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Reported Water Main Breaks and Leaks
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Contact Pay Bill Report an Emergency Financial Assistance Permits
Customer Service
301-206-4001 
Weekdays: 8:00 am - 6:00 pm 
Email: Customer Service
One Stop Shop
Weekdays: 8:00 am - 5:00 pm
Interactive Voice Response System
301-206-4001
24 hours, 7 days/week
Toll-Free: 800-828-6439
TTY: 301-206-8345
Visit Customer Service

WSSC Water offers five ways to pay your bill: Online, by Phone, by Mobile App, by Drive-Thru, by Mail and in Person. Go to Pay My Bill for more information.

Pay Your Bill Now

If you're experiencing a water emergency, such as a broken water main, or a sewer emergency, report it using our mobile app, email the Emergency Services Center, or call us at 301-206-4002.

Report a Problem

We're here to help. Eligible residential customers may start a pay plan or learn more about all of the financial assistance resources. Get started by going to Flexible Pay Plans.

Financial Assistance Programs

Permit Services is open Monday-Friday, 7 a.m.-4 p.m. except Wednesdays, 7 a.m.- Noon. Call us at 301-206-4003 for more information.

Go to ePermitting

Learn More about Permit Services

Who is eligible?

All residential and commercial customers with a total balance of $50 or more.

What are the benefits?

By establishing a flexible payment plan for past-due water and sewer bills and staying current with the plan, customers will avoid late fees and possible water service turnoffs.

Both property owners and tenants are eligible to use the bilingual PromisePay Portal, which allows customers to:

  • Sign up online or over the phone by calling 301-900-5551.
  • Conveniently pay using credit or debit card, ACH, Apple Pay and Google Pay.
  • Receive text reminders and notifications.
  • Manage payments, request allowable extensions, modify due dates and change payment methods.

Need your WSSC Water Account Number?

Try our Account Look-up Tool

More Financial Assistance Program Information

The WSSC Water Fund

The Water Fund provides assistance to customers in financial need and is funded entirely by contributions from customers, employees, and other sources...

Customer Assistance Program (CAP)

WSSC Water has a Customer Assistance Program (CAP) that provides financial assistance to approved residential customers. Customers are requi...

Billing Adjustment Request

If you receive a larger-than-expected bill, you might be able to request a billing adjustment. Keep reading to learn if you're eligible, and if so, ho...

Last Modified: December 29, 2025, 2:14 pm EST