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SASM News

  1. Stay connected 

  1. SASM Blending Event Notification

    Blending event due to a temporary power shutdown. Read on...
  2. Call us First if you See a Sewer Spill

    The sooner we know there is sewer spill, the faster we will be able to contain it. Read on...
  3. Sewerage Agency of Southern Marin Wins Major Award for Exemplary Design and Construction

    The Sewerage Agency of Southern Marin (SASM) has won the California Association of Sanitation Agencies (CASA) Award for Excellence for Outstanding Capital Project for the “Headworks Building Biological Odor Control System” project, completed in 2020. Read on...
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  1. pipes and tall wastewater treatment tower with bright blue sky

    Active Projects

  2. Bird in pickleweed

    SASM and the Environment

Event CALENDAR

  1. Join us

  1. Apr 20
  2. SASM Commissioners Board Meeting

    Read on...
  1. May 18
  2. SASM Commissioners Board Meeting

    Read on...
  1. Jun 15
  2. SASM Commissioners Board Meeting

    Read on...
  1. Jul 20
  2. SASM Commissioners Board Meeting

    Read on...
  1. Aug 17
  2. SASM Commissioners Board Meeting

    Read on...
View All Events
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Contact Us

  1. SASM Wastewater Treatment Plant
    450 Sycamore Ave
    Mill Valley, CA 94941
    Phone: (415) 388-2402
    Email: sasm@cityofmillvalley.org

    Hours: Monday - Friday 7:00 am to 4:00 pm

Quick Links

  1. SASM Board of Commissioners
  2. Contact Us
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