San Jose Municipal Water System

San José Municipal Water System (Muni Water) is owned and operated by the City of San José. It is one of three drinking water suppliers in San José, along with privately-owned San Jose Water Company and Great Oaks Water Company.

Look up your water retailer.

Muni Water has grown from a relatively small water utility to the fourth largest water retailer in Santa Clara County. Today, we offer some of the lowest water rates in the San Francisco Bay Area while providing our customers with a safe and reliable water supply.

Pay My Bill & Rates

For information on the many ways to pay your Municipal Water System Bill, visit the Pay My Muni Bill page.

To find out how to set up a payment plan and sign up for other assistance programs, including establishing low income and/or vulnerable customer status on your water account visit the Water Payment Resource page

OPEN OR CLOSE ACCOUNT

To start or stop service, contact Customer Service:

• Phone: (408) 535-3500
• In person (Monday-Friday, 8:00 a.m. to 5:00 p.m.): 200 E. Santa Clara St., 1st Floor Tower, San José, CA 95113

For information on water policies and procedures, including water shutoff policies, visit our Water Payment Resources page.

Make Water Efficiency a Lasting Effort

Water Use Rules
The City has water use rules that remain in effect at all times to promote efficient water use. View San José's Water Use Rules.

Water Saving Tips
There are lots of ways to save water. Shortening your shower by just 5 minutes can save 15 gallons indoors. Learn how you can save water at home.

Report Water Waste
Learn how to report water waste in Santa Clara County.

Find Water Leaks
Detecting water leaks improves efficiency and saves money on your bill. In San José, repairs leaks must be started within five working days of a leak being detected. 

Free Water Fixtures
Muni Water offers customers free water-saving shower heads and kitchen and bathroom faucet aerators. Customers can call the water conservation hotline at 408-794-6784 for more information and to request a water fixture. The fixtures are also available from Valley Water for customers who have completed a DIY Water Wise Indoor Survey. After completing this step-by-step guide, customers can fill out this electronic worksheet to request high efficiency shower heads, kitchen and bathroom sink aerators, and toilet flappers to be mailed to them directly.