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Customer Service Call Center & in-person service desk closing at noon on June 17 & 18

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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

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Basic page

Plumbers, Cross-Connection Technicians, & Trainers

Essential information for Cross-Connection Technicians, Licensed Plumbers, and Trainers/Instructors of Cross-Connection/Backflow Prevention Certification Programs.Find details on backflow training, te...

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Commercial / Industrial Customers

Key information on how to comply with cross-connection control and backflow prevention requirements.

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Residential Customers

Essential information for residential water customers. Learn about cross-connection control, backflow prevention, and how you can help protect your home water system and the WSSC Water supply.

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Pollution Prevention and Control

To keep certain pollutants, such as mercury, out of the water, we need your help. Learn more about what you can do.

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Cross-Connection Control & Backflow Prevention

WSSC Water started the Cross-Connection Control Program to keep the drinking water safe for everyone. Unprotected or improperly protected cross-connections and backflow can create unsafe drinking wate...

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Green Bond Program

WSSC Water's Green Bond Program adds a new level of commitment to our long-standing pledge to protect the environment - a financial commitment.

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Industrial Discharge Control Program

WSSC Water's Industrial Discharge Control Program, recognized as an Outstanding Pretreatment Program, was formed to regulate and monitor industrial discharges to the sewer system.

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Partnering to Protect Clean Water

Our FOG program is key to preventing sanitary sewer overflows, sewage backups and sewage spills.

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SLBE and MBE Programs

An overview of WSSC Water's Small Local Business Enterprises Program and Minority Business Enterprises Program. 

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SR3 Program

Projects in the SR3 Program will take place within three areas: roads, laterals, and environmentally sensitive areas.

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