Hours of Operation:
Monday – Thursday: 7am – 5pm
Friday: 7am – 4pm
Saturday & Sunday: 7am – 4pm
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
Fax: (301) 854-1538
David Rycke – President
david@nationalwaterservice.com
John McDade – Vice President / General Manager
Matt Kopp – Vice President / Director of Marketing
Heather McDade – Vice President of Sales
heather@nationalwaterservice.com
Meg Valdez – Director of Operations
Joel Samson – Website Developer Manager
Please Note: We ONLY serve Maryland, Northern VA, and Washington DC
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Our team will carefully assess your request to ensure we understand your needs.
Expect a call from our team shortly to discuss your requirements in detail.
National Water Service has been providing residential & small commercial water treatment, plumbing & well pump services for over 45 years. We specialize in water treatment, filtration & purification solutions as well as general plumbing to ensure clean, safe water for our customers in Maryland, DC & Northern Virginia.
Mon - Fri
7:00am - 5:00pm
Sat - Sun
Emergency Service Available