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Maryland, DC & Northern VA

National Water Services is proud to offer all the water treatment, plumbing and well pump services you need for your home or business. From small faucet replacements to major water treatment installations, we have you covered for all things water in Maryland, DC, and Northern VA.

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FAQ

Contact – Frequently Asked Questions (FAQ)
What areas does National Water Service cover?

We proudly provide water treatment, well pump, and plumbing services in Maryland, Washington, D.C., and Northern Virginia. Key service areas include Howard County, Montgomery County, Baltimore, and Fairfax County.

We specialize in:

  • Water treatment systems (softeners, filtration, reverse osmosis)

  • Well pump installation and repair

  • Plumbing and mechanical services

  • Preventative maintenance for water systems

To book a service or free consultation, call us at 301-854-1333 or use our online contact form. A team member will respond within one business day.

Yes! We provide free in-home water testing to evaluate your water’s quality and recommend the most effective solutions

While we do not offer 24/7 emergency service, we prioritize urgent water system issues during regular business hours. Call us for immediate support.

We work with trusted brands including Clack, Grundfos, Pro-Glass, and others. We can also maintain or upgrade existing systems from most manufacturers.

Yes, we offer financing for water treatment systems, well pump installations, and more. Contact us for eligibility and affordable payment plans.

We can provide general pricing by phone, but on-site evaluations ensure accurate quotes. These evaluations are free and come with no obligation.

Annual maintenance is recommended for most systems to ensure efficiency, water quality, and equipment longevity.

Our office is located in Woodbine, Maryland. We serve residential and commercial customers by appointment. Please contact us before visiting.

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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.