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New Well & SepticDistricts
The Well & Septic Division has re-assigned districts due to staffing changes. View Well & Septic - Environmental Health Districts Map (PDF). This change is effective December 1, 2021. Read full story
Dry Weather Well Testing Closures for 2021
The dry weather well testing season for 2021 is closed as of today: Tuesday, October 26, 2021. Read full story
Well and Septic Drought Related Policy Changes
On April 21, 2021, Governor Gavin Newsom proclaimed an emergency drought for Sonoma and Mendocino Counties. On April 27, 2021, the Sonoma County Board of Supervisors also proclaimed a drought emergency for Sonoma County. Read full story
Reminder to Submit Complete Septic Applications, Comply with Septic Standards, and Maintain Professional Communications
Septic Professionals: This message is intended as a reminder to please submit complete septic applications in accordance with county standards including the OWTS Manual v7.0, policies and procedures, and published guidance documents as well as to encourage and promote professional communications. Read full story
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
SepticPermitting Updates Messages
Permit Sonoma is implementing a variety of septic permitting improvements in an effort to assist customers comply with the recently adopted Onsite Wastewater Treatment System (OWTS) Manual version 7.0 and to make our permitting processes clearer and more efficient. Read full story
Updates Coming to Sonoma County Building & Fire Codes
New state-mandated building codes, that govern the design and construction of structures and the maintenance of life safety systems within structures for fire prevention, go into effect on January 1, 2020. Read full story
2022 Model Building Codes Local Workshop - August 30, 2022
New state-mandated building codes, that govern the design and construction of structures and the maintenance of life safety systems within structures for fire prevention, go into effect on January 1, 2020. Read full story
Revised Third Party Plan Check
As part of our continued pursuit of process improvements, Permit Sonoma has revised the Third Party Plan Check policy (BPC-013). The goal of the revision is to reduce permit processing time by removing some of the obstacles in our previous practice. Read full story
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