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Santa Rosa Plain Groundwater Workshop Dec. 9


Santa Rosa Plain Groundwater Workshop Dec. 9

Workshop Slated to Inform Well Owners in Santa Rosa Plain of New Groundwater Act

A workshop will be held at the Finley Community Center at 6 p.m. Wednesday to inform well owners and others interested in California’s new groundwater law about how the law will be implemented in Sonoma County. Wednesday’s event will focus on groundwater conditions in the Santa Rosa Plain, and is the final in a series of workshops held in the three groundwater basins immediately affected by California’s Sustainable Groundwater Management Act (SGMA): Santa Rosa Plain, Sonoma Valley and Petaluma Valley.

The workshop will include a presentation on SGMA, groundwater conditions in the Santa Rosa Plain basin, and how the new act will be implemented locally.

The first requirement of SGMA is the creation of Groundwater Sustainability Agencies (GSAs), which are regulatory bodies responsible for developing and implementing plans to sustainably manage groundwater. The entities that are eligible to serve as GSAs (see chart below) are hosting the workshops and representatives will make presentations, respond to questions about SGMA and consider community input.


Santa Rosa Plain Basin
Dec. 9, 6-8 p.m.
Finley Community Center
2060 West College Ave., Santa Rosa


SGMA was passed into California law in fall 2014. The Act requires that State-designated medium and high priority basins form a GSA(s) and develop a groundwater sustainability plan(s). Sonoma County has three medium priority basins: Petaluma Valley, Santa Rosa Plain and Sonoma Valley; these basins will have to comply with SGMA.

The Sonoma Valley has a groundwater management plan and Basin Advisory Panel and is in its 8th year of implementation. The Santa Rosa Plain recently adopted a groundwater management plan, has a Basin Advisory Panel, and is in the initial stages of implementing that plan. These existing groundwater management plans will remain in effect until new groundwater sustainability plans are developed. The Petaluma Valley has embarked on a study with the U.S. Geological Service to understand its basin. These programs will be incorporated as much as possible when developing the Groundwater Sustainability Plan.

As a first step to implement SGMA, the County of Sonoma and the Water Agency hired the Consensus Building Institute to conduct a stakeholder assessment regarding GSA formation. The report with was released at the beginning of September and is available at

Staff of the GSA eligible entities have been meeting to understand SGMA requirements and explore options for groundwater sustainability agency formation. Basin Advisory Panels (in Sonoma Valley and Santa Rosa Plain) are learning about SGMA and will be providing input on reaching out to stakeholders and sharing ideas on how eligible entities can work together.


A website, includes up-to-date information on SGMA and a place to enroll in an information list.