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"* ' 1' ~ *" COUNTY OF BUTTE, ,.STATE OF CALIF4RNlA
L'Q.UK~.*~ Resolufion No. 91- 78
RESOLUTION ESTABLISHING AND MODIFYING
WELL CONSTRUCTION AND DESTRUCTION STANDARDS
WHEREAS, the Butte County Board of Supervisors has adopted
the standards set forth in Bulletin 74-81 Water Well Standards,
State of California; and
WHEREAS, it is necessary to modify said standards to meet
local requirements and conditions; and
NOW, THEREFORE, BE IT RESOLVED, by the Butte County Board of
Supervisors as follows:
Section I. Exemptions and Special Standards.
The general standards set forth in Bulletin 74-81
Water Wells Standards, State of California, and those in its
appendices, are intended to apply to the construction,
reconstruction and destruction of wells throughout the County of
Butte. However, if under certain circumstances, the Health
Officer determines that protection of ground water quality
requires more stringent measures, it may be necessary to
substitute other measures which will provide protection equal to
these standards.
If the Health Officer finds that compliance with
any of the requirements prescribed herein is impractical for a
particular location because of unusual conditions and would
result in construction of an unsatisfactory well, he may
prescribe alternative requirements equal to these standards in
term of protection obtained.
In locations where existing geologic and/or
ground water conditions require standards more restrictive than
those contained herein, or in addition to them, the Health
Officer may require such special standards.
Section II. Well Location.
(A) All water wells shall be located an adequate
horizontal distance from potential sources of contamination and
pollution and shall conform to the following minimum horizontal
separation distance in Table I.
TABLE I
MINIMUM HORIZONTAL SEPARATION DISTANCES
OF WELLS FROM SOURCES OF SEWAGE CONTAMINATION
Public water Individual
Facility Supply Well Well
Septic Tank, Sewer
or Privy 50 feet 50 feet
Sewage Leach Field 100 feet 100 feet
Cesspool or Seepage Pit 150 feet 150 feet**
Animal or Fowl Enclosure 100 feet 100 feet
* Where the parcel on which a replacement well is to be located
was created before April 4, 1974, if such wells cannot be
installed one hundred feet (100') from a leach field they shall
be installed as far as possible from leach fields, but in no case
less than fifty feet (50'). In such case, annular seal depth may
have to be increased to provide adequate protection
** No seepage pit shall be allowed on any parcel or lot created
on or after January 20, 1987.
Section III.
Within identified areas where ground water
contains minerals or other contamination in excess of those
allowed by the California State Safe Drinking Water Act (Chapter
7, Part I, Division 5}, the Health Officer may require special
well sealing depths below the surface or special strata sealing.
Sealing shall be in accordance with established hydrologic
information utilized for an area standards or shall be in
accordance with information and recommendations provided by a
registered hydrologic engineer or geologist employed at the well
applicant's expense.
The Health Officer shall maintain and make
available maps indicating those areas known to contain excessive
mineral or other contaminants.
PASSED AND ADOPTED by the Butte County Board of
Supervisors this 25th day of June , 1991, by the
following vote:
AYES: Supervisors h9cInturf, Houx, Picl.aughlin, Fulton and Chair Dolan
NOES : None
ABSENT: None
NOT VOTING: None
yyANE OLAlV, mohair or the
Butte County Board of Supervisors
ATTEST:
WILLIAM RANDOLPH
Chief Administrative Officer
and Clerk of the Board
By