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Yolo Groundwater Sustainability Plan

GSP DRAFT Chapter 2 - The Basin Setting

The YSGA is requesting feedback from the public on Draft Chapter 2 - the Basin Setting of our Groundwater Sustainability Plan (GSP).

Feedback on the Draft Chapter 2 can be provided to the YSGA by completing this survey.

We will be soliciting public input on the Basin Setting Chapter of our GSP until April 12, 2021. The Basin Setting Chapter provides information about the hydrogeologic conceptual model, current and historical groundwater conditions, the Yolo Subbasin water budget, and description of the six subbasin management areas.

Questions, comments, concerns, and general feedback can also be provided via e-mail at:

Basin Setting Appendix A - Water Budget

Basin Setting Appendix B - Model Documentation


GSP DRAFT Chapter 1 - The Introduction

Draft Chapter 1 of the GSP can viewed for information purposes. be The public comment period for Draft Chapter 1 has closed. Comments have been incorporated. Click HERE for the current version of DRAFT Chapter 1 of the Yolo Subbasin GSP.  


 GSP Process

At the March 2018 YSGA Board meeting, the Board adopted Resolution 2018-1 formalizing the initiation of developing the Yolo Subbasin Groundwater Sustainability Plan (GSP).  Yolo Subbasin beneficial users and interested parties are encouraged to sign up for YSGA updates and to check this website often for meetings and workshops related to the development of the GSP.

The YSGA’s formal notice of intent is also available on DWR’s SGMA portal.  Please check back here often for updates on the planning process.

Please read the Yolo Subbasin GSP Components Schematic and memos below to learn more about our Work Plan, Budget, and Schedule for developing the Yolo Subbasin GSP.

1_Water Budget Memo

2_Hydrogeologic Conceptual Model Memo

3_Stakeholder Communication and Engagement Memo

4_Groundwater Monitoring and Reporting Memo

5_Surface Water and Groundwater Modeling Memo

6_Sustainable Management Criteria Memo

Read more about what is required to be in a GSP in DWR’s GSP Emergency Regulations Guide.