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

Over the past two years, we have written a groundwater sustainability plan (GSP). After feedback during a 90 day public comment period, we have now posted the following revised documents:

Revised GSP with feedback from public comment period (red line version) (clean version)

Appendices for the Revised GSP with feedback from public comment period below:
Appendix 1
Appendix 2 A-C
Appendix 2 B
Appendix 2 C-E
Appendix 2 D-E
Appendix 2 F
Appendix 2 F-A
Appendix 2 F-B
Appendix 2 F-C
Appendix 2 F-D
Appendix 2 F-E
Appendix 3
Appendix 3 C
Appendix 4
Appendix 5
Appendix 6 A-C
Appendix 6 D Groundwater Model Report
Appendix 6 D Groundwater Model Report Appendices
Appendix 6 D Groundwater Model Report Draft
Appendix 6 D Groundwater Model Report Figures
Chapter 2 Figures
Chapter 3 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.

**Please see event calendar for all previous year meeting dates and corresponding documents**