Quality Matters at National Water Service


Well cap and casing conduit performed by National Water Service

Firstly, National Water Service is dedicated to delivering quality solutions. Furthermore, we pride ourselves on our ability to problem solve, foster creativity, and promote an environment fit for people from all walks of life. To clarify, this includes a commitment to providing equal opportunity employment and encouraging pathways for employees to flourish. Also, we believe in delivering the same level of quality to our personnel as we do to our clients and believe. In other words, through strengthening our bonds to each other, we can make the world a better place one drop at a time.

Where we Serve

Further, we set the standard for in home and commercial water treatment and water purification. Also, we offer a complete line of well pumps and well pump boosters. Moreover, for over 40 years we have installed and serviced complex water systems in restaurants, hotels, hospitals, shopping centers, and government facilities. Additionally, we operate in the Washington DC, Maryland, and Virginia area. That is to say, in a host of counties including: Anne Arundel County, Baltimore County, Carroll County, Frederick County, Howard County, Montgomery County, Prince George’s County. Also, in Louden County, Fairfax County, and Prince William County. Further, we work with architects, builders, and construction firms to create custom applications for water treatment, water purification, well pump services well enclosures, water heater services and more.

Why Us

Most importantly, our technicians are professionally trained, our prices are competitive and every installation includes a follow up inspection for quality assurance. Above all, we believe in investing in our staff and our community. 

Quality Service Near You
We are located in Maryland, however, we operate in a host of counties and cities in the dc metro area as well as in northern Virginia.
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Highland Office


Monday – Thursday: 7am – 5pm

Friday: 7am – 4pm

Saturday and Sunday Phone Hours: 7am – 4pm

Darnestown Office


Currently Closed due to COVID-19

General Information

7 days a week Emergency Help:  (800) 232-3506 or (301) 854-1333

Maryland:  (301) 854-1333

Washington DC:  (301) 854-1333

Baltimore:  (410) 379-1993

Virginia: (301) 854-1333

Fax:  (301) 854-1538

David Rycke – President


John McDade – General Manager


Nicole Warren – Office Manager


Matt Kopp – Director of Marketing 


Yaw Owusu – Marketing/SEO Specialist


Megan McInerney – Billing Department


Heather McDade – Sales Department