Central Marin Sanitation Agency

Fairfax Creek

Wood Ducks

San Rafael Sanitation District  

SERVICE AREA:  Central San Rafael south of Puerto Suello Hill and portions of neighboring unincorporated areas.

BOARD MEMBERS: SRSD's two members on the CMSA Board are drawn from SRSD’s three-member Board, which consists of the Mayor of San Rafael, a City Council representative, and a County Supervisor.

SRSD Website Link


Ross Valley Sanitary District

SERVICE AREA: Bon Air, Fairfax, Greenbrae, Larkspur, Kentfield, Kent Woodlands, Murray Park, Ross, San Anselmo, Sleepy Hollow, and Oak Manor.

BOARD MEMBERS: SD1's five-member governing Board is elected at large. Two SD1 Board members and three alternates are appointed to the Board.

SD1 Website Link


Sanitary District No. 2

SERVICE AREA:  Town of Corte Madera, portions of the Tiburon peninsula, portions of the Greenbrae boardwalk, portions of Larkspur, and portions of unincorporated areas of the county.

BOARD MEMBERS: The CMSA Commissioner from SD2 is appointed by the District Board, which is the Corte Madera Town Council. 

SD2 Website Link


City of Larkspur  

SERVICE AREA: Larkspur city limits.

BOARD MEMBERS: The Larkspur representative on the CMSA Board is appointed by the Larkspur City Council.

City of Larkspur Website Link