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Well and Septic News


July 1, 2022

Board of Supervisors Consideration of Revised OWTS Manual early 2023

The Board of Supervisors will be considering the revised OWTS Manual at an upcoming meeting early in 2023. With direction from the Board of Supervisors, the revised manual will be submitted to the local Regional Water Board for approval. Read full story


May 31, 2022

Dry Weather Well Season Opening Early Due to Ongoing Drought Emergency

Due to the declared and prolonged drought emergency in Sonoma County, Permit Sonoma is opening the dry weather season for well yield testing on June 1, 2022. The typical dry weather season runs from July 15 to October 1 of each year. The Director of Permit and Resource Management has the discretion to extend the dry weather season in accordance with Sonoma County Code section 7-12(1)(c). Given the current and prolonged drought conditions, this year’s time frame is extended from June 1, 2022 to October 1, 2022. Read full story


May 9, 2022

Online Well Construction Application is Now Available!

Permit Sonoma has developed an online well construction permit application, available through Permits Online. The updated permit is similar to the old format application that well drillers are familiar with; however, some new questions have been added. Well construction permit applications must be submitted online and will no longer be accepted by email, effective immediately. Read full story


May 9, 2022

Governor Executive Order N-7-22 for Well Permits

On March 28, 2022, Governor Gavin Newsom issued an executive order to address the worsening western drought. The order includes numerous mandates for water conservation, permit streamlining, and modifications to current regulations to address the drought. Of particular significance to Permit Sonoma, the order requires additional review of well permits by local jurisdictions and groundwater sustainability agencies, as specified by paragraph 9 of the order below. Read full story


April 18, 2022

Wet Weather Groundwater Determinations & Percolation Testing for 2022 Season

Wet weather testing season open and closed areas and rainfall totals. Read full story


December 30, 2021

Operational Permit (OPR) Program Updates

Permit Sonoma has updated Operational Permitapplication requirements. Please view our <a href="/PRMD/Instructions-and-Forms/WLS-047-Operational-Permit-Application-Required-Contents/" title="Operational Permit applicationrequired contents webpage">Operational Permit applicationrequired contents webpage for more details.  The new Operational Permitapplication requirements are effective January 1, 2022. Read full story


November 24, 2021

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


October 26, 2021

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


June 2, 2021

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


October 12, 2020

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