Water Treatment | Plumbing | Well Pumps
For more than 45 years, National Water Service has been a trusted, family-run provider of reliable, clean, and safe water solutions across Maryland, Washington DC, and Northern Virginia. Built on decades of experience, our legacy continues to guide every service we deliver.
Learn more about our full range of solutions on our Services page.
Our commitment to quality has been passed down through three generations, blending traditional knowledge with today’s advanced water-treatment technology. This family legacy ensures every customer receives reliable, long-lasting results.
Discover how our experts can help with water treatment, plumbing services, and well pump installation and repair.
Every service we provide reflects our dedication to transparency, professionalism, and long-term water quality. Whether you need cleaner water, stronger water pressure, or dependable well-pump performance, our team is here to help.
Ready to improve your water quality? Contact us today to schedule a service with our experienced team.
We use & implement state-of-the-art tools and technologies.
Experts make sure to give you tailores solutions based on your wants and needs.
Ensuring your systems stay effective for years to come.
National Water Service is a family-owned and operated company with over 45 years of experience, specializing in water treatment, plumbing, and well pump services. We serve residential and small commercial clients across Maryland, Washington, D.C., and Northern Virginia, providing clean, safe, and reliable water solutions.
We offer a comprehensive range of services, including:
Water treatment solutions (filtration, purification, softening)
We have been proudly serving our community for over 45 years, building a reputation for trust, quality service, and expert water solutions.
Yes, National Water Service remains a family-owned business, now in its third generation. We continue to uphold our founding values, ensuring personalized, customer-first service while embracing modern water treatment technologies.
Our service area includes:
Maryland
Washington, D.C.
Northern Virginia
We are committed to providing top-notch water services to clients throughout these regions.
Our decades-long experience, family-owned legacy, and commitment to customer satisfaction distinguish us from others. We combine traditional values with modern technology to deliver reliable and efficient water solutions tailored to each client’s needs.
You can reach us by phone at +1 (301)-854-1333 or via email at service@nationalwaterservice.com. For more information or to schedule a service, please visit our Contact Page.
With over 45+ years of experience in water repair and management, we are proud to offer dedicated Water Techs & Master Plumbers to homes and businesses. Get affordable pricing, competitive quotes, and quality materials that last.
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 Operations
Heather McDade – Vice President of Sales
heather@nationalwaterservice.com
Becky Polimeni – Office Manager
becky@nationalwaterservice.com
Joel Samson – Website Developer Manager