Sewerage Agency of Southern Marin (SASM)


The District is governed by a six-member Board of Directors appointed by member's agencies.

About the Agency

The Sewerage Agency of Southern Marin is a joint powers agency formed in 1979 to consolidate wastewater collection, treatment, water reclamation and disposal needs of about 29,500 residents in southern Marin County. Members of the agreement include Almonte, Alto, and Richardson's Bay sanitary districts, Tamalpais Valley Community Services District, and the City of Mill Valley. The agency is responsible for the construction and installation of wastewater collection, treatement, reclamation, and disposal facilities to serve the southern Marin area. SASM is responsible for maintaining these facilities and their standards. SASM's operated fiscal year 2016-2017 with a total operating revenue of roughly $5.5 million. 

Board of Directors

  • Jeff Slavitz
    Richardson Bay Sanitary District
  • Allan Leibof
    Homestead Valley Sanitary District
  • Todd Gates
    Alto Sanitary District
  • Jim Jacobs
    Tamalpais Community Services
  • Lew Kious
    Almonte Sanitary District
  • John McCauley
    City of Mill Valley

Board Meetings

  • 7 p.m.
  • 3rd Thursday monthly
  • District Office
    450 Sycamore Avenue
    Mill Valley, CA 94941


  • Number of personnel
    SASM: 0 total full-time equivalent positions City of Mill Valley: 16 full-time equivalent
  • Mark Grushayev
    Wastewater Treatment Manager
    Phone: 415-388-2402
    Email Mark Grushayev
  • Attorney: County Counsel
    Phone: 415-473-6128