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VIDEO. From the Sewer Authority Mid-Coastside meeting on Monday, May 12th, 2025 at 7:00pm, as a hybrid meeting. Agenda. Item #4B Staff Report: Report on Progressive Design Build Contract for Sewer Force Main in Montara. Presentation. SAM Force Main in Montara webpage.
SAM’s Force Main in Montara has been in continuous service for more than 40 years and has approached the end of its useful life. The proposed project will replace the remaining ductile iron pipeline (DIP) portion of the pipeline with 13,395 feet of new high-density polyethylene (HDPE) DR 11 pipe installed parallel to the existing DIP within SAM’s easements and will have a similar diameter to maintain the FMM’s hydraulic capacity
Public Outreach
SAM has retained the services of Alison Kastamato to provide public outreach support in the form of developing materials to provide to the public regarding the project including website content, and magnets, cards and A-Frame signs regarding the importance of the project and who to contact for further information. This was a priority to be completed prior to sending workers into the field to complete surveys (4/8/25) and the geotechnical investigation. A project email was developed for the public to request information regarding the project: FMMontaraProject@samcleanswater.org .
- Website was available to public on April 3, 2025 at
https://samcleanswater.org/upcoming-projects/


More on the SAM Sewer Force Main at Montara on Coastside Buzz
Sewer Authority Mid-Coastside (SAM) Meetings ~ 2nd & 4th Mondays @ 7:00pm
SAM Agendas and Zoom Links
Subscribe to Agendas. Watch remotely. Comments and questions by email.
SAM Meeting Videos via Pacific Coast TV
Where Does Your Poop Go ~ Virtual Video Tour!
Interactive “Story Map” Tour
Contact Us
Our regular office hours are 7:00 a.m. through 4:00 p.m., Monday through Friday, excluding holidays. The Authority can be reached 24-hours a day at: (650) 726-0124.
Our Address is:
Sewer Authority Mid-Coastside
1000 Cabrillo Hwy N.
Half Moon Bay, CA 94019

SAM Board from left. Paul Nagengast (HMB), Nancy Marsh (GCSD), Scott Boyd (MWSD), Debbie Ruddock (HMB), Barbara Dye (GCSD), Kathryn Slater-Carter (MWSD).
The Sewer Authority Mid-Coastside (SAM) provides wastewater treatment services and contract collection maintenance services for a population of approximately 24,000 in the following areas:
- City of Half Moon Bay
- El Granada
- Miramar
- Montara
- Moss Beach
- Princeton by the Sea
SAM Directors
SAM is a joint powers authority (JPA) created by its three member agencies: City of Half Moon Bay (City), Granada Community Services District (GCSD), and the Montara Water and Sanitary District (MWSD).
The JPA is a separate, independent, public agency created by the member agencies to perform functions and share powers common to the member agencies. Those powers are outlined in a joint exercise of powers agreement (Agreement). The Agreement creating SAM can be found on the Documents page.
Each Agreement identifies how the independent agency will be governed. In the case of SAM, each member agency appoints two members from its governing board to represent it on the SAM Board of Directors, for a total of six directors.
The Agreement also establishes the weight of each director’s vote. The vote by each representatives from the City is given the weight of two votes. The vote by each representative from GCSD and MWSD is given the weight of one vote. The total number of possible votes is eight. A quorum is a minimum of five votes and resolutions require at least six votes to pass.
2025 SAM Directors
Deborah Ruddock ~ Chair, Representing the City of Half Moon Bay
Kathryn Slater-Carter ~ Vice Chair, Representing the Montara Water & Sanitary District
Nancy Marsh ~ Secretary/Treasurer, Representing the Granada Community Services District
Barbara Dye ~ Director, Representing the Granada Community Services District
Paul Nagengast ~ Director, Representing the City of Half Moon Bay
Scott Boyd ~ Director, Representing the Montara Water & Sanitary District

