National Water Service, Highland, MD

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Verified Listing, updated on Thursday, February 27, 2020 by Matt Kopp

Opening Hours

7:00 AM – 5:00 PM
7:00 AM – 5:00 PM
7:00 AM – 5:00 PM
7:00 AM – 5:00 PM
7:00 AM – 5:00 PM
Opens in  9 h 23 min.
9 h 23 min


For 40 years, National Water Service has been installing and servicing complex water systems in Homes, Restaurants, Hotels, Hospitals, Shopping Centers & more all over the the DC, Baltimore & Frederick Metro areas.

We work with Architects, Builders & Construction Firms to create custom applications for residential & commercial water treatment, purification, as well as a complete line of well pumps, boosters, etc.

Whether on City Water or a Well System, water quality can vary quite a bit from street to street and we are happy to do a basic analysis of your water and/or existing water treatment at no charge.

Our installers are all professionally trained in both Water Treatment, Purification, Filtration and well pump services.

Company description
At National Water Service, we set the standard for home water treatment, purification, as well as a complete line of well pumps, boosters, etc. If you need it, we have it! In addition to offering outstanding service and workmanship, our staff is friendly and eager to answer any of your questions.

In dealing with Residential areas, one of the important things a homeowner needs to consider is water quality. Before any decision should be made, a well informed homeowner should have their water evaluated. It is important to note that whether on City Water or a Well System, water quality can vary quite a bit from neighborhood to neighborhood. National Water Service is happy to do a basic analysis at no charge. In addition, if extensive testing is deemed necessary, we have testing services available for virtually any contaminant at a reasonable rate.

Services include Water Treatment, Water Purification, Water Filtration, No Water, Clean Water, Drinking Water, Sediment Filtration, Reverse Osmosis, Acid Neutralizers, Water Softeners, Carbon Tanks, Iron Removal, Sulfur Removal, Ozone Purification, Radon Remediation, Ultraviolet Purification, Chlorine Removal, Stains & Smelly Water, Constant Pressure, Well Pumps, Well Pump Replacement, In-Well Camera Service, Booster Pumps, Well Disinfection, Hydro-Fracking, New Construction, Food & leak Prevention, Trenching Service, Water Tank Service, Comprehensive Lab Testing, Low Yielding Well Options, Storage Tank Options, Radon in Water Remediation & more!
Water Filtration, Water Treatment, Water Softener, Water Purification, Well Pumps, Booster Pumps, New Construction, Drinking Water, Reverse Osmosis, clean water, Iron Removal, Radon Remediation, Well Pump Replacement, Smelly Water, Chlorine Removal, Hydrofracking, Constant Pressure, Trenching Service, No Water, Sulfur Removal, Acid Neutralizer, Ozone Purification, Water Tank Service, Ultraviolet Purification, Well Disinfection, Radon in water remediation, Sediment Filtration, Carbon Tanks, Comprehensive Lab Testing, Food & leak Prevention, In-Well Camera Service, Low Yielding Well Options, Stains &amp, Storage Tank Options
Service Areas
Maryland, Washington DC, Baltimore County, Maryland, Howard County, Maryland, Virginia, Montgomery County, Maryland, Frederick, Maryland, Loudoun County, Virginia, Fairfax County, Virginia, Prince Georges County, Maryland, Anne Arundel County, Maryland
Spoken languages
Available payment methods
  • Cheque
  • Discover
  • Financing
  • Debit Card
    Debit Card
  • Invoice
  • American Express
    American Express
  • Cash
  • MasterCard
  • Visa
  • Credit Card
    Credit Card
The company National Water Service is listed in the following categories:

How To Replace a Sediment Filter

Reverse Osmosis

AiRaider for Radon in Water Remediation

How To Replace a hand tightened Sediment Filter


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        Products & Services

        Water Heater We offer a full line of Rheem & Ruud tank and tankless water heaters that are sure to be the right fit for you & your family. Whether you need high water delivery or low energy costs—or both, we have your next water heater.

        Acid Neutralizer High levels of acidic water can turn into a serious problem for your plumbing. Water with high acid content causes corrosion to your plumbing which can lead to leaks or floods. In addition, it will corrode and cause green and blue stains to form on your fixtures.

        Emergency Well Water Pump Service- No Water One of our most important jobs is emergency response. Whether we are dealing with current or new customers, businesses or home warranty company clients, if you have No Water, a flood or leak, we are here to help, 24 hours a day, 7 days a week, 365 days a year.

        Water Softener A Water Softeners eliminate the effects of hard water by removing the calcium, magnesium and other dissolved solids that are found in your water.

        Chemical Feeder One of the most commonly used, but misunderstood, Water Treatment systems is a Chemical Feeder. A Chem Feeder is among the most effective, versatile, and cost-efficient water treatment systems on the market.A Chem Feeder can treat bacteria, iron, manganese, low pH, corrosion, hydrogen
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