The main ways to pay American Water
American Water operates in 14 states and serves roughly 3.4 million customers. The company offers several payment methods, and which ones work for you depends on where you live and what your account setup allows. Most customers can pay online, by phone, by mail, or in person at a payment center.
The fastest and most common route is the online payment portal at amwater.com. You log in with your account number and password, then choose a one-time payment or set up automatic payments from a bank account or debit card. Payments made online typically post within one business day.
If you prefer not to use the website, you can call American Water's customer service line — the number appears on your bill — and pay over the phone with a debit card or bank account. Phone payments also post within one business day, though you may be charged a convenience fee depending on your state and payment method.
Key Takeaways
- Online payment through amwater.com is free and the fastest method, posting within one business day.
- Phone payments work but may carry a convenience fee; the customer service number is on your bill.
- Mail payments should be sent to the address on your bill and take 7 to 10 days to post.
- Automatic payments from a bank account avoid late fees and let you set the payment date each month.
- Some American Water locations offer in-person payment at local offices, though this varies by state.
Setting up automatic payments from your bank account
Automatic payments are the most reliable way to avoid a late payment, since the money leaves your account on a date you choose each month. Log into your American Water account online, go to the "Billing" or "Payment" section, and select "Autopay" or "Automatic Payment." You will need your bank routing number and account number, which you can find at the bottom of a check or in your bank's online portal.
Once autopay is set up, you can change the payment date or pause it anytime through your online account. If your bill amount varies month to month — which is common for water bills — the system will charge whatever the current bill is on the date you choose. You will still receive a bill each month so you can verify the amount before it is charged.
If you want to cancel autopay, you can do so online or by calling customer service. There is no penalty for stopping automatic payments, and you can restart them later if you change your mind.
Paying by mail or in person
Mail payments take longer but work if you do not have online access or prefer a paper trail. Write a check or money order, include your account number on the payment, and mail it to the address shown on your bill. Allow 7 to 10 business days for the payment to reach American Water and post to your account. If you are close to a due date, mail is risky because delays can result in a late fee.
Some American Water offices accept in-person payments at their local customer service centers. Check your bill or call the number on it to find out whether a payment location exists in your area and what hours it is open. In-person payments typically post the same day.
Understanding late fees and payment deadlines
Your bill shows a due date, usually 15 to 20 days after the bill is issued. If payment is not received by that date, American Water charges a late fee. The amount varies by state and by how far past the due date the payment is. Late fees are separate from your water bill and add to what you owe.
If you miss a payment, American Water will send you a notice. If you do not pay after that notice, the company may shut off your water service. The timing before shutoff varies by state — some states require 30 days' notice, others require more. Check your state's regulations or call American Water to ask what happens if you fall behind.
If you are struggling to pay your bill, contact American Water before the due date. Many states require water utilities to offer payment plans or hardship programs for customers who cannot pay in full. American Water's customer service line can tell you what options exist in your state.
Paying a past-due balance or reconnection fee
If your service was shut off for non-payment, you will need to pay the full past-due amount plus a reconnection fee to restore water. The reconnection fee is set by American Water and varies by state, but typically ranges from $50 to $150. You must pay this in full — it cannot be split into a payment plan in most cases.
Once you pay the past-due balance and reconnection fee, American Water will restore service. The timing depends on when you pay: if you pay during business hours on a weekday, reconnection may happen the same day or the next day. Payments made on weekends or after hours will be processed the next business day, and reconnection will follow.
If you cannot afford the full past-due amount at once, call American Water before service is shut off to discuss a payment plan. Some states require utilities to offer these for hardship situations. After shutoff, your options are more limited, so reaching out early is important.
Disputing a charge or billing error
If you believe your bill is wrong — for example, if the amount is much higher than usual or you see a charge you do not recognize — contact American Water in writing within 30 days of receiving the bill. Include your account number, the bill date, and a clear explanation of what you think is incorrect. Send the letter to the address on your bill marked for billing inquiries.
American Water must investigate your dispute and respond within a set timeframe, which varies by state. During the investigation, you are not required to pay the disputed amount, though you should pay any portion of the bill you do not dispute. If American Water finds an error, they will adjust your bill and may credit your account or issue a refund.
If you disagree with American Water's response, you can file a complaint with your state's Public Utilities Commission or Public Service Commission. The commission's contact information is on American Water's website or on your bill.
Frequently Asked Questions
Is there a fee to pay online or by phone?
Online payments through amwater.com are free. Phone payments may carry a convenience fee depending on your state and whether you pay with a debit card or bank account. The fee, if charged, is shown before you complete the payment, so you can decide whether to proceed or use a different method.
What happens if I pay late by one day?
American Water charges a late fee if payment is received after the due date shown on your bill. A one-day delay still triggers the fee. The amount depends on your state and your bill amount. If you know you will be late, call customer service to ask whether they can waive the fee or set up a payment plan.
Can I pay someone else's American Water bill?
Yes, you can pay another person's bill if you have their account number. Pay online using their account number, or call customer service with the account number and make a payment over the phone. The payment will be applied to that account regardless of whose name is on the check or card.
How do I change my payment due date?
Log into your American Water account online and look for a "Billing" or "Account Settings" section. Some accounts allow you to choose your due date; others have a fixed date set by the company. If you cannot change it online, call customer service to ask whether a different due date is available in your state.
What if my payment did not post to my account?
Online and phone payments usually post within one business day. If more than one business day has passed and you do not see the payment reflected, log into your account or call customer service with the payment confirmation number. They can look up the payment and tell you when it will appear on your account.