Description The Chowchilla Subbasin exists within the larger San Joaquin Valley Groundwater basin, as described in the California Department of Water Resources Bulletin 118. The County of Madera is the exclusive GSA for the portion of the Chowchilla Subbasin in the unincorporated area of the County, and not otherwise covered by another public agency. Other GSAs in the Chowchilla Basin include Chowchilla Water District, Triangle T Water District and Merced County.
Groundwater Sustainability Plan
Chowchilla GSP April 2022 Annual Report Final
Chowchilla GSP Revision Response to DWR (1/24/2022)
Chowchilla GSP Determination Press Release 1/28/2022
Annual Report and Appendices for the GSP – due April 2021
Annual Report and Appendices – due April 2020
Chowchilla Subbasin GSA Response to GSP Comment Letter.
Revised GSP with feedback from public comment period (red line version) (clean version) (public comments)
July 2022 Revised Chowchilla GSP
Chowchilla GSP Revised July 2022 Cover Letter
Chowchilla GSP Revised July 2022 Matrix Deficiencies and Revisions
1. Chowchilla_GSP_Edits_2022_Tracked_Changes
2. Appendix 1 A to F Chow GSP Update
3. Appendix 2 Plan Area & Basin Setting
4a. Appendix 3 Sustainable Management Criteria
4b. Appendix 3 Sustainable Management Criteria
6. Appendix 5 & 6 Plan Implementation and References & Technical Studies
10. Technical Memorandum Chow GSP Update
11. Appendix A Chow GSP Update
12. Appendix B Chow GSP Update
13. Appendix C Chow GSP Update
14. Appendix D Chow GSP Update
15. Appendix E Chow GSP Update
Resolution Adopting 2022 Chowchilla Amended GSP
2020 January Chowchilla GSP
Final GSP and Appendices: Chowchilla GSP
List of Comments
Chapter 2 Figures
Chapter 3 Figures
Appendix 1
Appendix 2 A-B
Appendix 2 C a-d
Appendix 2 C.e
Appendix 2 D-E
Appendix 2 F.a-e
Appendix 3 A-D
Appendix 4
Appendix 5
Appendix 6 A-C
Appendix 6 D Groundwater Model Documentation
Appendix 6 D Groundwater Model Report Figures
The end of public comment period for the Chowchilla GSP was November 5, 2019.
2019 Meeting Dates for the Chowchilla Subbasin
February 7, 2019 Madera & Chowchilla Subbasin Joint Meeting, 5:30 – 7:30 p.m. Frank Bergon Senior Center Agenda. Flyer in English. Flyer in Spanish. Minutes.
March 27, 2019 Chowchilla GSP Advisory Committee, 2-5 p.m. at Portuguese Hall in Chowchilla. Presentation.
May 29, 2019 Chowchilla GSP Advisory Committee, 10-12 noon at Portuguese Hall in Chowchilla. Presentation.
July 31, 2019 Chowchilla GSP Advisory Committee, 10-12 noon at Portuguese Hall in Chowchilla. Presentation.
October 23, 2019 Chowchilla GSP Advisory Committee, 1-3 p.m. at Chowchilla Water District. Presentation.
November 20, 2019 Chowchilla GSP Advisory Committee, 2 p.m. at Chowchilla Water District. Presentation.
2021 Meeting Dates for the Chowchilla Subbasin
March 17, 2021 Chowchilla Subbasin GSP Advisory Committee, 10:00am via Zoom Meeting. Agenda. Presentation. Proposal for Report.
Groundwater Sustainability Plan
Annual Report 2021 Annual Meeting Agenda, Presentation and Report
Annual Report 2020 for the GSP and Appendices
Chowchilla Subbasin GSA Response to GSP Comment Letter.
Revised GSP with feedback from public comment period (red line version) (clean version) (public comments)
Final GSP and Appendices:
2022 Meeting Dates for the Chowchilla Subbasin
January 14, 2022 Chowchilla Subbasin GSP Advisory Committee, 1:30pm via Zoom Meeting. Presentation. Agenda. 3/17/2021 Minutes
March 23, 2022 Chowchilla Subbasin GSP Advisory Committee, 1:30pm via Zoom Meeting.
Chowchilla Subbasin 2022 GSP Annual Report 3.23.2022 Chowchilla Subbasin GSP Revisions 3.23.2022
June 23, 2022 Chowchilla Subbasin GSP Advisory Committee, 10:00am via Zoom Meeting. Chow_GSP_Advisory_Committee_Domestic_Well_MOU_6.23.2022
July 6, 2022 Chowchilla Subbasin GSP Advisory Committee
Chow_GSP_Advisory_Committee_GSPrevisions_20220706_Draft3_DE_Mods
September 13, 2022 Chowchilla Subbasin Allocation BOS Presentation Chowchilla Subbasin Allocation
**Please see event calendar for all previous year meeting dates and corresponding documents**