Services | National Water Service

Expert water treatment, well pump and plumbing services for homes and businesses

Water Treatment | Plumbing | Well Pumps

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301-854-1333

From expert water treatment solutions to plumbing services and well pump installations, we’ve got you covered. Whether you need safe drinking water, a dependable water supply, or urgent plumbing repairs, our team is here to help. Trust our expertise to keep your water flowing smoothly—efficiently and affordably.

Water Treatment

Plumbing

Well Pumps

Installation Services

Industry Experts & Certified Pro's With Decades Of Experience

At National Water Service, we deliver expert installations from certified professionals using industry-leading products. We install, upgrade, and commission well pump systems, water treatment systems, and plumbing systems to ensure long-term performance and reliability.

Some Of Our Specialized Installation Services:

Reverse Osmosis Water Filtration Systems for purified drinking water
Tankless Water Heater Installations for energy-efficient hot water
Well Pump Installations for reliable water flow
Plumbing Installations for new builds and system upgrades
Full system testing and quality assurance
And more — custom installations tailored to your property

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

Repair Services

Fast, Reliable Repairs for Well, Water, and Plumbing Systems

Our technicians provide fast, reliable repairs for well pumps, water treatment systems, and plumbing. If you have no water, low pressure, or a malfunctioning water heater, we diagnose the root cause and restore system performance quickly and safely.

Repair Highlights:

Water treatment system repairs (RO, softeners, filtration) — learn more
Tankless & conventional water heater repairs — tankless services
Emergency well pump and pressure system repairs — well pump services
Leak detection, drain clearing, and general plumbing repairs
Comprehensive water testing to identify quality issues

Water Emergency? No Water?

Yearly Maintenance Services

Comprehensive Care to Keep Your Water Systems Performing Like New

Keep systems running like new with our annual maintenance plans. Regular servicing prevents failures, extends equipment life, and preserves water quality.

Maintenance Services Include:

Filter replacements for reverse osmosis and whole-house systems
Media renewal (carbon, resin) and UV bulb replacement
Well pump & pressure tank inspections and tune-ups — details
Tankless water heater descaling and performance checks — more info
Annual water testing & customized treatment adjustments

Maintenance customers enjoy priority scheduling and exclusive discounts on repairs and upgrades.

Experience the Difference

Discover how our network of trusted partners enhances the quality and reliability of our services. Contact Us to learn more or to schedule a consultation.

Well & Plumbing System Maintenance

Well Pump & Pressure Tank Inspections – Annual performance checks to ensure consistent pressure and reliable water flow.
Tankless Water Heater Descaling – Professional cleaning and flushing to improve efficiency and prevent mineral buildup.
Leak Detection Services – Identifying hidden leaks early to avoid costly repairs and property damage.

Water Testing & Quality Assurance

Annual Water Testing – Comprehensive analysis including bacteria, pH, hardness, iron, and other key water quality indicators.
Customized Treatment Adjustments – We fine-tune your system based on test results for optimal performance and clean, safe water.

Priority Benefits for Annual Maintenance

Exclusive Service Discounts – Reduced rates on repairs, replacements, and system upgrades.
Priority Scheduling – Faster response times and preferred booking for service calls.
Expert Support – Direct access to our certified water specialists for system guidance and recommendations.

Stay proactive with National Water Service’s Annual Water Treatment Maintenance — keeping your water clean, safe, and your systems running efficiently all year long.

FAQ

What services does National Water Service provide?

National Water Service offers a comprehensive range of services, including:

Water Treatment: Installation and maintenance of systems like reverse osmosis, water softeners, and whole-house filtration.
Plumbing & Mechanical: Services ranging from new installations to repairs, including tankless water heaters and general plumbing solutions.
Well Pump Services: Installation, repair, and maintenance of well pumps to ensure reliable water flow.

Do you install reverse osmosis (RO) systems?

Yes, we specialize in installing reverse osmosis water filtration systems to provide purified drinking water for your home or business.

Can you help with low water pressure issues?

Absolutely. Our team can diagnose and address low water pressure problems, ensuring consistent and reliable water flow throughout your property.

What areas do you serve?

We proudly serve residential and commercial clients in Maryland, Washington, D.C., and Northern Virginia, including areas like Montgomery County, Howard County, and Fairfax County.

Do you offer emergency services?

Yes, we provide emergency services for urgent issues like no water situations, plumbing leaks, and well pump failures.

How often should I schedule maintenance for my water systems?

Regular maintenance is crucial. We recommend annual check-ups for systems like water softeners, reverse osmosis units, and well pumps to ensure optimal performance and longevity.

What brands or products do you work with?

We utilize industry-leading products and equipment to ensure quality and reliability in all our installations and services.

How can I schedule a service or consultation?

You can contact us directly at (301) 854-1333 or fill out the contact form on our website to schedule a service or free consultation.