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

The South American Groundwater Subbasin is North of the Cosumnes River and includes that portion of OHWD that lies between the Cosumnes River and Grantline Road.

For information about the South American Subbasin Groundwater Sustainability Plan development visit

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


AG Res/ Vulnerable Well Owner

Special Workshop

May 25, 2021 /6:30 -8 p.m.

Optional Q&ASession 8:00 8:30 PM

Online: Register in advance:

After registering, you will receive a confirmation email

containing information about joining the meeting.