Chowchilla Subbasin

On April 25, 2025, the State Water Resources Control Board (State Water Board) released a Staff Assessment of the 2025 revised Chowchilla Subbasin groundwater sustainability plan for public comment. The purpose of the Staff Assessment is to inform interested parties and the State Water Board as the Board considers referring the Chowchilla Groundwater Subbasin back to the Department of Water Resources for continued state evaluation and assessment consistent with Chapter 10 of the Sustainable Groundwater Management Act (SGMA). State Water Board staff is recommending the Board return the Chowchilla Subbasin to the Department of Water Resources' jurisdiction.

If you are interested in submitting a written comment regarding the Staff Assessment or staff's recommendation, please email SGMA-Chowchilla@waterboards.ca.gov and use the subject line: "Comments - Chowchilla Subbasin". The deadline for written comments on the Staff Assessment for the Chowchilla Subbasin is 12:00 noon on Friday, May 23, 2025.

Important Dates

State Water Board Meeting – June 3, 2025

At the Tuesday, June 3, 2025, State Water Board meeting, the Board will consider adopting a resolution to return the Chowchilla Subbasin back to the Department of Water Resources' jurisdiction. The agenda will be available at least 10 days before the Board meeting and will be posted on the Board Meeting Calendar. The agenda will provide more information on how to participate.

This Board meeting agenda item is subject to change. The State Water Board will send a notification to the SGMA Groundwater Management email list if the agenda item is postponed. Sign up to receive updates at bit.ly/SWRCB-email-subscriptions (under State Water Board General Interests).

Chowchilla Subbasin Map
Chowchilla Subbasin Map

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