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National Water Service

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Overview

$1,000+

Min Project Size

< $25/hr

Avg Hourly Rate

2 - 9

Employees

1984

Year Founded

ABOUT NATIONAL WATER SERVICE

Water Treatment Services

For the past 40 years, National Water Service has been setting up and maintaining intricate water systems in various locations, including homes, restaurants, hotels, hospitals, shopping centers, and more throughout the DC, Baltimore, and Frederick metro regions. We collaborate with architects, builders, and construction companies to develop tailored solutions for both residential and commercial water treatment and purification, as well as providing a full range of well pumps, boosters, and more. Water quality can significantly differ from one street to another, whether connected to city water or a well system, and we’re pleased to offer a free basic analysis of your water and/or your current water treatment system. Our installers are professionally trained experts in water treatment, purification, and filtration, and they are certified specialists in well water. Our services include well pressure tanks and water treatment solutions.
LANGUAGES SPOKEN
English
HIGHLIGHTS

$1,000+

Min Project Size

< $25/hr

Avg Hourly Rate

2 - 9

Employees

1984

Year Founded

Services
Focus
Industries
Clients
Services Provided
79% Energy & Environmental Services
21% Excavation

About the Team

OUR STORY
National Water Service, a family-owned company operating for over 47 years, has established itself as a trusted provider of clean and safe water solutions across Maryland, Washington DC, and Northern Virginia. Now in its third generation, the company blends traditional values with advanced water-treatment technologies to deliver reliable, long-lasting services tailored to regional water challenges. Their comprehensive offerings include water filtration, softening, UV treatment, reverse osmosis, well pump repair, and professional testing. Committed to transparency, professionalism, and customized solutions, National Water Service supports both residential and commercial clients, ensuring high-quality water systems that address local groundwater and infrastructure issues. Their experienced technicians provide expert guidance backed by decades of family legacy and dedication to customer satisfaction.

Projects & Clients

Project Size & Rate
Minimum Project Size

$1,000+

Average Hourly Rate

< $25/hr

Locations

Headquarters

7249 Mink Hollow Road

Highland, Maryland, United States 20777
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