The Santa Rosa Plain Groundwater Sustainability Agency (GSA) is a public agency formed to sustainably manage groundwater in the Santa Rosa Plain groundwater basin. The agency was formed in June 2017 and has a Board of Directors, an administrator and an advisory committee.

Agendas & Meeting Calendar

Find out when and where the Board of Directors and the Advisory Committee are meeting next
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Groundwater Sustainability Plan

Take a look at our twenty year plan for groundwater sustainability

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
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Materiales en Español

Estamos trabajando para proporcionar tantos materiales en español como sea posible

Request for Proposals for Community Engagement Campaign

Date of Issue:  April 20, 2020

Due: 2:00 p.m. May 22, 2020

Due to the COVID-19 crises, proposals may be submitted electronically by emailing Ann.DuBay@scwa.ca.gov by 2 p.m., Friday, May 22.

The Petaluma Valley, Santa Rosa Plain and Sonoma Valley Groundwater Sustainability Agencies are soliciting proposals from consulting firms and individuals for research, development and implementation of a community engagement campaign targeted at rural well owners in the Petaluma Valley, Sonoma Valley and Sana Rosa Plain groundwater basins.

The work includes public opinion research and analysis; community engagement campaign development and execution; and feasibility analyses of potential future revenue sources.

This community engagement project is funded through the Sustainable Groundwater Management Grant Program’s Proposition 68 Planning Grant.

May 8, 2020 revised Request for Proposals, with responses to questions (LINK)

April 20, 2020 Request For Proposals (LINK)

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.

Latest Update

Santa Rosa Plain groundwater basin land use and crop type map (click to view larger)

What is the Sustainable Groundwater Management Act?
The Sustainable Groundwater Management Act (SGMA) requires that California groundwater basins identified as high or medium priority establish a Groundwater Sustainability Agency by June 30, 2017, and develop a plan for sustainable management by January 31, 2022. If the local GSAs fail to follow the timeline, then the State Water Resources Control Board will step in and intervene in local groundwater management. SGMA defines sustainable management as:

“Management and use of groundwater in a manner that can be maintained during the planning and implementation horizon without causing undesirable results.”

The Santa Rosa Plain 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.
Groundwater Sustainability Plan Development Timeline