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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! 


About Us

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 Silicon Valley Clean Water  (SVCW) for treatment and discharge to the San Francisco Bay.


Learn about our affiliates.

Agenda & Minutes

Read what the District’s board had to say in their latest meeting. 

Areas of Coverage

Find out which cities and counties we currently serve.

Board of Directors

Meet our Board of Directors.

Budget & Finance

Read the latest budget and finance information.

Contact Us

Get directions on how to visit us along with our general contact information.


Get more information about our SSMP, OERP, and Annual SSO Report.


Do you have a talent we need? Take a look at our available positions.

Links & Glossary

Ran into an acronym? Need a link? You’ve come to the right place.

Mission & History

Learn what we stand for and how we have served our community since 1902.

Open Government

The District is committed to deliver transparency and easy access to the public.

What’s New

Find out what’s happening with West Bay Sanitary District.

Can’t find what you need?

Just give us a call or send us an email and a district representative can get you what you are looking for.

Hours of Operation

Open Weekdays

Monday – Friday

Office Hours

Monday thru Thursday 9:00am – 3:00pm

Contact Us

By Phone:

(650) 321 – 0384


By Email: