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Home My WebLink AboutEmail from Christina Buck - Basin Boundary Modification Outreach Letter Menchaca, Clarissa F'rom: Butte County Department of Water& Resource Conservation <bcwater buttecounty.net> Sent: Wednesday,July 18, 2018 :00 FM To: Menchaca, Clarissa Subject: SGMA, Basin Boundary Modification-Butte Basin r / /r^, i'A NOW,✓�; l / / i ✓i% r arrr'i WATER$RESOURCE CONSERVATION Dear Interested Stakeholder, Below is a letter describing Butte County's intent to submit an application for a Basin Boundary Modification affect ng the Fina, West Butte and East Butte subbasins. The appllication deadline for submission to the Department of Water Resources is July 31, 2118. This proposed boundary modification gill be considered by the Butte County Board of Supervisors at 9:50, a.m.. at their meeting on July 24, 2018. The letter contains more information. Tease do not hesitate to contact me if you have any questions. Thank you, Christina Christina R. Buck, Ph.D. Assistant Director Crept.of Water and Resource Conservation Butte County 3o8 Nelson Avenue oroville,CA 95965-3302 Off:530.552,359") Ceil: 530.871.9948 chuckbuttecounty.net t Butte County Department of Water& Resource Conservation 1 308 Nelson Avenue, Oroville, CA 95965 Unsubscribe cmenchaca@buttecounty.net Update Profile I About our service provider Sent by bcwater@buttecounty.net 2 Water and Resource Conservation Paul Gosselin, Director I; 308 Nelson Avenue ( T: 530.538.4343 buttecounty.net/waterresourceconservation aunty Oroville, California 95965 F: 530.538.3807 bcwater@buttecounty.net wa x a KSOURa CO aZERVAMN July 18, 2018 RE: Update on Butte County Groundwater Sustainability Agency's Intent to Submit a Basin Boundary Modification Affecting the Vina,West Butte,and East Butte Subbasins Dear Interested Stakeholder, On June 12, 2018 the Butte County Board of Supervisors adopted a resolution (fro. 18-089) authorizing our Department to submit a basin boundary modification (BBM)application to the Department of Water Resources (DWR). The Board authorized three proposed modifications: 1)Moving the southern boundary of Vina south to include the City of Chico and non-agricultural areas into Vina, 2) Expanding Wyandotte Creek subbasin to the west to fully include the City of Oroville, and 3) Clean up to the Sacramento River boundary along the western boundaries of Vina and West Butte subbasins to align it with the County line rather than the river. These modifications are shown in attached Figure 1.The original deadline for submission of applications was June 30, 2018 but has since been extended to July 31, 2018. Since that time,the Feather River Districts(Western Canal Water District, Richvale Irrigation District, Biggs West Gridley Water District, and Butte Water District) proposed a different subbasin boundary modification that includes an alternate southern boundary for Vina and the consolidation of portions of the West Butte and East Butte subbasins (see Figure 2). This would result in the creation of a new"Butte subbasin"that would replace the West Butte and East Butte subbasins. This proposal is consistent with Butte County's original proposal to expand the Wyandotte Creek subbasin and other neighboring Groundwater Sustainability Agency (GSA) proposals that affect these subbasins. The only direct conflict is with Butte County's original Vina modification proposal. Our Department has coordinated with the Feather River Districts on the logistics of reconciling the two proposals. Although this newest BBM proposal came out late in the process given discussions that have been occurring in the region for the past several months, it has several advantages. This modification reduces the number of subbasins from four down to three in Butte County. This change provides greater efficiency and will reduce cost for Butte County and other GSRs, both for long-term governance of groundwater in these subbasins and for development and implementation of Groundwater Sustainability Plans (GSP). The major, contiguous groundwater dependent areas would be in one subbasin under this proposal. This would afford greater efficiency in communications and coordination with groundwater dependent communities and stakeholders and increased efficiencies for potential implementation of future projects and actions within these areas. This modification also places the City of Chico solely in theVina subbasin,includingtheir wastewater treatment plant, which underthe original Vina proposal remained in the West Butte subbasin. In addition,Western Canal Water District would be solely in the newly created "Butte subbasin,"instead of being split by Butte Creek and located in the West Butte and East Butte subbasins. This change would allow these agencies to participate in the development and implementation of a single GSP in each of their respective subbasins. Importantly,the proposed governance structure for the Vina subbasin would be affected by this BBM proposal. The current draft governance structure accommodates this modification and therefore would only require development of an additional Management Area in the Durham area and the addition of Durham Irrigation District(DID)to the Vina GSA board. DID supports joining the Vina JPA and the other Vina GSAs are preliminarily amenable to these potential changes. For more information on the draft Vina governance structure, visit http://www.buttecounty.net/waterresourceconservation/Sustainab]eGroundwaterManagementAct/ButteCou ntySubbasins/vina. The purpose of this letter is to notify interested stakeholders that Butte County is working toward submitting a BBM request to DWR in coordination with the Feather River Districts and other GSAs to modify the Vina, West Butte, and East Butte subbasins. As shown in Figure 2, the proposed modification would create a new "Butte subbasin" by consolidating large portions of the West Butte and East Butte subbasins. The "Butte subbasin" would include County GSA areas (including the M&T Ranch), RD 2106, RD 1004,the Feather River Districts,the City of Biggs,the City of Gridley and small portions of Glenn County GSA and Colusa Groundwater Authority. The southern boundary would mostly align with the Butte-Sutter County line. As a result of these modifications,the Vina subbasin expands to the south to include Butte County GSA areas and DID. As in the original Vina modification, Butte County is coordinating with neighboring GSAs in subbasins bounded by the Sacramento River where the River also serves as a county boundary between Tehama and Butte Counties and Butte and Glenn Counties. Affected subbasins include the Corning, Colusa,Vina,and West Butte subbasins. In these areas, the subbasin boundary will be slightly modified to align with existing County boundaries. This addresses inconsistencies in the current mapping(existing shapefiles), but does not result in a material change to the current basin boundary along the Sacramento River. This modification would be submitted as part of the same application as the"Butte subbasin" proposal. Butte County is interested in receiving feedback from local agencies and landowners in the Vina, West Butte, and East Butte subbasins concerning this subbasin modification. County staff will bring the BBM proposal before the Butte County Board of Supervisors for consideration on July 24,2018 at 25 County Center Drive,Oroville,CA 95965 during a timed item at 9:50 a.m. Additionally,formal comments can be sent via email to Christina Buck at cbuck@buttecounty.net or mailed to 308 Nelson Avenue,Oroville,CA 95965(attn.:Christina Buck). Afterluly 31, a 30-day comment period through DWR's BBM portal will begin. Information on the Basin Boundary Modification process is also available on our website, http://www.buttecounty.net/waterresourceconservation/SustainableGroundwaterManagementAct/ButteCou ntyBasinBoundaryModifications. For questions or additional information on this Basin Boundary Modification, please contact Christina Buck at (530)552-3593 or cbuck@buttecounty.net. Sincerely, C,j�,_4 Christina Buck,Assistant Director Butte County Department of Water and Resource Conservation Figure 1. Originally proposed basin boundary modifications by Butte County affecting the Vina,West Butte, East Butte and Wyandotte Creek subbasins in Butte County. Note:Tehama County Flood and Water Conservation District is submitting a BBM to change the northern boundary of Vina to the Tehama-Butte County line. Yuba County Water Agency is submitting a BBM to adjust the southern boundary of Wyandotte Creek to move Ramirez Water District into North Yuba. 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