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Merced Groundwater Subbasin

Sustainable Groundwater Management Act (SGMA)


The Merced Groundwater Subbasin is one of 21 basins in the State of California identified by the California Department of Water Resources as critically overdrafted and one of 48 basins considered high priority. Consistent with the requirements of the Sustainable Groundwater Management Act (SGMA), water management and land management agencies in Merced Subbasin have formed three Groundwater Sustainability Agencies (GSAs): the Merced Irrigation-Urban Groundwater Sustainability Agency, the Merced Subbasin Groundwater Sustainability Agency, and the Turner Island Water District Groundwater Sustainability Agency. The three GSAs are collaborating on developing one Groundwater Sustainability Plan for the entire Merced Groundwater Subbasin by January 2020. To develop the Plan, the GSAs will review groundwater conditions and identify means to ensure the long-term sustainability of the Merced Groundwater Subbasin.

Merced subbasin aerial

Public Outreach & Engagement

As part of developing the Groundwater Sustainability Plan, the Groundwater Sustainability Agencies will inform and involve interested and affected individuals and organizations (stakeholders) and the general public. 

The Groundwater Sustainability Agencies for the Merced Groundwater Subbasin are seeking volunteers to participate on the Stakeholder Committee. Ideal candidates will have a demonstrated commitment to community service and civic leadership, prior experience participating constructively on similar task forces or advisory committees, and an understanding of water issues. Applications are due Feb 12, 2018.

On January 11, 2018 the Boards of the three GSAs in the Merced Subbasin held a joint workshop to receive an update on plans to develop a Groundwater Sustainability Plan for the Merced Subbasin by January 2020. A link to the workshop presentation is below.

This website will be updated as information becomes available.