Groundwater Sustainability Annual Report

The Annual Report provides an update on groundwater conditions in Solano County and the Solano Subbasin, including a summary of estimated water use and groundwater extraction in the Subbasin, in accordance with SGMA GSP annual reporting requirements. GSAs submit an Annual Report each April 1st. The Solano County and Subbasin Groundwater Sustainability Annual Report for the 2025 water year was submitted on April 1, 2026, to the Department of Water Resources.

2026 Annual report Cover Page

    View a snapshot of the Solano Subbasin water conditions in the 2025 The State of the Subbasin Infographic.

     

     

     

     

     

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