WSSC Water bills can be paid online through their website, by phone, by mail, or in person at a payment center — the fastest route is their online portal if you have your account number handy.

WSSC Water serves about 1.9 million people across the Washington, D.C. area, including parts of Maryland and Virginia. Their bill pay system is straightforward: you can set up a one-time payment in minutes, or arrange automatic monthly payments so you never miss a due date. The online portal is available 24/7, while phone and in-person options have set hours.

Your bill arrives monthly and shows your due date clearly — usually 20 days from the bill date. If you pay after that date, WSSC adds a late fee. Knowing which payment method works for your situation means you can avoid that fee and keep your water service active without interruption.

Key Takeaways

  • The WSSC Water online portal at wsscwater.com is open 24/7 and requires only your account number and the amount you want to pay.
  • Automatic payments through the portal remove the risk of forgetting a due date and can be set up or cancelled anytime.
  • Phone payments (301-206-4600) take about five minutes and work during business hours, Monday through Friday.
  • Mail payments should be sent at least 10 days before your due date to arrive on time, and you must include your account number on the check.
  • Late fees explore to payments received after the due date shown on your bill, so setting a reminder or using autopay prevents this cost.

Paying online through the WSSC Water portal

Go to wsscwater.com and look for the "Pay My Bill" button on the homepage. Click it and you will be taken to a login screen. If you do not have an online account yet, select "Create Account" and enter your account number (found on your bill), email address, and a password you choose. Once logged in, the portal shows your current balance and due date.

To make a one-time payment, select the amount you want to pay and choose your payment method — debit card, credit card, or bank account. WSSC charges a small fee for credit card payments (usually 2.5% of the amount) but not for debit card or bank account transfers. Review the details, confirm the payment, and you will receive a confirmation number when ready. The payment typically posts to your account within one business day.

If you want to avoid logging in each month, set up automatic payments instead. In your account settings, select "Autopay" and choose whether you want the full bill amount or a fixed amount withdrawn each month. You can pause or cancel autopay anytime without penalty, so this is a low-risk way to may support you never miss a due date.

Paying by phone or at a payment center

Call WSSC Water's customer service line at 301-206-4600 to pay by phone. Have your account number and payment method (debit card, credit card, or bank account information) ready. A representative will walk you through the payment, confirm the amount and due date, and give you a confirmation number. Phone lines are open Monday through Friday, 7 a.m. to 6 p.m., and Saturday 8 a.m. to 4 p.m. Eastern time.

WSSC also operates payment centers in Maryland and Virginia where you can pay in person with cash, check, or card. Locations and hours vary, so visit wsscwater.com and search "payment centers" to find the one nearest you. Paying in person with cash means the payment is recorded when ready, which is useful if you are close to your due date and want to avoid mail delays.

Paying by mail

Write a check or money order for the amount due and include it in an envelope with your bill stub or a note showing your account number. Mail it to the address printed on your bill — typically WSSC Water's lockbox address in Maryland. Mail your payment at least 10 days before your due date to account for postal delays. WSSC considers a payment on time if it is received by the due date, not if it is postmarked by that date, so early mailing is important.

Do not mail cash. If you are paying by check, make it payable to "WSSC Water." Include your account number on the check itself so the payment is matched to your account correctly. If your check is lost or delayed, you will have no proof of payment unless you keep a copy of the front and back of the check or get a receipt from the post office.

What happens if you miss a due date

WSSC adds a late fee to your account if payment is not received by the due date shown on your bill. The fee amount varies but is typically a percentage of your bill. Beyond the late fee, if your bill remains unpaid for 60 days or more, WSSC may shut off your water service. Once service is shut off, you must pay the full past-due amount plus a reconnection fee to restore water.

If you know you will miss a due date, contact WSSC before the date arrives. Call 301-206-4600 and explain your situation. In some cases, WSSC can arrange a payment plan that lets you pay in installments rather than all at once, which keeps your service active while you catch up. This option is not may provide, but asking is always worth the call.

Setting up autopay to avoid late payments

Autopay is the simplest way to may support your bill is paid on time every month. Log into your WSSC Water account online, go to "Account Settings," and select "Autopay." Choose whether you want the full bill amount or a fixed amount withdrawn automatically on a date you select — typically a few days before your due date. You can change the amount, pause the service, or cancel it entirely anytime without calling customer service.

Autopay works with a bank account (no fee) or a debit card (no fee). If you use a credit card, WSSC charges a 2.5% processing fee, so autopay with a bank account or debit card is the most cost-effective option. Once autopay is active, you will still receive your monthly bill in the mail or by email, so you can review it for accuracy even though the payment happens automatically.

Frequently Asked Questions

Can I pay my WSSC bill with a credit card online?

Yes, but WSSC charges a 2.5% processing fee when you pay with a credit card through their website or by phone. Debit cards and bank account transfers have no fee, so those are cheaper options if you have them available.

What if I pay online but my payment does not show up on my bill?

Online payments typically post within one business day. If more than one business day has passed and the payment still does not appear, log into your account and check the payment history to confirm it was processed. If it shows as processed but your bill balance has not changed, contact WSSC at 301-206-4600 with your confirmation number and they will investigate.

Can I set up autopay and then cancel it later?

Yes. You can cancel autopay anytime through your online account settings without calling or paying a fee. If you cancel after a payment has already been withdrawn for the month, that payment still applies to your account — you are not charged twice.

What if I want to pay a different amount than my full bill?

You can pay any amount you choose, whether it is the full bill or a partial payment. If you pay less than the full amount due, the remaining balance carries over to your next bill and may accrue a late fee if not paid by the due date. Partial payments are useful if you are working out a payment plan with WSSC.

Is there a way to pay my WSSC bill without an online account?

Yes. You can pay by phone (301-206-4600), by mail, or in person at a payment center without creating an online account. Phone and in-person payments are processed when ready, while mail payments take 7 to 10 business days to arrive and post to your account.