We are excited to announce that we have revamped our billing system. As part of this system-wide upgrade, you are being assigned a new Customer Number and Account Number. Use the link below to look up your new account number.

Lookup your new Customer Account Number >

NEW Extended Arrearage Program

Ways to Pay Your Bill


How to Pay My Bill

We now provide the ability to pay your water bill on-line using a credit card, debit card, or electronic check.

Please see New Bill Pay and AutoPay Re-register Letter.

AutoPay is also available. Learn more here.

By Phone



Payments by phone can now be made using a credit card, debit card or electronic check.

By Mail

PO Box 987
Fontana, CA 92335

Make check payable to: Fontana Water Company

NOTE: Please include the payment stub.

In Person

Office Hours:
M-Th 7:30am – 5:30pm
Alternating Fridays: 7:30am-4pm

View all office locations.

An after hours drop box is available at all office locations.

NOTE: Accept cash, check or money order.

Start, Stop & Move Service


Service is established, in person, at any of our office locations or by email.


M-Th 7:30am – 5:30pm
Alternating Fridays: 7:30am-4pm

Call our Customer Service Department. If your current Billing Address is the same as the service location, a forwarding address is necessary to close your account.

Move Service

Let us help you move your water service. Contact our Customer Service Department and we will be happy to help you move service to your new address if it is in our service area.


onlineFontana Water Company

M-Th 7:30am – 5:30pm
Alternating Fridays: 7:30am-4pm

Email Customer Service

online After Hours

Emergencies 1-909-428-8746
M-F 8am – 5pm PST
Saturday & Sunday


Kids Corner

An online resource with puzzles, games, fun facts, and water information for kids of all ages.
Learn More

Water Quality

Water utilities must provide water quality or Consumer Confidence Reports to customers. The quality of the drinking water supply and adhering to the Safe Drinking Water Act is one of our top priorities.
Learn More


Every year Fontana Water plans, schedules and completes dozens of projects to ensure and secure the water supply.

Get Informed

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