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.

Featured Articles

Construction of Nine New Groundwater Monitoring Wells Complete

Construction of Nine New Groundwater Monitoring Wells Complete

A big challenge with managing groundwater is that it’s invisible to the human eye. Unlike surface water in lakes and rivers, we can’t actually see groundwater levels rise and fall. That’s why monitoring wells are so important: These wells are drilled for the sole...

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