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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! 



Effective collection and treatment of wastewater is one of the crucial drivers for protecting public health, providing a clean environment, and promoting a sustainable economy. Wastewater is a part of everyday life. Every living creature and every industry on earth creates waste in some form or another.

How to Get Permits

Learn about the how to get permits here.

What We Do

Learn more about the WBSD’s types of clearing services.

Do’s and Don’ts

Learn more about the do’s and don’ts to better maintaining your sewer lateral.

Videos & Useful Links

Watch and learn from our training videos and click on linked sewer related articles.

How it Works

Learn more about sanitary sewer flow, how it starts and where it all ends.

For Kids

This is an area for kids to roam free to learn about the Water System.

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

8:00am – 4:00pm

Contact Us

By Phone:

(650) 321 – 0384


By Email:


Educational Sites