Central Marin Sanitation Agency


The District is governed by a six-member Board of Commissioners. The individual districts appoint the Commissioners and determine the length of their term. Positions within the Board are rotated annually in July.

About the Agency
The Central Marin Sanitation Agency is the product of consolidation between the San Rafael Sanitation District, City of Larkspur, and Sanitary Districts #1/#2 of Marin County in October 1979. CMSA is responsible for treating and disposing of wastewater and biosolids from Central Marin County. CMSA also regulates the commercial, industrial, and institutional discharges into the sewage collection system of member districts. 


  • Al Boro
    San Rafael Sanitation District
  • Maribeth Bushey
    San Rafael Sanitation District
  • John Dupar
    Sanitary District Number 2 (Corte Madera)
  • Michael Boorstein 
    Ross Valley Sanitary District
  • Doug Kelly
    Ross Valley Sanitary District
  • Kathy Hartzell
    City of Larkspur

Board Meetings

  • 7 p.m.
  • 2nd Tuesday monthly
  • District Office
    1301 Anderson Drive
    San Rafael, CA 94901


  • Number of personnel
    41 total full-time equivalent positions
  • Jason R. Dow
    General Manager
    Phone: 415-459-1455, ext. 145
    Email Jason R. Dow
  • Kate Brouillet
    Administrative Assistant
    Phone: 415-459-1455, ext. 188
    Email Katie Brouillet
  • Jack Govi
    Attorney (City Council)
    Email Jack Govi