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Scheduled Shutdown
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12341 Chesterton Dr., Upper Marlboro, 7 am-3 pm

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WSSC Water Launches Two New Financial Assistance Programs on Dec. 1
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What's Your Pipe Type?
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Helping Homeowners Go Lead-Free

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In the event of closing...

During holidays, administrative offices are closed. 

  • Emergencies (broken water main or sewer back-up) call 301-206-4002 or email  Emergency Call Center.
  • Claims may be filed day or night by calling 301-206-7095.
  • Bill payments may be completed online or through our Interactive Voice Response System (301-206-4001) available 24 hours a day.

2025 Holiday Schedule

Thursday, December 25, 2025Christmas Day
Friday, December 26, 2025Day after Christmas Day

2026 Holiday Schedule

Thursday, January 1, 2026New Year's Day  
Friday, January 2, 2026Day after New Year's Day  
Monday, January 19, 2026Martin Luther King, Jr's, Birthday
Monday, February 16, 2026Presidents Day
Monday, May 25, 2026Memorial Day
Friday, June 19, 2026Juneteenth 
Friday, July 3, 2026(Day before) Independence Day 
Monday, September 7, 2026Labor Day
Monday, October 12, 2026Columbus Day/Indigenous People's Day
Tuesday, November 3, 2026Election Day
Wednesday, November 11, 2026Veterans Day
Thursday, November 26, 2026Thanksgiving Day
Friday, November 27, 2026(Day after) Thanksgiving
Friday, December 25, 2026Christmas Day

Customer Service 

The One-Stop Shop is open during regular business hours (8:00 a.m. - 5:00 p.m.).  

  • Customer Service - 301-206-4001
  • Monday – Friday, 8:00 a.m. - 6:00 p.m.

Watershed User

Please visit the Watershed Recreation User Program page for more information.


Information on Fire Hydrant Meters

Please visit the Fire Hydrant Meter Use page for more information.

Last Modified: December 12, 2025, 4:06 pm EST