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The Sustainable Groundwater Management Act

The Sustainable Groundwater Management Act (SGMA) of 2014 is legislation that provides a framework for sustainable management of groundwater supplies by local authorities, with a limited role for state intervention when necessary to protect the resource. Under the SGMA, local agencies must form groundwater sustainability agencies (GSAs) by 2017 and create groundwater sustainability plans (GSPs) for high and medium priority basins by 2020 or 2022.

Groundwater Management

The Sustainable Groundwater Management Act (SGMA) in Santa Cruz County

Santa Cruz County has three basins that will be regulated under SGMA:

The Santa Margarita Basin forms a roughly triangular area between Felton, Ben Lomond, and Scotts Valley. This Basin provides drinking water for the Scotts Valley and San Lorenzo Valley Water Districts, over a dozen small water systems, and around 1100 parcels served by private wells. Additionally, the groundwater table influences the surface water in the San Lorenzo River, a primary drinking water source for the city of Santa Cruz and a home to endangered species.

The Mid-County Groundwater Basin encompasses the area East of the Santa Margarita basin and includes Live Oak, Soquel, Aptos, and Capitola. It provides water to the Soquel Creek and Central Water districts, the City of Santa Cruz, over 20 small water systems, over 1900 parcels served by private wells. It also provides habitat for endangered species and water for agriculture. This basin is in critical overdraft.

The Pajaro Basin is to the East of Mid-County ending on the South side of the Pajaro River in Monterey County. The basin provides water to the City of Watsonville, numerous private parcels, the thriving agricultural industry, and endangered species. This basin is in critical overdraft.