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July 21, 2020

Flood ManagementDesign Manual (FMDM) Announcement

Sonoma Water’s Board of Directors adopted a resolution approving the Flood Management Design Manual (FMDM) to provide guidance and criteria for the conveyance of storm water. The FMDM is a significant update to the existing criteria and will replace the current Sonoma County Water Agency Flood Control Design Criteria (FCDC). Read full story


July 30, 2019

Clean Streams in Southern Sonoma County

Permit Sonoma is part of a public/private partnership to reduce pollution in the Sonoma Creek and Petaluma River watersheds. Read full story


October 5, 2018

Storm Water Protections During Construction

The Water Board mandates that contractors meet specific storm water construction practices to prevent harmful pollutants from entering our watershed. Sonoma County is required by our permit from the Water Board to enforce compliance with these requirements. The County has been working with contractors in Larkfield and Mark West areas since August to get voluntary compliance and to notify them of the requirements. Read full story


May 31, 2018

Help Sonoma County Waterways By Answering 7 Quick Questions

Sonoma County is conducting a voluntary survey to assess storm water awareness. We're looking for residents of Petaluma, Penngrove, Kenwood, Glen Ellen, and Sonoma to help guide our public outreach efforts for Region 2 of the California Regional Water Quality Control Board. We appreciate you taking the time to help us with this program. Read full story