About Us | National Water Service

Your Trusted Partner for Water Treatment, Plumbing, and Well Pump Needs

Water Treatment | Plumbing | Well Pumps

About us

Why Us?​ 45+ Years Experience Clean Safe Water Trusted by Homeowners 5-Star Service

Our Legacy of Quality Water Service

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.

  • Over four decades of industry expertise
  • Trusted by homeowners, businesses, and communities
  • A reputation for honest, dependable service
  • Deep roots serving the Mid-Atlantic region

Learn more about our full range of solutions on our Services page.

Years

0 +
Services
0 +
Reviews
0 +

Three Generations of Water Experts

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.

  • Expertise shaped by decades of real-world service
  • A balanced approach of tradition and innovation
  • Skilled technicians trained in modern systems
  • A continued focus on customer trust and satisfaction

Discover how our experts can help with water treatment, plumbing services, and well pump installation and repair.

A Lasting Commitment to Our Customers

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.

a group of men working on a machine

Staying Ahead of the Curve

Worldwide Innovation You Can Rely On

At National Water Service, we’re not just keeping up with industry trends—we’re leading the way. We shop the world for the best products, testing cutting-edge technologies and integrating advanced solutions to ensure your water treatment, plumbing, and well systems are efficient, reliable, and future-ready.

Homes

Facilities

Restaurants

Hotels

Builders

Shops

Why It Matters

The best for everyone

Latest Technology:

We use & implement state-of-the-art tools and technologies.

Tailored Solutions:

Experts make sure to give you tailores solutions based on your wants and needs.

Future-Proof results:

Ensuring your systems stay effective for years to come.

a group of men working on a machine

FAQ

What is National Water Service?

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:

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.

a group of tools on a blueprint

Trust Our Maryland, DC and Northern Virginia Water Treatment, Well Pump & Plumbing Experts

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.

GENERAL CONTACT INFO

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

david@nationalwaterservice.com

John McDade – Vice President / General Manager

john@nationalwaterservice.com

Matt Kopp – Vice President / Director of Operations 

matt@nationalwaterservice.com

Heather McDade – Vice President of Sales

heather@nationalwaterservice.com

Becky Polimeni – Office Manager 

becky@nationalwaterservice.com

Joel Samson – Website Developer Manager 

joel@nationalwaterservice.com