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.
Sanitary District No. 1
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.
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.
City of Larkspur
SERVICE AREA: Larkspur city limits.
BOARD MEMBERS: The Larkspur representative on the CMSA Board is appointed by the Larkspur City Council.