American Water Missouri Login, Bill Payment & Customer Support Information

Learn about how to login, bill payment options, how to set up Auto Pay, how to cancel account and other helpful tools for your American Water Missouri account.

American Water Missouri Login

You can login to American Water Missouri online account by visiting this link and access all the features. Make sure you have an account already with them. Launch your Web browser and navigate to American Water Missouri's Login page (see below).

If you do not have an account, create an account. You will need to enter your email id, phone number and some personal data to verify your information.

American Water Missouri Bill Payment

It offers online bill payment facility to all its users and provides several different methods to pay bills. You can pay your bill online at American Water Missouri's website, mail your payment to the processing center, or pay your bill in person at any authorized location. It also provides you with the option to set up automatic bill payments online and make alternative payment arrangements. You can also cancel account and contact customer support online.

Here’s the info you need to make your payment in any way you choose:

Online: Log in to your account and pay online at

By mail: You can mail your check to 727 Craig Rd St. Louis, Mo 63141. Before sending the payment you should call the customer service number 866-430-0820 for reconfirmation.

By phone: Use the automated system to make a payment. The phone number is 866-430-0820.

In Person: Pay at any of the nationwide customer service centers.

American Water Missouri Customer Support

Average Waiting time: 6 minutes.

Below you can find best ways to contact American Water Missouri support according to 20218 PaymentInformation users.

Phone Numbers
  • 866-430-0820 (Contact)
  • 866-430-0820 (Support)
Email Addresses
  • (Contact)
  • 727 Craig Rd St. Louis, Mo 63141 (Headquarters)

American Water Missouri Opening Hours

Monday 10:00 AM to 6:00 PM
Tuesday 10:00 AM to 6:00 PM
Wednesday 10:00 AM to 6:00 PM
Thursday 10:00 AM to 6:00 PM
Friday 10:00 AM to 6:00 PM
Saturday 10:00 AM to 1:00 PM
Sunday Closed

More Information

Name American Water Missouri
Also known as American Water - Missouri
Social Media Facebook, Twitter, Wikipedia, LinkedIn,
Services Offered Water & Sewer
Categories Utilities

Questions and Answers

How can I login into my account?

You can login into your account visit this link

Does it offer online bill payment facility?

Yes, it offers online bill payment facility. Credit Cards, Debit Cards and internet banking payment are accepted.

Where is the headquarters located at?

The headquarters of the company is located at: 727 Craig Rd St. Louis, Mo 63141

How can I contact customer support in case of any issues?

You can contact them by calling on following numbers:

  • 866-430-0820

  • 866-430-0820

Alternatively you can also email them at:


Does it have any social media page?

Yes, the company has profile(s) on :


What is Missouri American Water?

Missouri American Water. Missouri American Water, a subsidiary of American Water (NYSE: AWK), is the largest investor-owned water utility in the state, providing high-quality and reliable water and/or wastewater services to approximately 1.5 million people.

Is the boil order still in effect for St Louis County?

NORTH ST. ... MoAW has lifted the boil advisory in St. Louis County, issued Sunday night. Water quality tests completed this morning confirmed that the water is safe for consumption. It is no longer advised that customers in the affected area boil their water before drinking or cooking..

How do I pay my American Water Bill?

Pay by PhoneCall 1-855-748-6066 to pay with a Visa or MasterCard.Be sure to have your account number handy.A .95 transaction fee › inaw › customer-service-billing › billing-payment-infoBilling & Payment Info - American › inaw › customer-service-billing › billing-payment-info

Who owns American Water?

100% held through American Water Enterprises Holding, Inc. Wholly owned subsidiary of American Water (USA), Inc.

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