To pay online, simply click this link to access "Paymentus", (our 3rd party processing company) and follow the directions to make payments**.  You will need a copy of your bill or your account and customer numbers in order to use this service.

If you wish to access your account payment and usage history, make service requests or see other account information, simply click here: "My Account".  In order to register, you will need a copy of your bill or your account and customer numbers.

Also, payments may now be made by calling (toll free) 866-790-7218. You will need to have your account and customer numbers available, and the automated system will walk you through the rest.

**We accept Visa, MasterCard, Discover or electronic check via our online and telephone bill-pay. Your payment will be processed through a third party vendor. A convenience fee will be assessed.

Mountain Water continues to offer Monthly Direct Debit from your Checking Account. Once approved, each month on your due date, your monthly bill amount will be automatically withdrawn from the account you have designated.
For Direct Debit Payment Information, click here..

You may also send payments through the mail to:
Mountain Water Company
P.O. Box 4826
Missoula, MT 59806-4826

We accept payment in the form of credit and debit card, check, money order, or cash. .

Payments are also accepted at our office. We are located at 1345 West Broadway;

Walk-In Office Hours: 7:30 am – 5:30 pm Monday through Friday.
Closed: Weekends and Holidays
Phone Hours: 8am – 5 pm Monday through Friday (406) 721-5570