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 through our Interactive Voice Response System (301-206-4001) available 24 hours a day.

2021 Holiday Schedule

Friday, January 1, 2021

New Year’s Day

Monday, January 18, 2021

Martin Luther King, Jr Day

Wednesday, January 20, 2021

Inauguration Day

Monday, February 15, 2021

President’s Day

Monday, May 31, 2021

Memorial Day

Monday, July 5, 2021

(Day after) Independence Day

Monday, September 6, 2021

Labor Day

Monday, October 11, 2021

Columbus Day

Thursday, November 11, 2021

Veterans Day

Thursday, November 25, 2021

Thanksgiving Day

Friday, November 26, 2021

(Day after) Thanksgiving

Friday, December 24, 2021

(Day before) Christmas Day  

Customer Service

The One-Stop Shop is open during regular business hours by appointment only. To schedule an in-person appointment, call to speak with a Customer Service Advisor. More information can be found here.

  • Customer Service - 301-206-4001
  • Monday – Friday, 7:30 a.m. – 7:00 p.m. 

Watershed User

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

Information on Fire Hydrant Meters

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

Last Modified: April 2, 2021, 9:02 am EDT