Sonoma Valley County Sanitation District Local Hazard Mitigation Plan

The 2023 Sonoma Valley County Sanitation District Local Hazard Mitigation Plan (SVCSD LHMP) was approved by FEMA on February 24, 2023. The approval of this plan ensures the District’s continued eligibility for grants under FEMA's Hazard Mitigation Assistance programs, including the Hazard Mitigation Grant Program, Building Resilient Infrastructure and Communities Program, and Flood Mitigation Assistance Program. All requests for funding, however, will be evaluated individually according to the specific eligibility, and other requirements of the particular program under which applications are submitted.

Also, approved hazard mitigation plans may be eligible for points under the National Flood Insurance Program's Community Rating System (CRS). Additional information regarding the CRS can be found at or through your local floodplain manager.

FEMA's approval of the 2023 SVCSD LHMP is for a period of five years. Prior to February 24, 2028, the District is required to review and revise its plan to reflect changes in development, progress in local mitigation efforts, and changes in priorities, and resubmit it for approval in order to continue to be eligible for mitigation project grant funding.

View the Sonoma Valley County Sanitation District 2023 Local Hazard Mitigation Plan

Contact Us

Submit questions or comments by sending an email to

About the District

Service area:  4,500 acres

Service recipients:  17,548 Equivalent Single-Family Dwelling

Treatment level:  Tertiary

Design capacity:  3,000,000 gallons per day (average daily dry weather flow)

Discharge:  Between May 1 and October 30 the recycled water is used for irrigation and wetland habitat enhancement. Between November 1 and April 30 recycled water is discharged into Schell Slough or Hudeman Slough.

Board of Directors:  The Mayor of the City of Sonoma, the chair and first district supervisor of Sonoma Water's Board of Director act as the District's Board.

Learn more about the Sonoma Valley County Sanitation District