Yucaipa Sustainable Groundwater Management Agency

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The Yucaipa Groundwater Sustainability Agency (Yucaipa GSA) was formed in 2017 in response to the Sustainable Groundwater Management Act (SGMA) signed into law by Governor Jerry Brown on September 16, 2014. The Yucaipa GSA includes eight local and regional member agencies: South Mesa Water Company, South Mountain Water Company, Western Heights Water Company, Yucaipa Valley Water District, City of Redlands, City of Yucaipa, San Bernardino Valley Municipal Water District, and San Gorgonio Pass Water Agency.

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The goal of the Yucaipa GSA is to manage the local groundwater resource in the Yucaipa Subbasin for sustainable, long-term beneficial use. The Yucaipa Subbasin is the principal alluvial aquifer that provides the majority of municipal water served to residents and businesses in portions of the cities of Yucaipa, Calimesa and Redlands.

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Groundwater in the Yucaipa Subbasin also supports private well users and environmental users such as the riparian habitat along San Timoteo Creek. The Yucaipa GSA prepared a Groundwater Sustainability Plan (GSP) for the Yucaipa Subbasin that establishes the framework for achieving the goal of sustainably managing the local groundwater resource in the Yucaipa Subbasin.