Bill Payments

Bill Payment Options
Rainbow Water customers have a variety of flexible options to pay their monthly water bill. Explore bill payment options below.
Make a check or money order payment by mail with the monthly bill statement.
- Mail Payment: Send your payment and invoice slip to the address on the bill statement or directly to: Rainbow Water 3707 Old Highway 395, Fallbrook, CA 92028
Online Payments
Rainbow Water's online payment service allows customers to make a payment 24 hours a day, seven days per week on the website.
- Auto Payments: Enroll in the auto payment system to have funds deducted monthly by linking your preferred payment method to the online bill payment system.
- Online Bill Pay: Make a one-time payment by logging into your account on the Rainbow Water website. Click on the Account Log In link on the home page and set up your account.
In Person
Rainbow Water offers payment options in person at the office and through third party business partner US Bank.
- Rainbow Water Office: Visit the Rainbow Water during regular office hours to make a payment in person by cash, check or card.
- Payments must be received by 3:30 pm PT to be applied for same day payment.
- US Bank: Visit a US Bank branch to make a payment by providing your account number.
Pay-by-Phone
Rainbow Water's Customer Service team is available to resolve bill questions, set up bill payment plans and waive a late fee once every two years.
- Phone Payment: Call (760) 728-1128 to make a payment by card during business hours Monday through Friday from 8:00 a.m. to 4:30 p.m.
- Payments by phone must be received by 3:30 pm PT to be applied for same day payment.
- Payments are accepted after hours by using the automated payment processing system using the same phone number.