Petaluma Valley Groundwater Basin

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Petaluma Valley Groundwater Sustainability Agency (GSA)

The Petaluma Valley Groundwater Sustainability Agency (GSA) is a public agency formed to sustainably manage groundwater in the Petaluma Valley groundwater basin. The agency has a governing board, an administrator, a plan manager, and an advisory committee.

The Petaluma Valley GSA is governed by a five-member board:

Petaluma Valley GSA Board of Directors

Chairman David Rabbitt County of Sonoma
Vice-Chairman Bruce Abelli-Amen Sonoma Resource Conservation District
Director Susan Gorin Sonoma County Water Agency
Director Mike Healy City of Petaluma
Director Carolyn Wasem North Bay Water District
Alternate James Gore County of Sonoma and Sonoma County Water Agency
Alternate TBD Sonoma Resource Conservation District
Alternate Dan St. John City of Petaluma
Alternate Mike Sangiacomo North Bay Water District

The Board meets at 4 p.m. on the fourth Thursday of every other month, unless otherwise noted. Meeting dates through the end of 2018 are: August 31, 2017 (moved to the fifth Thursday, due to staff’s extenuating circumstances); October 26, 2017; January 25, 2018 (moved to January to avoid Christmas holiday); March 22, 2018; May 24, 2018; July 26, 2018; September 27, 2018; November 29, 2018 (moved to 5th Thursday to avoid Thanksgiving holiday)

The regular meeting location is the Petaluma Community Center, 320 N. McDowell Blvd., Petaluma.

Advisory Committee

The purpose of the advisory committee is to provide input and recommendations to the Agency Board on groundwater sustainability plan development, implementation and policies. The intent of the committee is to provide community perspective and participation in the Agency. The composition of the Advisory Committee is intended to represent the beneficial uses and users of groundwater identified in the Sustainable Groundwater Management Act.

Advisory Committee terms will be two-years.

Contracted Staff

Sonoma Resource Conservation District interim executive director Valerie Minton serves as the administrator, through a contract with the Petaluma Valley GSA. The administrator oversees scheduling and staffing board and advisory committee meetings, the budget, contracts and day-to-day functioning of the GSA. To contact Valerie Minton, email

Jay Jasperse, chief engineer and groundwater manager for the Sonoma County Water Agency, serves as plan manager. Through a contract with the GSA, the Water Agency provides technical services to develop the Groundwater Sustainability Plan. The Water Agency also provides grant writing and outreach and communication services for the GSA. To contact the plan manager, email For questions on outreach and communications, contact or 524-8378.

2017 Public Meetings

Petaluma Valley Groundwater Sustainability Agency Board Meeting
October 26, 2017, 4:00 p.m.
Location: Petaluma Community Center
320 N McDowell Blvd, Petaluma

Petaluma Valley Groundwater Sustainability Agency Board Meeting
August 31, 2017, 4:00 p.m.
Location: Petaluma Community Center
320 N McDowell Blvd, Petaluma

June 22, 2017, 5:30pm
Location: Petaluma Community Center – 320 N McDowell Blvd, Petaluma
Public hearings are scheduled to consider designating three local agencies to be responsible for ensuring groundwater is available now and into the future. The meetings will also include the election of the GSA officers, administration of the GSAs, and the advisory committee process. The hearings will be held on June 1 for the Santa Rosa Plain basin; June 8 for the Sonoma Valley basin; and June 22 for Petaluma Valley basin.

March 23, 2017
A final round of community meetings on GSA formation were held in March and April of 2017. The meetings included a brief overview of SGMA requirements, followed by a description of the recommended governance structure of the proposed new Groundwater Sustainability Agencies (GSAs) in that basin.


2016 Public Meetings

August 17, 2017
Public Workshops were held in the summer of 2016 for each basin. The focus of the workshops was on receiving input from the public on the formation of Groundwater Sustainability Agencies (GSA).  GSA-eligible agencies have agreed conceptually on one GSA and one Groundwater Sustainability Plan (GSP) per basin.


2015 Meetings

November 9, 2015
In November and December of 2015, public workshops were held in Petaluma Valley, Santa Rosa Plain and Sonoma Valley to review the new law, why it’s needed, how it affects Sonoma County, and to discuss the formation of local Groundwater Sustainability Agencies. Below is the workshop agenda, plus meeting summaries and presentations.


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