SAM Sewer Force Main at Montara Replacement Project Proceeds on Schedule with Design and Guaranteed Maximum Price Ready by end of 2025

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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 .


More on the SAM Sewer Force Main at Montara on Coastside Buzz

Sewer Authority Mid-Coastside Approves Phase 1 Contract for Progressive Design Build of SAM’s Force Main in Montara to Meet ERF’s Court Ordered 2027 Deadline;

SAM Directors Receive 5-Year Capital Infrastructure Plan with Force Mains at Princeton and Montara as Big Ticket Items; Member Agencies Send Back to their Boards;

Sewer Authority Mid-Coastside (SAM) Takes Big Step Forward by Approving Design/Build Funding for their Intertie Pipeline Force Main in Montara;

Sewer JPA Votes Unanimously to Take Budget Amendment Back to their Boards for Princeton Pump Station and Force Main at Montara Projects in the Face of ERF Lawsuit;

Sewer Authority Looks to Go 80 Feet Deep with Trenchless Tech to Repair the Force Main at Montara and Avoid Other Utilities;

Study for Sewer Force Main at Montara Says Pipe Failed Due to Longterm Extreme External Corrosion Caused by Geologically Wet Soil;

Sewer Board Votes Unanimously to Pay $35k to Ecological Rights Foundation to Extend Lawsuit Consent Decree to Replace the Force Main at Montara by 2026;

Montara Water and Sanitary District Special Meeting Reapproves SAM 2023-24 Budget but Prepares for Future by Starting a Fund to Pay for the Sewer Force Main at Montara;

SAM GM Reports on Scope of Work for Water Hammer Engineering Analysis of the Sewer Force Main Pipe in Montara After Storm Failure;

GCSD Aware Their Share of the Estimated $11M Replacement Cost for the SAM Force Main in Montara is 16%-20%; GCSD Looking to Reserves, Rates and Insurance to Fund;


Montara Sewer Engineers Identify Water Hammer as the Cause for the Force Main Damage in Montara Due to HMB Closing Off IPS to Save SAM Plant
;

How Sewer Authority Mid-Coastside (SAM) Saved the Plant’s Electrical and Fixed the Montara Force Main Leak from New Years’s Storm Water Deluge ~ More to Come;


More on SAM on Coastside Buzz


Sewer Authority Mid-Coastside (SAM) Meetings ~ 2nd & 4th Mondays @ 7:00pm

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Subscribe to Agendas. Watch remotely. Comments and questions by email.

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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
 

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Author: mdrag

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