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National Water Service

National Water Service

7249 Mink Hollow Road, Highland, Maryland, 20777

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(301) 854-1333 (Telephone)

(301) 854-1333 (Mobile)

(301) 854-1538 (Fax)

Work hours
MO 07:00 – 17:00 SA 07:00 – 16:00
TU 07:00 – 17:00 SU 07:00 – 16:00
WE 07:00 – 17:00
TH 07:00 – 17:00
FR 07:00 – 16:00
National Water Service cover
Description For over forty years, National Water Service has been installing and servicing water systems for residential homes and commercial properties throughout DC, Maryland, and Virginia. As a five-star rated water treatment company, they offer water testing, water treatment solutions, well pump services, water heaters, general plumbing, and more. Whether on city water or on well water, they have the experts to come out and handle any water service, including purification, filtration, and more.
Founded 1979
Products Services:
city water, well water, homes, businesses, well pumps, water heaters, reverse osmosis systems, replacements, repairs, inspections, purification, ro systems, general filtration, whole house systems, businesses, under the sink

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