Contact
Thank you for taking the time to learn a little more about the Clean Water Program. For questions or comments about the Clean Water Program, or suggested improvements to this website, please contact us.
City of San Mateo
Website: City of San Mateo
Mail: Clean Water Program City of San Mateo 330 W. 20th Avenue San Mateo, CA 94403
Telephone: (650) 727-6870
Email: info@CleanWaterProgramSanMateo.org
Foster City
Website: City of Foster City
Mail: Department of Public Works City of Foster City 610 Foster City Blvd. Foster City, CA 94404
Telephone: (650) 286-3270
Email: publicworks@fostercity.org
The Partners and Regional Customers
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
The City of San Mateo operates as the Plant’s “lead agency,” owning approximately 75% of the WWTP. San Mateo is responsible for operation and maintenance of its own collection system.
Foster City/Estero Municipal Improvement District (EMID)
The Foster City/Estero Municipal Improvement District owns approximately 25% of the WWTP. Foster City/EMID is responsible for operation and maintenance of its own collection system.
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 pay the City of San Mateo to treat their wastewater and are responsible for operation and maintenance of their individual sewer collection systems.