Fresno County Management Areas A/B


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Welcome to the Fresno County Management Area A and Management Area B, located within the Delta-Mendota Subbasin, Groundwater Sustainability Agency website. Approved by the Board of Supervisors, on May 2, 2017, to provide sustainable groundwater management and to serve as the exclusive GSA in those portions of the Delta-Mendota Subbasin. This website is dedicated to providing information and resources related to the Sustainable Groundwater Management Act (SGMA), passed in 2014. Our goal is to keep groundwater users and other interested parties informed and to provide an opportunity to get involved in the development of the Groundwater Sustainability Plan (GSP), pursuant to State Legislation, with the ultimate goal of achieving sustainable groundwater management.

The Groundwater Sustainability Plan is now available for public review. Effective October 7, 2019 for a 60-day review period.

Comments are requested by December 6, 2019 and can be emailed to:



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