301-854-1333

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Common Water Problems
About NWS
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- Our Locations
  - Darnestown MD
  - Highland MD

Menu

Home
Services
Common Water Problems
About NWS
Resources
Contact Us
- Our Locations
  - Darnestown MD
  - Highland MD

Office

What is your issue?

Water Coolers

Contact Us About Water Coolers

Kitchen Drinking Water

Contact Us About Ice Makers & Kitchen Water

Get In Touch

For over 40 years, National Water Service has been the leading water company throughout the Mid-Atlantic Region.

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Contact Info

Main Office

7249 Mink Hollow Road
Highland, MD 20777
(301) 854-1333
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Our Store
14111 Seneca Road
Darnestown, MD 20874
(410) 379-1993
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Call Us

Maryland: (301) 854-1333
Washington DC: (301) 854-1333
Baltimore: (410) 379-1993
Virginia: (540) 882-4006
Fax: (301) 854-1538

Email: info@nationalwaterservice.com

Featured Cities We Service

Clarksville, Maryland
Gaithersburg, Maryland
Germantown, Maryland
Rockville, Maryland

Featured Counties We Service

Frederick County, MD
Howard County, MD
Montgomery County, MD
Loudoun County, VA
Anne Arundel County, MD
Baltimore County, MD
Carroll County, MD
Prince George’s County, MD
Fairfax County, VA
Prince William County, VA
Washington, D.C.