The Petaluma Valley Groundwater Sustainability Agency (GSA) is a public agency formed to sustainably manage groundwater in the Petaluma Valley groundwater basin. The agency was formed in June 2017 and has a Board of Directors, an Advisory Committee and an Administrator.
News and Information
Agendas & Meeting Calendar
Find out when and where the Board of Directors and the Advisory Committee are meeting next.
Groundwater Sustainability Plan
Take a look at the final 20-year plan for groundwater sustainability in the Petaluma Valley subbasin!
GUIDE
Find your local groundwater basin and review and update your water use information on the GUIDE page.
Groundwater Sustainability Fee
Learn more about the recently adopted fee and find answers to frequently asked questions.
News
For more updates about Projects and Programs visit the GSA Activities page
Petaluma Valley Groundwater Sustainability Plan Draft Periodic Evaluation Available for Review
The Petaluma Valley Groundwater Sustainability Agency is currently conducting a Periodic Evaluation of the Groundwater Sustainability Plan (GSP), as required by the State of California under the...
Leading by Example: Water Sustainability at Sonoma State University
A Well Aware Case Study Sustainability as a Core Practice Sonoma State University (SSU) is focused on campus sustainability including working to modernize water distribution systems, utilizing...
From Lawn to Learning Landscape: La Tercera’s Water-Wise Schoolyard
A Well Aware Case Study Lawn Conversion to Climate-Appropriate Landscaping In Petaluma, La Tercera Elementary School (La Tercera)’s recent schoolyard transformation shows how institutions are...
Data-Driven Irrigation Helps Sonoma Vineyard Conserve Groundwater
A Well Aware Case Study Vineyard Management at Vadasz Family Vineyard Tyler Klick from Redwood Empire Vineyard Management (REVM) is taking a data-focused approach to analyze vine stress to apply the...
From Lifeless Lawn to Rain Garden: HOA Saves Water through Community Redesign
A Well Aware Case Study Conversion of Lawn to Rain Gardens and Communal Space The Martin Farms HOA in Petaluma took on the challenge to convert their irrigated lawn into a community rain garden,...
Voluntary Groundwater Level and Seawater Intrusion Monitoring in Petaluma Valley
Two voluntary groundwater data programs set in motion by the Petaluma Valley GSA have yielded their first set of results thanks to the participation of our community members across Petaluma Valley...
Three community programs for building groundwater sustainability!
LEVEL UP! voluntary groundwater well monitoring program. Learn more.
FLOW SMART voluntary well flow-metering program. Learn more.
WELL AWARE tools for building local groundwater sustainability Learn more.
Groundwater Sustainability Plans Approved
On January 26, 2023, the California Department of Water Resources announced its approval of the Groundwater Sustainability Plan. This 20-year plan establishes a standard for sustainability of groundwater management and provides a plan for managing groundwater over a 20-year period. Click here to review the GSP.





