Quarterly Newsletter
Started in 2023, the Quarterly Newsletter provides news and information related to the Sonoma County Groundwater Agencies in Petaluma, Santa Rosa and Sonoma Valley. This newsletter is published in February, May, August and November and is available in English and Spanish.
Prior to 2023, monthly Email Updates were provided. Access the archive of those updates from 2015-2022.
Quarterly Newsletter Archive
2026 Quarterly Newsletter
Q2 June 2026 – English
Q2 June 2026 – Spanish
Q1 Mar. 2026 – English
Q1 Mar. 2026 – Spanish
2025 Quarterly Newsletter
2024 Quarterly Newsletters
Featured Articles
Voluntary Groundwater Level Monitoring in Santa Rosa Plain
A voluntary groundwater data collection program launched by the Santa Rosa Plain GSA has yielded its first set of results thanks to the participation of our community members across the basin! Groundwater Level Monitoring Program Level Up! is a voluntary well...
Santa Rosa Plain Groundwater Sustainability Plan Draft Periodic Evaluation Available for Review
Public Comment Period July 13 – August 17, 2026 The Santa Rosa Plain Groundwater Sustainability Agency is currently conducting a Periodic Evaluation of the Groundwater Sustainability Plan (GSP), as required by the State of California under the Sustainable Groundwater...
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 recycled water, and applying an ecological philosophy to landscaping all to...
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 actively stepping up to preserve groundwater. Prior to the schoolyard...
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 appropriate amount of water to winegrapes to conserve as much...
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, significantly reducing its water demand. The Martin Farms HOA community...
Sonoma County GSAs Launch New Online Well Aware Toolkit to Support Groundwater Sustainability
The Sonoma County Groundwater Sustainability Agencies (GSAs) are proud to announce the launch of the Well Aware Toolkit, a new online resource designed to help well owners and groundwater users make informed, sustainable water management decisions. Funded by a grant...
Local Farmers Participate in Interactive ‘From Ground to Field: Know Your Water, Know Your Use’ Workshop
On a sunny and cool June afternoon, an eager group of 40+ people made up of local Sonoma County farmers and local agricultural organization representatives gathered at an orchard site for the workshop “From Ground to Field: Know Your Water, Know Your Use.” Hosted by...
Level Up! well monitoring day made better with friends and neighbors
On a recent Saturday in late April an interested and concerned group of well users gathered to help with the water level measurement of one neighbor’s well and learn more about the state of the Petaluma Valley groundwater basin. Sebastian Bertsch, Petaluma Valley GSA...
Earth Day 2025: Growing a Sustainable Groundwater Supply
Each year, we welcome the rainy season to nourish our gardens. But when the rain fades, we rely on the water from the tap to keep them green and thriving. In Sonoma County, many turn to groundwater as their primary source once the skies dry up. Groundwater forms as...