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 administrator and an advisory committee.
Meeting Calendar
Email Updates
Find Your Basin
To determine your basin of residence, click here and type your address into the search bar at the top left of the page
Materiales en Español
Estamos trabajando para proporcionar tantos materiales en español como sea posible
Petaluma Valley groundwater basin land use and crop type map (click to view larger)
Recent News
The heart of the Sustainable Groundwater Management Act (SGMA) is the Groundwater Sustainability Plan (GSP). The GSP will help our communities determine if our groundwater basins are being sustainable managed, and if not, figure out how to achieve sustainability for the long haul. The GSAs recently completed a first draft of the first section of each GSP, Introduction and Basin Setting. We invite your general feedback via the link below.
Monthly Email Updates
Find out what’s happening with groundwater activities in Sonoma County by reading the latest email update. Visit the “Email Updates” page to read updates from past months.
“Management and use of groundwater in a manner that can be maintained during the planning and implementation horizon without causing undesirable results.”
The Petaluma Valley GSA will be tracking six main sustainability indicators:
Lowering Groundwater Levels
Seawater Intrusion
Reduction of Storage
Land Subsidence
Degraded Groundwater Quality
Surface Water Depletion
For more information about groundwater, visit our Understanding Groundwater page or read our Groundwater Primer.
