The Forebay Aquifer Subbasin stretches from Gonzales to Greenfield, overlapping with the Arroyo Seco Management Area.
The Forebay Aquifer Subbasin Committee meets quarterly on the fourth Monday of the month at 1 p.m. (January, April, July, October). Get meeting information.
Key Documents:
- 2022 Groundwater Sustainability Plan
- Appendices
- The Groundwater Sustainability Plan (GSP) adopted on Jan. 13, 2022, by Resolution 2022-02
- The GSP was submitted to the Department of Water Resources (DWR) on Jan. 14, 2022. View the status on the SGMA website.
A GSP 5-Year Evaluation under California’s Sustainable Groundwater Management Act (SGMA) is a periodic review conducted by Groundwater Sustainability Agencies to assess the effectiveness and progress of their groundwater management efforts.
- Sustainability Strategy Report: SVBGSA Round 2 Sustainable Groundwater Management Grant (PDF)
- Forebay Aquifer Subbasin HCM Update: Data, Methods, and Findings (PDF)
- Forebay Subbasin Water Year 2025 Annual Report (PDF)
- Forebay Subbasin Water Year 2024 Annual Report (PDF)
- Forebay Subbasin Water Year 2023 Annual Report (PDF)
- Forebay Subbasin Water Year 2022 Annual Report (PDF)
- Forebay Subbasin Water Year 2021 Annual Report (PDF)