. Construction activities associated with build-out of the resultant parcels would
not alter drainage patterns such that they would cause on- or off-site flooding. Some vegetation removal and
soil disturbance would occur during clearing of the building site and access road, resulting in the potential
for increased stormwater runoff. However, implementation of BMPs would minimize the potential for
surface runoff and reduce the potential for flooding.
The minor increase in impervious surface area from build-out of the resultant parcels is not anticipated to be
enough to alter existing drainage patterns or cause offsite flooding. While some increase in stormwater runoff
may be expected due to the reduced absorption rate created from new impervious surfaces on the site, such
as structures, driveways, and hardscape (walkways, patios), future development would be reviewed by the
Butte County Public Works Department to ensure any potential drainage concerns are addressed, and to
ensure no net increase in stormwater runoff leaves the project site.
e.) Less than significant impact. The proposed project is likely to generate a minor increase in runoff from the
future development of the resultant parcels, such as with the construction of new residences or access roads.
However, these improvements are relatively small and located in an area that does not have managed
stormwater drainage systems. Even so, the anticipated minor increase in runoff would likely be negligible
in terms of the capacity of any existing stormwater drainage systems.
f.) No impact. The proposed project would not result in potential surface water pollution beyond the issues
discussed in section a.), above. Therefore, the proposed project would not otherwise degrade water quality
beyond the issues previously addressed.
g.) No impact. The project site is located in the X zone. As a result, any future development on the resultant
parcels would be located outside the 100-year flood zone.
h.) No impact. See discussion 4.19(g) – Hydrology and Water Quality.
i.) No impact. The project site is neither located in a flood hazard zone or a dam inundation zone.
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■ Initial Study – TPM14-0005 (Kromer) ■ Page 31 of 45 ■
j.) No impact. Although located within a seismically-active region, the project site is not located in an area that
would be impacted by a seiche, tsunami, or mudflows.
Mitigation Measure: None required.
4.10 Land Use:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Physically divide an established community?
b. Conflict with an applicable land use plan, policy, or
regulations of an agency with jurisdiction over the
project (including, but not limited to, the general
plan, specific plan, local coastal program, or zoning
ordinance) adopted for the purpose of avoiding or
mitigating an environmental effect?
c. Conflict with any applicable habitat conservation
plan or natural community conservation plan?
Setting:
Butte County General Plan
The General Plan represents the basic community values, ideals and aspirations with respect to land use, development,
transportation, public services, and conservation policy that will govern Butte County through 2030. The land use
element of the general plan designates the land use of areas within the county, and includes a description of the
characteristics and intensity of each land use category. The land use designation for the project site is Very Low
Density Residential.
Butte County Zoning Ordinance
The Zoning Ordinance implements the goals and policies of the Butte County General Plan by regulating the uses of
the land and structures within the County. The zoning designation of the project site and their intended use are as
follows:
Very Low Density Residential - 2.5 (VLDR-2.5)
The purpose of the VLDR zone is to allow for single-family homes and related uses in residential neighborhoods
within the county. Standard for the VLDR zone are intended to preserve and protect the character of existing
neighborhoods and to ensure that new residential neighborhoods provide an appropriate transition from rural to more
developed areas. Permitted residential uses in the VLDR zones include single-family homes, small residential care
homes, second units, animal grazing, on-site agricultural product sales, and private stables. The VLDR zone also
conditionally permits non-residential uses compatible with a residential setting, including public and quasi-public
uses, golf courses, park and recreational facilities, personal services, animal keeping, large residential care homes, and
medical offices and clinics. The minimum permitted parcel size in the VLDR-2.5 zone is 2.5 acres.
Impact Discussion:
a.) No impact. The project site is located on vacant land and is not part of an established community. As a
result, the proposed project will not physically divide an established community.
b.) No impact. The proposed project does not include an amendment to the existing land use designation, or a
change to the existing land uses occurring on the project site. The proposed project would subdivide the
property into additional parcels, with each parcel meeting the minimum parcel size requirement designated
by zoning.
c.) No impact. The Butte Regional Conservation Plan (BRCP) is a joint Habitat Conservation Plan
(HCP)/National Community Conservation Plan (NCCP) that is currently being prepared for the western half
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 32 of 45 ■
of the Butte County, and is scheduled to be completed in 2015. The project site is located within the proposed
plan area of the BRCP. However, as the plan has not been adopted, the proposed project will not conflict,
nor interfere with, the attainment of the goals of the proposed plan.
Mitigation Measure: None required.
4.11 Mineral Resources:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Result in the loss of availability of a known mineral
resource that would be of value to the region and the
residents of the state?
b. Result in the loss of availability of a locally-important
mineral resource recovery site delineated on a local
general plan, specific plan, or other land use plan?
Impact Discussion:
a.) Less than significant impact. There are no known economically viable sources of rock materials in the
immediate vicinity of the project site. No mining operations have occurred on the project site or surrounding
area and the project would not preclude future extraction of available mineral resources. Mineral resource
extraction is not proposed with this project. However, future development on the resultant parcels would use
mineral resources in the construction of structures and access roads. The amount of resources used for the
anticipated development on the resultant parcels is minor and would not result in the loss of its availability.
b.) No impact. The project site is not located in an area currently used for, or known to have, locally-important
mineral resources.
Mitigation Measure: None required.
4.12 Noise:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Exposure of persons to or generation of noise levels in
excess of standards established in the local general plan
or noise ordinance, or applicable standards of other
agencies?
b. Exposure of persons to or generation of excessive
ground borne vibration or ground borne noise levels?
c. A substantial permanent increase in ambient noise
levels in the project vicinity above levels existing
without the project?
d. A substantial temporary or periodic increase in
ambient noise levels in the project vicinity above
levels existing without the project?
e. For a project located within an airport land use plan
or, where such a plan has not been adopted, within
two miles of a public airport or public use airport,
would the project expose people residing or working
in the project area to excessive noise levels?
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 33 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
f. For a project within the vicinity of a private airstrip,
would the project expose people residing or working
in the project area to excessive noise levels?
Setting:
The Health and Safety Element of the Butte County General Plan identifies land use compatibility standards for
exterior community noise for a variety of sensitive land uses. For residential land uses, a maximum exterior noise
level of 60 Ldn/CNEL decibel level is generally identified as being an acceptable noise environment requiring no
special noise insulation or noise abatement features. For an interior noise level standard, the maximum decibel level
is 45 Ldn/CNEL.
The Butte County Noise Control Ordinance provides the county with a means of assessing complaints of alleged noise
violations and to address noise level violations. The ordinance sets forth exterior and interior noise level standards
that are applicable to sensitive areas within Butte County, including residential uses. Among the noise generating
activates subject to the noise ordinance are noise sources associated with construction. Though construction-related
noises are subject to the noise standards of the county, these activities would be exempt if operations occur between
7:00 a.m. to sunset on any day except Saturday, Sunday, or a holiday, or between the hours of 9:00 a.m. and 5:00 p.m.
on Saturday, Sunday, or a holiday; and, provided that machinery is fitted with correctly functioning sound suppression
equipment.
Impact Discussion:
a.) Less than significant impact. Noise levels contributed by the proposed project would include construction
noise during future build-out of the resultant parcels, occupancy of the single-family residence, and agricultural-
related activities. Construction noises associated with development of the resultant parcel would primarily be
from the use of heavy equipment, generators, and power tools. Typical noises contributed by a single-family
dwelling include landscaping equipment, automobiles, power tools, domestic animals, heating and cooling
systems and audio equipment. Agricultural noises may include farm machinery and farm animals.
Construction, residential occupancy, and agricultural noises could be perceptible to surrounding residences and
other sensitive uses, but are not anticipated to result in generation of noises in excess of noise standards
established in the Butte County General Plan due to the projected density of the project site and the surrounding
area, and because construction noises are temporary and would occur during typical daytime hours.
b.) Less than significant impact. The use of blasting and/or pile drivers during construction activities would not
be included as part of the proposed project. The proposed project would involve temporary sources of
groundborne vibration and groundborne noise during construction from the operation of heavy equipment.
Operation of heavy equipment would generate localized groundborne vibration and groundborne noise that
could be perceptible at residences or other sensitive uses in the immediate vicinity of the construction site.
However, since the duration of impact would be brief and would occur during less sensitive daytime hours (i.e.,
between 7:00 a.m. and 7:00 p.m.), the impact from construction-related groundborne vibration and groundborne
noise would be less than significant.
c.) Less than significant impact. The primary contributors to the existing noise environment surrounding the
project site include sounds emanating from residential uses, vehicle traffic along area roadways, and from
naturally occurring noise sources such as wind and rushing waters. The only permanent noise sources that
would be introduced to the existing noise environment by the proposed project would be typical noise levels
contributed by single-family residential including landscaping equipment, automobiles, power tools, domestic
animals, heating and cooling systems, farm machinery, and audio equipment. It’s anticipated that these
introduced sources of noise would likely result in the ambient noise levels within the project site and
surrounding area to increase. However, due to the low ambient noises presently in the surrounding
environment, and the projected density of the proposed parcels and surrounding area, the anticipated increase
in ambient noise levels occur would not be substantial.
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 34 of 45 ■
d.) Less than significant impact. The only temporary or periodic noise sources that would be introduced to the
existing noise environment by the proposed project would be noises associated with construction activities.
Construction activities would require a variety of equipment. During the construction period, noise levels
generated by project construction would vary depending on the particular type, number, and duration of use of
the various types of construction equipment. Though noises generated by heavy equipment would periodically
generate noise levels in excess of exterior noise standards identified in the General Plan, given the small size
of the proposed project, and that construction activities would occur during less sensitive daytime hours,
temporary noise impacts are not considered significant.
e.) No impact. The Chico Municipal Airport is located approximately 2.5 miles northeast from the project site,
and is situated within Airport Land Use Compatibility Zone D for the airport. At this distance, the project site
is located outside the 55 dB CNEL noise level established for the airport. As a result, operational noises from the
airport would not affect residents located on the project site.
f.) No impact. No known private airstrips have been identified within the vicinity of the project site. As a result,
no noise impacts associated with the airport operations are anticipated to affect people working or residing
within the project site.
Mitigation Measure: None required.
4.13 Population and Housing:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Induce substantial population growth in an area, either
directly (for example, by proposing new homes and
businesses) or indirectly (for example, through
extension of roads or other infrastructure)?
b. Displace substantial numbers of existing housing,
necessitating the construction of replacement housing
elsewhere?
c. Displace substantial numbers of people, necessitating
the construction of replacement housing elsewhere?
Setting:
The population for Butte County was estimated to be 220,024 in 2010 and 203,446 in 2000, resulting in a total
population growth of 16,578 during this 10-year period (US Census). The annual average population growth rate in
the county during this period was 0.79 percent. Total housing units in Butte County was approximately 95,835 in
2010, with approximately 8.6 percent of these housing units considered vacant.
The proposed project would result in the creation of one additional parcel that could potentially be developed with a
single-family residence. According to the United States Census Bureau, the average household size of an owner-
occupied housing unit for Butte County is 2.43. Based on the average household size within the county, and the
potential number of housing units that could be constructed on the parcel, the proposed project could add 2 or 3 new
residents to the local population.
Impact Discussion:
a.) Less than significant impact. Subdivision of the project site could facilitate the potential addition of single-
family residential units, which would directly result in growth in available housing and, if occupied, to the
local population. However, housing and population growth with this project are consistent with planned
future land uses and would be minor in scale. Construction activities associated with development of the
residential units would not result in any direct or indirect growth-inducing impacts to the county because
construction activities would be temporary, and construction workers would likely be drawn from the local
and regional work force. Growth in the project area resulting from the project is planned, and is consistent
with the applicable planning policies and zoning ordinance.
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 35 of 45 ■
b.) No impact. See discussion 4.13(a) – Population and Housing. The project site is vacant land. As a result,
the proposed project would not displace any existing housing units.
c.) No impact. See discussion 4.13(a) – Population and Housing. The proposed project would not cause the
displacement of the local population.
Mitigation Measure: None required.
4.14 Public Services:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Would the project result in substantial adverse
physical impacts associated with the provision of
or need for new or physically altered
governmental facilities, the construction of which
could cause significant environmental impacts, in
order to maintain acceptable service ratios,
response times, or other performance objectives
for any of the public services:
1. Fire protection?
2. Police Protection?
3. Schools?
4. Parks?
5. Other public services?
Impact Discussion:
a1.) Less than significant impact. See discussion 4.8 – Hazards and Hazardous Materials. Butte County Code
requires the payment of fire protection impact fees to help offset the impacts that new residential development
has on the fire protection services. Fire protection impact fees would be paid at the time of building permit
issuance for a dwelling unit.
a2.) Less than significant impact. The Butte County Sheriff’s Office provides law enforcement service to the
site. Implementation of the proposed project could increase service calls if additional residential structures
are built. Increased development in rural areas impacts the ability of the Sheriff's Department to adequately
provide services to outlying areas. Although police protection services may need to be increased as a result
of the project, it is anticipated that project implementation would not require any new law enforcement
facilities or the alteration of existing facilities to maintain acceptable performance objectives. The project’s
increase in demand for law enforcement services would be offset through project-related impact fees.
a3.) Less than significant impact. Residential development at the site would result in an incremental demand for
school facilities in the area. The project site is located in the Chico Unified School District. A development
impact fee for school facilities will be assessed at the time of residential development on the resultant parcels
to offset any potential impact to area school facilities.
a4.) Less than significant impact. See discussion 4.15 – Recreation.
a5.) Less than significant impact. The project would result in added need for County services, such as law
enforcement, fire protection, general services, libraries, and roads. Butte County collects various types of
development impact fees to offset the cost and impacts associated with new residential units. These fees vary
depending on the dwelling type, and are collected at the time of development.
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 36 of 45 ■
Mitigation Measure: None required.
4.15 Recreation:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Increase the use of existing neighborhood and
regional parks or other recreational facilities such
that substantial physical deterioration of the facility
would occur or be accelerated?
b. Include recreational facilities or require the
construction or expansion of recreational facilities
which might have an adverse physical effect on the
environment?
Setting
The project site is located within the Chico Recreation and Park District (CARD). The district covers an area of
approximately 208 square miles, and includes the City of Chico, as well as the unincorporated community of Nord. The
district operates and maintains approximately 214 acres of developed parkland and facilities to serve a population of
approximately 104,367 residents. This translates into a level of service of 1.85 acres of parklands for every 1,000 residents.
The total park facilities operated by the district do not include Bidwell Park and parks operated by State and Federal
agencies. No park facilities are located in the vicinity of the project site; however, it’s anticipated that future residents of
the project site would likely use facilities located in the City of Chico, as well as nearby State-operated facilities, to meet
their recreational needs.
Impact Discussion:
a.) Less than significant impact. Increase in the demand for recreational facilities is typically associated with
substantial increases in population. As discussed in Section 4.13 - Population and Housing, the proposed project
may generate growth in the local population, if residential units are constructed on the resultant parcels. Because
housing and population growth in the project area would be minor, the project would not result in a substantial
increase in demand for recreational facilities or adversely affect Butte County park/population standards.
b.) No impact. The proposed project does not include plans for additional recreational facilities nor would it require
expansion of existing recreational facilities. Therefore, the proposed project would not result in any adverse
physical effects on the environment from construction or expansion of recreational facilities.
Mitigation Measure: None required.
4.16 Transportation/Traffic:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Conflict with an applicable plan, ordinance or policy
establishing measures of effectiveness for the
performance of the circulation system, taking into
account all modes of transportation including mass
transit and non-motorized travel and relevant
components of the circulation system, including but
not limited to intersections, streets, highways and
freeways, pedestrian and bicycle paths, and mass
transit?
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 37 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
b. Conflict with an applicable congestion management
program, including, but not limited to level of
service standards and travel demand measures, or
other standards established by the county congestion
management agency for designated roads or
highways?
c. Result in a change in air traffic patterns, including
either an increase in traffic levels or a change in
location that results in substantial safety risks?
d. Substantially increase hazards due to a design feature
(e.g., sharp curves or dangerous intersections) or
incompatible uses (e.g., farm equipment)?
e. Result in inadequate emergency access?
f. Conflict with adopted policies, plans, or programs
regarding public transit, bicycle, or pedestrian
facilities, or otherwise decrease the performance or
safety of such facilities
Setting:
Roadway Network
Regional and local access to the project site is provided by Bell Road (County), Jones Avenue (Private), Santiago
Court (Private) and Ciulla Lane (Private).
Bell Road is an urban collector, County-maintained roadway. Bell Road provides East-West access between Cussick
Avenue and Hamilton-Nord-Cana Highway. The road is approximately 20 to 24 feet in width, with an asphalt surface.
Paved shoulders widths of one-foot are located on both sides of the road.
Jones Avenue is a cul-de-sac (dead end) urban local road, approximately 1,220 feet in length from Bell Road. The
road is privately maintained. The road width is approximately 20 to 22 feet, with no paved shoulders. However,
several feet of clearance is located along the western side of the road. The road surface is paved with asphalt from
Bell Road to Ciulla Lane. From Ciulla Lane to Santiago Court, the road surface is chip-sealed. No designated
turnaround is located at the terminus of the road. However, sufficient area for maneuvering is available.
Santiago Court is a cul-de-sac (dead end) urban local road, approximately 350 feet in length from Jones Avenue. The
road is privately maintained. The road has two travel lanes separated by a landscaped median. Each travel lane is
approximately 10 feet in width, with an asphalt surface. A 50-foot diameter turnaround is located at the terminus of
the road. No signage was identified.
Ciulla Lane is a cul-de-sac (dead end), privately-maintained, local road, approximately 500 feet in length from Jones
Avenue. The road width is approximately 12 to 14 feet, with no paved shoulders. However, several feet of clearance
are available on both sides. The road has an asphalt surface. No turnaround is located at the terminus of the road.
Bicycle and Pedestrian Transportation
Bicycle facilities include bike paths (Class I), bike lanes (Class II), and bike routes (Class III).
Class I Bike paths provide a completely separated facility designed for the exclusive use of bicycles and pedestrians
within minimal cross flows by motorists. Caltrans standards call for Class I two-way bike paths to have 8 feet of
pavement width with 2 foot wide graded shoulders on either side, for a total right-of-way width of 12 feet. Designated
one-way bike paths are allowed 5 feet of minimum pavement width. Class I bike paths must also be at least 5 feet
from the edge of a paved roadway, 8 feet from an obstruction, and meet specified minimum horizontal and vertical
curve requirements for the speeds anticipated.
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 38 of 45 ■
Class II Bike lanes provides restricted on-street right-of-way designated for the exclusive or semi-exclusive use of
bicycles with through travel by motor vehicles or pedestrians prohibited, but with vehicle parking and crossflows by
pedestrians and motorists permitted. Caltrans standards generally require a minimum 4 foot bike lane with 6-inch
white strip separating the roadway from the bike lane. Where raised curbs without permitted parking or designated
marked parking exists, a minimum 5 foot bike lane adjacent to the traffic lane is required. Where parking is permitted,
but unmarked, the 6-inch white stripe separating the traffic lane from the bike lane must be a minimum of 12 feet from
the raised curb.
Class III Bike routes provides a preferred shared route with motorists on the street, or to a more restricted extent, with
pedestrians on sidewalks where designated by signs or permanent markings. The main purpose of designated bike
routes is to provide continuity to the bikeway network by connecting discontinuous segments of Class I and II
bikeways and may also be used to direct bicyclists to a route of higher degree of service or use. Roadways designated
as Class III bike routes should have sufficient width to accommodate motorists, bicyclists, and pedestrians. Other
than a street sign, there are no special markings required for a Class III bike route.
Pedestrian facilities include sidewalks, crosswalks, pedestrian signals, and paved shoulders adjacent to rural roads.
The County of Butte’s Development Standards typically require proposed residential and commercial developments
located in the County’s urban areas to construct curb, gutter, and sidewalk improvements within the County roadways
fronting development. Residential developments located within the Chico Urban Area that have lot sizes greater than
one acre come under a separate rural standard that presently does not require curb, gutter, and sidewalks to be
constructed. Elsewhere sidewalks are presently constructed to County Public Works Standards with a four-foot wide
sidewalk in residential areas and a five-foot wide sidewalk within commercial areas (Butte County Bicycle Plan,
2011).
There are no designated pedestrian or bicycle transportation facilities located near the project site, nor are such
facilities proposed for the project area. Given the lack of existing facilities, pedestrian and bicycle traffic generally
will use the unpaved and paved roadway shoulders, or the paved travel lanes.
Airport
Air transportation in Butte County is served by a number of private and public airfields and heliports serving general
aviation and agricultural users. There are four major aviation facilities in Butte County that serve the general public.
The Chico Municipal Airport is the nearest general aviation airport to the project site. The airport is located
approximately 2.5 miles northeast from the project site, placing the project site within Airport Land Use Compatibility
Zone D for the airport. The airport is publicly owned and operated. Facilities include a 6,724 foot long and 150 foot
wide runway, and a separate 3,005 long runway, both of which handle nearly 70,000 aircraft takeoffs and landings
each year. The airport has an airport traffic control tower and a limited commuter airline services. The airport is also
a major fire attack aircraft base during area wildfires.
Impact Discussion:
a) Less than significant impact. The proposed project has the potential to introduce (4) four single-family
residences, as well as accessory uses to the planned and existing residences, which would generate long-term
changes in traffic volumes. Vehicle traffic for a single-family residence is estimated to be approximately 10
vehicle trips per day (Institute of Transportation Engineers, 1997). Because the scope of the proposed project
is relatively minor and would not result in construction of a substantial amount of residential units, the increase
in traffic levels would not create substantial impacts to operating conditions of the area road network.
Construction activities associated the future development of the resultant parcels has the potential to generate
short-term changes to traffic volumes on the area road network. Daily vehicle trips would be generated with
the arrival and departure of construction workers. Heavy truck trips would be required for hauling equipment
and materials to and from the construction site. Any future construction activities would be small-scale and of
short-duration. As a result, the proposed project would not cause long-term degradation in, or create substantial
impacts to, the operating conditions or level of service on any of the roadways in the project area.
b) Less than significant impact. See discussion 4.16(a) - Transportation/Traffic.
c.) No impact. The Chico Municipal Airport is located approximately 2.5 miles northeast from the project site,
and is situated within Airport Land Use Compatibility Zone D for the airport. Compatibility Zone D for the
Chico Municipal Airport is defined as the outer boundary of the Federal Aviation Regulations (FAR) Part 77 conical
zone limits, subjecting lands to reviews to ensure that objects and other land uses do not affect the navigable airspace
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 39 of 45 ■
of the airport. Uses prohibited within Zone D include any hazards to the flight of the aircraft such as physical,
visual and electronic forms of interference, and land uses which may cause the attraction of birds to increase.
Conditions to development within Zone D include establishment of an avigation easement dedication with
acknowledgement of airport proximity and review of objects greater than 100 feet in height. Approval of the
proposed project will be subject to implementing the requirements of the Butte County Airport Land Use
Compatibility Plan to ensure the project will not result in any changes to air traffic patterns or aircraft safety hazards.
d.) Less than significant impact. The proposed project would not change the configuration (alignment) of area
roadways, and would not introduce types of vehicles that are not already traveling on area roads. However,
construction of access roads or driveways to the resultant parcels may require encroachment improvements to the
frontage road. Future encroachments to a county roadway would be designed in accordance with a Butte County
Public Works Encroachment Permit, which would ensure that any potential safety and compatibility issues are
addressed.
e.) Less than significant impact. Resultant parcels would access Bell Road via a privately-maintained road to be
constructed with approval of the proposed project. The proposed access road would be designed and constructed
to meet all applicable State and local development standards, ensuring that access is adequate to provide emergency
ingress and egress.
f.) Less than significant impact. No existing or proposed bicycle or pedestrians facilities are located on, or in the
vicinity of, the project site. Future development on the resultant parcels would have minor long-term impacts
on alternative transportation facilities due to the limited population growth to the project area. Construction
activities associated with future development may generate short-term disruption to area roadways from an
anticipated increase in traffic levels that may affect alternative transportation uses. However, construction
activities associated with the proposed project would be temporary, and in compliance with a Butte County
Encroachment Permit, which would require traffic control implementation, if needed.
Mitigation Measure: None required.
4.17 Utilities and Service Systems:
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Exceed wastewater treatment requirements of the
applicable Regional Water Quality Control Board?
b. Require or result in the construction of new water or
wastewater treatment facilities or expansion of
existing facilities, the construction of which could
cause significant environmental effects?
c. Require or result in the construction of new storm
water drainage facilities or expansion of existing
facilities, the construction of which could cause
significant environmental effects?
d. Have sufficient water supplies available to serve
the project from existing entitlements and
resources, or are new or expanded entitlements
needed?
e. Result in a determination by the wastewater
treatment provider which serves or may serve the
project that it has adequate capacity to serve the
project’s projected demand in addition to the
provider’s existing commitments?
f. Be served by a landfill with sufficient permitted
capacity to accommodate the project’s solid waste
disposal needs?
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 40 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
g. Comply with federal, state, and local statutes, and
regulations related to solid waste?
Impact Discussion:
a.) No impact. Wastewater disposal for the proposed project would be provided by private, on-site septic systems.
The Butte County Environmental Health Division has performed a preliminary review of the proposed
project, and has indicated that future placement of an on-site septic system for the proposed parcel would be
possible. At the time of development, the proposed development would be evaluated, and compliance with
wastewater disposal standards would be insured. As a result, no wastewater treatment requirements by the
California Regional Water Quality Control Board would be applicable.
b.) No impact. See discussion 4.17(a) – Utilities and Service Systems.
c.) Less than significant impact. No existing on-site storm water drainage facilities are located on the project
site. Prior to recording of the parcel map, a drainage analysis will be performed for the project site that will
detail existing drainage conditions and provide measures that will ensure that no net increase in peak flow
runoff leaves the property. Runoff generated on the property may either be detained or retained on-site and/or
conveyed to the nearest natural drainage channel or publicly maintained facility. Any proposed storm runoff
facilities would be construction to the County’s improvement standards, which will ensure that impacts
created with the creation of new facilities, or expansion of existing facilities, would not cause significant
adverse effects to the environment.
d.) Less than significant impact. Domestic water services to future residences on the resultant parcels would
be provided by a private, groundwater well. Well production has been determined to be sufficient for the
anticipated uses of the project site by the Butte County Environmental Health Division. New development
requiring a domestic water supply would increase groundwater extraction; however, sufficient groundwater
resources are available in the project area to serve the potential development.
e.) No impact. See discussion 4.17(a) – Utilities and Service Systems.
f.) Less than significant impact. Future development of the resultant parcels would result in a minor increase
in the stream of waste being deposited in the Neal Road Landfill. The California Integrated Waste
Management Board estimates that a typical residential household generate 10 to 12 pounds of waste per day
(1.8 to 2.2 tons per year). According to the Butte County Public Works Department, the Neal Road Landfill
is expected to reach maximum holding capacity by the year 2018, and is currently seeking a permit to expand
the landfill so that it can accommodate solid waste to the year 2034. Based on this information, and because
the proposed project would comply with all applicable federal, state, and local statutes and regulations as
they relate to solid waste, adequate permitted landfill capacity exists to accommodate the proposed project.
g.) Less than significant impact. See discussion 4.17(f) – Utilities and Service Systems.
Mitigation Measure: None required.
4.18 Mandatory Findings of Significance:
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 41 of 45 ■
Would the proposal: Potentially
Significant
Impact
Less Than
Significant
with
Mitigation
Incorporated
Less Than
Significant
Impact
No
Impact
Reviewed
Under
Previous
Document
a. Have the potential to substantially degrade the
quality of the environment, substantially reduce the
habitat of a fish or wildlife species, cause a fish or
wildlife population to drop below self-sustaining
levels, threaten to eliminate a plant or animal
community, reduce the number or restrict the range
of a rare or endangered plant or animal or eliminate
important examples of the major periods of
California history or prehistory?
b. Have impacts that are individually limited, but
cumulatively considerable? (“Cumulatively
considerable” means that the incremental effects of a
project are considerable when viewed in connection
with the effects of past projects, the effects of other
current projects and the effects of probable future
projects)?
c. Does the project have environmental effects which
will cause substantial adverse effects on human
beings, either directly or indirectly?
Impact Discussion:
a.) Less than significant impact with mitigation incorporated. With the implementation of mitigation measures
included in this Initial Study, the proposed project would not degrade the quality of the environment; result in
an adverse impact on fish, wildlife, or plant species including special status species, or prehistoric or historic
cultural resources. Prehistoric or historic cultural resources would not be adversely affected because no
archeological or historic resources are known to exist in the project area and project implementation includes
following appropriate procedures for avoiding or preserving artifacts or human remains should they be
uncovered during project excavation.
b.) Less than significant impact with mitigation incorporated. This project has the potential to contribute impacts
that are individually limited, but cumulatively considerable with respect to Air Quality, Biological, Cultural
Resources, and Greenhouse Gas Emissions. Cumulative impacts to these areas would be mitigated due to the
inclusion of the Mitigation Measures listed below, as itemized under Section 5 – Mitigation Measures and
Monitoring Requirements.
Past, current, and probable future projects in the vicinity of the project site were reviewed to determine if any
additional cumulative impacts may occur with the approval of this project. A two mile radius was used in
determining cumulative impacts. No additional cumulative impacts were discovered.
c.) Less than significant impact with mitigation incorporated. There have been no impacts discovered through
the review of this application demonstrating that there would be substantial adverse effects on human beings
either directly or indirectly. However, the proposed project has the potential to cause both temporary and future
impacts to the area by project-related impacts relating to air, biological, and cultural resources. With
implementation of mitigation measures included in this Initial Study, these impacts would be effectively
mitigated to a less than significant level.
5.0 Mitigation Measures and Monitoring Requirements
Mitigation Measure #1
Place a note on a separate document which is to be recorded concurrently with the map or on an additional map sheet
that states: “Dust generated by the development activities shall be kept to a minimum and retained on-site. Follow the
air quality control measures listed below:
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 42 of 45 ■
Control Dust
a. During clearing, grading, earth moving, excavation, or transportation of cut or fill materials, water trucks or
sprinkler systems are to be used to prevent dust from leaving the site and to create a crust after each day’s activities
cease.
b. During construction, water trucks or sprinkler systems shall be used to keep all areas of vehicle movement damp
enough to prevent dust from leaving the site. At a minimum, this would include wetting down such areas in the
later morning and after work is completed for the day and whenever wind exceeds 15 miles per hour.
c. Soil stockpiled for more than two days shall be covered, kept moist, or treated with soil binders to prevent dust
generation.
d. On-site construction vehicles shall be limited to a speed of 15 mph on unpaved roads.
e. Haul vehicles transporting soil into or out of the property shall be covered.
f. Existing roads and streets adjacent to the project shall be cleaned at least once per day if dirt or mud from the
project site has been tracked onto these roadways, unless conditions warrant a greater frequency.
g. Other measures may be required as determined appropriate by the BCAQMD or Department of Public Works in
order to control dust.
Post Contact Information
h. Post a publicly visible sign with the telephone number and person to contact regarding dust complaints. This
person shall respond and take corrective action within 24 hours. The telephone number of the Butte County Air
Quality Management District ((530) 332-9400) shall be visible to ensure compliance with BCAQMD Rule 200
& 205 (Nuisance and Fugitive Dust Emissions).
Other Construction Practices
i. Maintain all construction equipment in proper tune according to manufacturer’s specification.
j. Where feasible, give preference to utilizing the following equipment:
Electric equipment
Substitute gasoline-powered for diesel-powered equipment
Alternatively fueled construction equipment on site such as compressed natural gas (CNG), liquid natural
gas (LNG), propane, or biodiesel.
Equipment that has Caterpillar p
re-chamber diesel engines, as practical.
Diesel construction equipment meeting the CARB’s 1996 or newer certification standard for off-road heavy-
duty diesel engines.
k. Construction workers shall park in designated parking area(s) to help reduce dust emissions.”
Plan Requirements: The note shall be placed on a separate document which is to be recorded concurrently with the
map or on an additional map sheet. This note shall also be placed on all building and site development plans.
Timing: Requirements of the condition shall be adhered to throughout all grading and construction periods.
Monitoring: The Butte County Department of Development Services and the Public Works Department shall ensure
that the note is placed on a separate document which is to be recorded concurrently with the map or on an additional
map sheet. Building inspectors shall spot check and shall ensure compliance on-site. Butte County Air Pollution
Control District inspectors shall respond to nuisance complaints.
Mitigation Measure #2:
Place a note on a separate document which is to be recorded concurrently with the Parcel Map or on an additional map
sheet stating: “Should grading activities reveal the presence of cultural resources (i.e., artifact concentrations, including
arrowheads and other stone tools or chipping debris, cans, glass, etc.; structural remains; human skeletal remains),
work within 50 feet of the find shall cease immediately until a qualified professional archaeologist can be consulted
to evaluate the resource and implement appropriate mitigation procedures. Should human skeletal remains be
encountered, State law requires immediate notification of the County Coroner. Should the County Coroner determine
that such resources are in an archaeological context, the Native American Heritage Commission in Sacramento shall
be notified immediately, pursuant to State law, to arrange for Native American participation in determining the
disposition of such remains.
Plan Requirements: This note shall be placed on a separate document which is to be recorded concurrently with the
parcel map or on an additional map sheet and on all building and site development plans.
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 43 of 45 ■
Timing: This measure shall be implemented during site preparation and construction.
Monitoring: The Department of Development Services shall ensure that the note is placed on a separate document
which is to be recorded concurrently with the map or on an additional map sheet. The Department of Development
Services shall ensure that the note is placed on all building and site development plans. Should cultural resources be
discovered, the landowner/developer shall notify the Planning Division and a professional archaeologist. The
Planning Division shall coordinate with the landowner/developer and appropriate authorities to avoid damage to
cultural resources and determine appropriate action.
Mitigation Measure #3:
Place a note on a separate document which is to be recorded concurrently with the map or on an additional map sheet
that states: To the extent feasible, the developer shall implement the following measures at the time of development
to offset the anticipated contribution of greenhouse gas emissions from residential development:
Support expansion of renewable energy systems
o Prewire all new residential development to support photovoltaic system installation.
Support efficiency in vehicles and landscaping equipment
o Install electrical vehicle outlets on external walls or in garages in all new residential
development.
Improve fuel efficiency of equipment during construction-related activities
o Minimize idling time either by shutting equipment off when not in use or reducing the time
of idling to no more than 3 minute.
o Use clean or alternative fuel equipment
Plan Requirements: The note shall be placed on a separate document which is to be recorded concurrently with the
map or on an additional map sheet. This note shall also be placed on all building and site development plans.
Timing: Shall be implemented prior to issuance of building permits for residential development. Construction-related
measures shall be adhered to throughout all grading and construction periods.
Monitoring: The Butte County Department of Development Services and the Public Works Department shall ensure
that the note is placed on a separate document which is to be recorded concurrently with the map or on an additional
map sheet. Planning Division will ensure that future residential development includes the applicable measures during
Building Permit review. Building inspectors shall spot check and shall ensure compliance on-site.
6.0 Environmental Reference Material
1. Butte County Association of Governments. Butte Regional Conservation Plan, First Administrative Draft.
Accessed December 27, 2013. (available at http://www.buttehcp.com/BRCP-Documents/1st-Admin-Draft-
BRCP/index.html)
2. Butte County Association of Governments. Butte Regional Transit (B-Line). 2008. Bus Basics. Available at
www.blinetransit.com/. Accessed on August 26, 2014.
3. Butte County Climate Action Plan. Adopted February 25, 2014. (available at ButteCAP.net)
4. Butte County 2030 General Plan. Environmental Impact Report. Oroville, CA. April 8, 2010. (Available at
http://www.buttegeneralplan.net/products/2010-08-30_FEIR/default.asp.)
5. Butte County General Plan 2030. Oroville, CA. October 26, 2010. (available at
http://www.buttegeneralplan.net/products/2010-10-26_GP2030/Butte_County_General_Plan.pdf)
6. Butte County 2030 General Plan. Settings and Trends Report. Public Draft. Oroville, CA. August 2, 2007.
(Available at http://www.buttegeneralplan.net/products/SettingandTrends/default.asp.)
7. Butte County. Housing Element of the Butte County General Plan (2010-2030). 2010.
Project Name: Robert & Leeanne Kromer Tentative Parcel Map, File # TPM14-0005
■ Butte County Department of Development Services ■
■ Initial Study – TPM14-0005 (Kromer) ■ Page 44 of 45 ■
8. Butte County Noise Control Ordinance (Ordinance No. 4053). Adopted on March 26, 2013. (Available at
http://www.buttecounty.net/Development%20Services/PLANNING%20DIVISION/Noise%20Ordinance.aspx)
9. Butte County Zoning Ordinance. Adopted on November 6, 2012. (Available at
http://www.buttegeneralplan.net/
10. Butte County. Resolution 10-150. Resolution of the board of supervisors of the County of Butte, state of
California, making findings of fact in support of Butte County General Plan 2030 and its associated
environmental impact report, rejecting alternatives, adopting a mitigation monitoring and reporting plan, and
adopting a statement of overriding considerations. Adopted October 26, 2010.
11. Butte County. Section III, Seismic and Geologic Hazards, Health and Safety Element of the Butte County
General Plan (2010-2030). 2010.
12. Butte County Planning Department. Butte County GIS Data. May 2013.
13. Butte County Public Works Department. 2011 Butte County Bicycle Plan. June 14, 2011.
14. Butte County Air Quality Management District. CEQA Air Quality Handbook – Guidelines for Assessing Air
Quality Impacts for Projects Subject to CEQA Review. January 2008.
15. Butte Local Agency Formation Commission (LAFCO). Chico Recreation and Park District Municipal Service
Review. April 2, 2009.
16. California Department of Conservation. Fault-Rupture Hazard Zones in California. Altquist-Priolo Earthquake
Fault Zoning Act with Index to Earthquake Fault Zone Maps. Special Publication 42. Interim Revision. 2007.
17. California Department of Conservation, Division of Land Resource Protection. A Guide to the Farmland
Mapping and Monitoring Program. 2004.
18. Department of Toxic Substance Control. 2009. Envirostor Database. Accessed on August 25, 2014.
http://www.envirostor.dtsc.ca.gov/public.
19. Institute of Transportation Engineers. Trip Generation Manual, 6th Edition – Volume 1 of 3. 1997.
20. U.S. Census Bureau. Annual Estimates of the Resident Population – 2012 Population Estimates for Butte
County, California. March 5, 2013.
21. U.S. Census Bureau. Profile of General Population and Housing Characteristics – 2010. Butte County,
California. March 5, 2013.