Omochumne - Hartnell Water District
Servicing the Community of the Cosumnes River

The Cosumnes Basin is located in the southern part of Sacramento County south of the Cosumnes River to the Sacramento County Line.  It also includes some westerly portions of Amador County.  It consists of 7 Groundwater Sustainability Agencies.

For more information please visit:

Or attend the upcoming public workshop. 

Wilton Public Workshop

Thurs., Mar. 28, 6:00-8:00 pm
Location: Wilton Community Center
9717 Colony Rd, Wilton, CA

Fact Sheet about the Sustainable Groundwater Management Act and its implementation in the Cosumnes Basin. 

Link to California Department of Water Resources information page on the Sustainable Groundwater Management Act