Welcome to the Solano Subbasin Groundwater Sustainability Plan

The Sustainable Groundwater Management Act (SGMA) established a robust framework for the sustainable management of groundwater resources in California. SGMA requires Groundwater Sustainability Agencies (GSAs) to develop, implement, and enforce a Groundwater Sustainability Plan (GSP) for groundwater basins or subbasins that are medium or high priority. The Solano Subbasin is a medium priority subbasin, subject to SGMA.

On January 18, 2024, the California Department of Water Resources (DWR) approved the Solano Subbasin Groundwater Sustainability Plan (GSP). Read DWR’s statement of findings regarding the approval of the Solano Subbasin GSP under SGMA.

The GSP provides a detailed roadmap for the Solano Subbasin to maintain long-term groundwater sustainability, and went into effect when it was submitted to DWR on January 31, 2022. Opportunities for comments, including a public meeting, were posted on the Solano Subbasin GSP website. The GSP was the product of significant collaboration amongst various water management entities in the Subbasin, including the five Groundwater Sustainability Agencies comprising the Solano Subbasin GSA Collaborative, who worked together to fulfill the requirements of SGMA.

Please subscribe to the Solano GSP email list if you wish to receive periodic updates and announcements.

Want to learn more about groundwater in the Solano Subbasin?

Check out the Groundwater Guide

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