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Call Us First!

(650) 321-0384

If you have a sewer emergency or sewer related problem, please Call Us First, day or night at (650) 321-0384. Our reporting line is open 24/7. Thank you! 



West Bay Sanitary District provides wastewater collection and conveyance services to the City of Menlo Park, Atherton, and Portola Valley, and areas of East Palo Alto, Woodside and unincorporated San Mateo and Santa Clara counties. The District conveys raw wastewater, via the Menlo Park Pump Station and force main, to South Bayside Systems Authority (SBSA) for treatment and discharge to the San Francisco Bay.


Find out more about our current projects here.

Sewer Clearing

Learn more about our different operations for clearing sewers.

Waste Management

Learn more about Solid Waste Management here.

Recycled Water

Get the latest update on Recycled Water.