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PUBLIC REVIEW. From Sewer Authority Mid-Coastside on January 28th, 2026.
Public Review Period: January 28, 2026 – February 27, 2026
The Sewer Authority Mid-Coastside (SAM) is the lead agency in accordance with the California Environmental Quality Act (CEQA) for the proposed SAM Force Main in Montara Replacement Project (Project). In accordance with State CEQA guidelines, SAM has prepared this notice to inform agencies and interested parties that it is releasing an Initial Study and Mitigated Negative
Declaration (IS/MND) for the Project.
The IS/MND will be available for public review at the Sewer Authority Mid-Coastside at 1000
N. Cabrillo Highway, Half Moon Bay, CA 94019, as well as the following website:
Project Location: The Project site is located along State Route 1 (SR-1) between California Avenue in the census-designated place of Moss Beach and Sonora Avenue in the census- designated place of El Granada, within unincorporated San Mateo County (County), California.
The Project traverses the census-designated places of Miramar, El Granada, and Moss Beach. The Project site is located approximately 3.4 miles northwest of State Route 92 (SR-92) and approximately 7.2 miles west of Interstate 280 (1-280). The nearest cross streets are Coronado Street to the southeast and California Street to the northwest. The Project site is located along SR-1, a highway that is a California Department of Transportation (Caltrans) facility, mostly within the Caltrans right-of-way.
Project Description: The Project is proposed by SAM and includes the construction of a replacement sewer force main segment along SR-1 between the community of Moss Beach and the community of El Granada, with a proposed length of approximately 13,540 feet. The existing force main has experienced several leaks in the past and must be replaced to protect the public health and the environment. The Project alignment would be located south and north of SR-1 and would involve replacement in-kind of the existing sewer force main within Caltrans ROW. A total of five (5) construction staging areas are proposed along the Project site, three of which are located east of SR-1 and two of which are located west of SR-1. No construction staging would occur within sensitive habitat. Field construction activities for the Project are scheduled to be completed following regulatory and right of way permitting over a single continuous phase beginning in the summer of 2026 and ending in the summer of 2027.
Comments: Comments may be filed with SAM in response to the preparation of the IS/MND during the public review period ending February 27, 2026, pursuant to Section 15073 of the State CEQA Guidelines.
Comments may be directed to:
Kishen Prathivadi, PE, PMP, General Manager
Sewer Authority Mid-Coastside
1000 N. Cabrillo Highway, Half Moon Bay, CA 94019
SAMFMMontara@samcleanswater.org.
The Joint Powers IPS Map (Inter-tie Pipeline System)
More on Granada Community Services District on Coastside Buzz
More on Montara Water and Sanitary District 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.
2026 SAM Directors
Kathryn Slater-Carter ~ Chair, Representing the Montara Water & Sanitary District
Nancy Marsh ~ Vice Chair, Representing the Granada Community Services District
Paul Nagengast ~ Secretary/Treasurer, Representing the City of Half Moon Bay
Deborah Ruddock ~ Director, Representing the City of Half Moon Bay
Barbara Dye ~ Director, Representing the Granada Community Services District
Scott Boyd ~ Director, Representing the Montara Water & Sanitary District
Author: mdrag
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