Protecting groundwater today ensures we have it for tomorrow

Learn more about your individual Groundwater Sustainability Agencies (GSAs)

As required by the State of California’s Sustainable Groundwater Management Act, three new GSAs were created to manage groundwater in Sonoma County. They are working to protect our groundwater resources and make sure our use of groundwater is sustainable.

Sonoma Valley Groundwater Sustainability Agency

Petaluma Valley Groundwater Sustainability Agency

Santa Rosa Plain Groundwater Sustainability Agency

Together, we can ensure our families have safe and reliable water

Everyone is affected by groundwater in some way! It’s what makes our county beautiful and everyone should want to preserve it.

What is a GSA?

Groundwater Sustainability Agencies (GSAs) are public agencies formed to sustainably manage groundwater in local groundwater basins.

What is a Groundwater Sustainability Plan?

A GSP is a 20-year plan to ensure the sustainable use of groundwater within a groundwater basin. As required by state law, the GSAs submitted the locally-developed GSPs by January 31, 2022. The three GSPs were among the few approved statewide by the California Department of Water Resources.

What is the goal of the GSP?

The goal of the GSP is to establish a standard for sustainability of groundwater management and use, and to determine how the basin will achieve this standard.

Groundwater Stats

43 k

Around 43,000 people in the three basins rely solely on groundwater for drinking and other basic needs

21.8 k+

+21,800 acres of crops and vines combined depend on groundwater for irrigation in the three basin

10.1 B

Estimated 10.1 billion gallons annually for the three basins came from groundwater