Sustainable Groundwater Management Act

In 2014, Governor Brown signed into law the Sustainable Groundwater Management Act, also known as SGMA. The Act took effect in 2015. It requires for the first time in state history that groundwater resources be sustainably managed by local agencies through the formation of Groundwater Sustainability Agencies (GSAs) in basin that are deemed high-priority or medium-priority by the Department of Water Resources. In such basins, GSAs are required to develop and implement Groundwater Sustainability Plans. These plans must quantify basin characteristics and supplies, and must establish management actions and projects to achieve basin sustainability within 20 years of implementation. SGMA imposes many new monitoring and reporting requirements, and other procedural and substantive mandates related to groundwater management.

Riverside-Arlington Subbasin
On April 19, 2017 Western's Board of Directors held a public hearing and voted to become the GSA over the portion of the Riverside-Arlington Subbasin that is not adjudicated and had been designated as high-priority by the Department of Water Resources (DWR). Western submitted this request to DWR and on August 18, 2017 and, after the required 90 day period, Western was deemed the GSA over this area. 

In January 2019, DWR released the Sustainable Groundwater Management Act 2018 Basin Prioritization report. This report outlines the process involved with reassessing the priority of the groundwater basins in California following the 2016 basin boundary modifications. Through this process, the Riverside-Arlington Basin was designated as very low-priority, and therefore not requiring a GSP. However, Western believes in good basin management has made the decision to continue the process of meeting with stakeholders and creating a plan.

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To help with the creation of the Arlington Subbasin GSP, DWR has awarded Western $130,000 in grant funding from the Proposition 1 Sustainable Groundwater Planning Grant Program.

Over the next four years, Western staff will work with members of the public and other stakeholders in the area to develop the GSP.

Notice of First Stakeholder Meeting

Monday, April 1, 2019
5:30 p.m.
Western Municipal Water District
14205 Meridian Parkway
Riverside, CA 92518

Agency Contact: Karly Gaynor
kgaynor@wmwd.com
951-571-7212

All stakeholder meetings are open to the public. We welcome all participation in planning for the sustainability of the Arlington Basin. 

Meeting Agenda 
Meeting Presentation