Groundwater Sustainability Annual Report
Annual Report
The Annual Report provides an update on groundwater conditions in Solano County and the Solan Subbasin, with a summary of estimated water use and groundwater extractions in the Solano Subbasin in accordance with the SGMA requirements for GSP annual reporting. GSAs submit an Annual Report each April 1st. The Solano County and Subbasin Groundwater Sustainability Annual Report for the 2023 water year was submitted on April 1, 2024 to the Department of Water Resources.
- Groundwater Sustainability Annual Report – Water Year 2023
- Groundwater Sustainability Annual Report – Water Year 2022
- Groundwater Sustainability Annual Report – Water Year 2021
View a snapshot of the Solano Subbasin water conditions in the 2023 The State of the Subbasin Infographic.

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Clicking on the link above will take you to an interactive Solano Subbasin and GSA Boundaries map.
Contact
Solano Groundwater Sustainability Agency
810 Vaca Valley Parkway, Vacaville, CA 95688
Tel: 707.451.6090 Fax: 707.451.6099