Billing & Payment Info
How to Pay Your Bill
We offer several convenient ways to pay your bill. Pay online, by mail, by phone or in person. You can even set it up to be paid automatically each month! Choose the one that works best for you.
Visit amwater.com/billpay. Be sure to have your 16-digit account number handy. Note: Our payment partner, Paymentus, charges $1.95 per transaction for e-check, credit card and debit card payments. Want to avoid the transaction fee? There is no charge to pay by e-check through My Account. Not registered? Visit amwater.com/myaccount.
Save time and money and sign up for Auto Pay. Your bill will be paid on time, every time, directly from your checking or savings account on the date it is due. No stamps are required. You’ll still receive a copy of your bill before the due date, so you will have time to ask any questions before payment. Best of all, it’s totally free! To enroll in the program, log on to My Account or contact our customer service center.
Save Time. Save Money. Sign up for your paperless billing and payment programs on the My Account page. Not registered? Click here and be sure to have your account number handy.
Pay by Mail
Use the envelope provided with your bill, and send your payment along with the payment stub. No cash, staples or paper clips please. Mail to: Missouri American Water, P.O. Box 790247, St. Louis, MO 63179-0247
Pay by Phone
If you do not have questions about your bill, you can pay by phone using your Visa or MasterCard by calling 1.855.748.6066. Be sure to have your account number handy.
Please note that our payment vendor, Paymentus, charges $1.95 per transaction.
Want to avoid the transaction fee? There is no charge to pay by e-check through My Account. Not registered? Visit amwater.com/myaccount.
Pay In Person at Local Payment Location
Missouri American Water has agreements with several authorized payment locations across the state. Please note that this list changes periodically. Customers are encouraged to call the location first, to ensure they still accept payments for Missouri American Water. Please note these locations DO NOT accept payments by mail. Click here to find a payment location.