the gem of the bay

Upcoming Events

August 23 and 25, 2016. Community Meetings hosted by the Clean Water Program to learn about the process for selecting a location for an underground storage facility to address sanitary sewer overflows.  Tuesday, August 23rd, will be held at the Police Station, 200 Franklin Parkway, San Mateo, CA 94403.  Thursday, August 25th, will be held at the City Hall Council Chambers, at 330 W 20th Avenue, San Mateo, CA 94403.  Both meetings will run from 6:30pm to 8:30pm.  See attached meeting invitation for more details, which was mailed to all San Mateo residents & property owners.

September 7, 2016. Clean Water Program will present to the Parks and Recreation Commission on the process for selecting a location for an underground storage facility to address sanitary sewer overflows in Room C of City Hall, 330 W 20th Ave, San Mateo, CA 94403.

September 14, 2016. Clean Water Program will present to the Public Works Commission on the process for selecting a location for an underground storage facility to address sanitary sewer overflows in the City Hall Council Chambers, at 330 W 20th Ave, San Mateo, CA 94403.

PROTECTING THE BAY FOR A SUSTAINABLE FUTURE

Have you ever wondered where used water (“wastewater”) goes after it leaves your home? Did you know that it eventually reaches the San Francisco Bay? It first travels through a series of sewer pipes and pumps called a sewer collection system and then gets treated at the Wastewater Treatment Plant before it is safe to flow into the Bay.

Read Wastewater: The Basics to learn all about San Mateo’s sewer collection system and Wastewater Treatment Plant!

The Clean Water Program is a comprehensive plan to upgrade the aging wastewater collection and treatment system with advanced infrastructure that will provide reliable services for years to come. The Wastewater Treatment Plant components of the Clean Water Program are a joint effort between the City of San Mateo and City of Foster City/Estero Municipal Improvement District (EMID). The City of Foster City is a partial owner of the Wastewater Treatment Plant. The Goals of the Clean Water Program are to:

Replace aging infrastructure & facilities
Replace aging infrastructure & facilities
Build wet weather sewer system capacity assurance
Build wet weather sewer system capacity assurance
Meet current and future regulatory requirements
Meet current and future regulatory requirements
Align with the City of San Mateo and Foster City’s Sustainability Goals
Align with the City of San Mateo and Foster City’s Sustainability Goals

On March 22, 23, and 30, 2016, the Clean Water Program hosted informational meetings to give an update on the Program. If you missed it, read the presentation slides or view the filmed video of the March 30 meeting.

Learn more about the Clean Water Program:

  • Frequently Asked Questions – An overview of the most common questions asked about the Clean Water Program. Let us know what else you’d like to know for future Frequently Asked Questions pages. Also available in Spanish and Chinese.
  • Wastewater: The Basics – Presentation illustrating basic information about San Mateo’s sewer collection system, the Wastewater Treatment Plant, and the Clean Water Program.
  • Wastewater Treatment Plant Service Area Map – Map showing the area and agencies that send wastewater to the San Mateo Wastewater Treatment Plant.
  • Wastewater System, at a Glance – One-page diagram illustrating the journey wastewater takes from homes and businesses through the sewer collection system to the Wastewater Treatment Plant.
  • Can’t Flush This – Awareness handout about what not to flush, since many things that are commonly perceived as “flushable” can negatively impact our sewer collection system.
  • Instructions to Enroll for Email Updates – Instructions on how to keep in the loop on upcoming events and get notifications when we expand this website with new maps and informational materials.

Contact the Clean Water Program by emailing info@cleanwaterprogramsanmateo.org, calling (650) 727-6870, or by mail at Clean Water Program, City of San Mateo, 330 W. 20th Avenue, San Mateo, CA 94403.

Environmental Impact

The Clean Water Program will have a positive impact on our environment by preventing raw sewage from overflowing into San Francisco Bay. As with most infrastructure improvements there are some temporary nuisance impacts during construction and changes associated with building new facilities. The Programmatic Environmental Impact Report (PEIR) describes the improvements and anticipated impacts that could occur from implementing this program.

The public comment and review period for the Draft Programmatic Environmental Impact Report (Draft PEIR) for the Clean Water Program was from October 20, 2015, to January 22, 2016. All comments submitted during that period have been reviewed and addressed.  The City prepared a Final Programmatic Environmental Impact Report (Final PEIR), which is available for download below. The Draft PEIR is also available for download below.

The Public Works Commission received public comments on the Final PEIR and made a recommendation to the San Mateo City Council regarding certification and adoption of the Final PEIR at the May 11, 2016 Public Works Commission Meeting. A summary of the comments received with responses is available here.

The San Mateo City Council certified and adopted the Final PEIR; approved the In-System Storage Alternative for the Clean Water Program; and adopted required findings, a statement of overriding considerations, and the mitigation monitoring or reporting program at the June 6, 2016 City Council meeting.

Download the entire Final Programmatic Environmental Impact Report, or just the individual section you are interested in below:

Notice of Availability Final PEIR
Full Final PEIR, released April 2016
Cover, ToC, Acronyms
Executive Summary
Chapter 1 Introduction
Chapter 2 Program Description
Chapter 3 Aesthetics
Chapter 4 Air Quality
Chapter 5 Biological Resources
Chapter 6 Cultural Resources
Chapter 7 Geology and Soils
Chapter 8 Greenhouse Gases
Chapter 9 Hazards and Hazardous Materials
Chapter 10 Hydrology and Water Quality
Chapter 11 Land Use
Chapter 12 Noise
Chapter 13 Population and Housing
Chapter 14 Public Services
Chapter 15 Recreation
Chapter 16 Transportation Traffic
Chapter 17 Utilities
Chapter 18 Other Required California Environmental Quality Act
Chapter 19 Alternatives
Chapter 20 Report Preparation
Appendix A Evaluation of In-System Storage Location Alternatives for the San Mateo Clean Water Program
Appendix B Air Emissions Calculations
Appendix C Special-status Species Tables
Appendix D Wetlands Delineation Report
Appendix E Geologic Units
Appendix F Master Responses, Responses Public Letters, and Public Hearings
Appendix G Changes to Draft Programmatic Environmental Impact Report

Notice of Availability Draft PEIR
Full Draft PEIR, released October 2015

Contact the Clean Water Program by emailing info@cleanwaterprogramsanmateo.org, calling (650) 727-6870, or by mail at Clean Water Program, City of San Mateo, 330 W. 20th Avenue, San Mateo, CA 94403.

CONTRACTORS, CONSULTANTS & VENDOR OPPORTUNITIES

The Partners

The City of San Mateo and Foster City/Estero Municipal Improvement District (EMID) co-own the San Mateo Wastewater Treatment Plant (WWTP) through a Joint Powers Agreement (JPA), enacted in 1974.
City of San Mateo
City of San Mateo
The City of San Mateo operates as the Plant’s “lead agency,” owning 75% of the existing WWTP
Foster City/Estero Municipal Improvement District (EMID)
Foster City/Estero Municipal Improvement District (EMID)
The Foster City/Estero Municipal Improvement District owns the remaining 25% of the existing WWTP
Hillsborough, Belmont, the Crystal Springs County Sanitation District, and areas of unincorporated San Mateo County
Hillsborough, Belmont, the Crystal Springs County Sanitation District, and areas of unincorporated San Mateo County
The WWTP also treats wastewater from these surrounding communities. These communities are responsible for operation and maintenance of their individual sewer collection systems.

Contact the Clean Water Program by emailing info@cleanwaterprogramsanmateo.org, calling (650) 727-6870, or by mail at Clean Water Program, City of San Mateo, 330 W. 20th Avenue, San Mateo, CA 94403.

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CONTACT US

Thank you for taking the time to learn a little more about the Clean Water Program. This website is currently in the early stages of development, and additional pages, fact sheets, and a Frequently Asked Questions page are on their way. For questions or comments about the Clean Water Program, or suggested improvements to this website, please contact us: