San Mateo Wastewater Treatment Plant: Clean Water Program
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San Mateo Wastewater Treatment Plant: Clean Water Program

The Clean Water Program is a comprehensive plan to upgrade the San Mateo Wastewater Treatment Plant, jointly owned by the Cities of San Mateo (75%) and Foster City/EMID (25%), and San Mateo's wastewater collection system with advanced infrastructure that will provide reliable services for years to come.

Why Now?

  • The current Wastewater Treatment Plant has components that are over 75 years old and improvements to accommodate current and future operating requirements are needed.
  • We are responding to the direction of our regulators requiring specific corrective actions, while planning for future regulations related to wet weather capacity and the quality of our effluent water.
  • Improvements to the Wastewater Treatment Plant have added environmental benefits, including a cleaner San Francisco Bay, production of a new recycled water source, and alternative fuel sources.

 Additional information can be found on the San Mateo Clean Water Program website.



City Hall - 610 Foster City Blvd.
Foster City, CA 94404
(650) 286-3200