Best Water Treatment Syestems in Frederick County, MD

Delivering Services for Wells and Water Filtration Systems for Over 40 Years

National water service truck and employees

It’s your water, shouldn’t you know what’s in it? Regardless of if you are buying a new building or catching up on repairs in your home, the top priority on your to-do list should be your water quality.


Rely on us, and you’ll see what a difference that can make. Customers we serviced thirty years ago still call us today, because they know we’re dependable, trusted, and experienced for any job they need, big or small.


We employ a master plumber and water specialists, which gives you the highest quality workmanship on every project. It doesn’t have to be difficult to trust your water systems, allow us to tackle these tasks while you relax.



It’s Your Home, Make the Water Quality Count

Home water test kit from National Water Services

If you’re living in the country or have set up residence in the city, relying on well water or using county services, your water still needs tested. The only way to ensure your water quality is the safest it can be is with a water test.


National Water Service provides you with:



We are also here for you for servicing your well pump, offering flood prevention, and providing storage solutions for both low yielding wells and irrigation systems. The best part is we leave all of our work completed neat and tidy, meaning any small tasks you handle can be completed with ease.


It’s your home, make it safe and keep it trusted.


Commercial Water Services from Restaurants to Offices

Whole foods commercial property National Water Services

Owning a business provides you with enough to handle, so don’t fall behind on water services when you can give us a call today. We service a variety of businesses, no matter what industry you work in.


National Water Service has experience from the water quality for food industry companies, to the drinking water found in office water coolers. Provide the best for your clients and employees, and allow us to handle water testing, water treatments, and well services.


We can also work with your water storage, and offer flood prevention. Our team trenches, services boosters and tanks, and provides crane services.


It doesn’t matter if you have a low yielding well or an irrigation system, your business is in good hands with our water specialists. 


Emergency Water Services, Plumbing and More in Frederick County

Emergency Well Pump National Water ServicesYour water quality matters to us, and so does your satisfaction with our customer service. We have listened to our clients, and made adjustments to our team and services to better fit your needs.


National Water Service offers non-proprietary systems, the top tools in the industry, emergency seven-day-a-week services, and have even hired a master plumber to join our staff. These resources give you the best service from any water company in the area.


Why do these changes matter? Non-proprietary systems rarely become obsolete and are generally offered at a lower cost, saving you money now and later. Our top tools include well cameras, pump hoists, and underground line finders, expediting services and improving quality.


With every-day-of-the-week emergency service, your weekend won’t be destroyed when an accident occurs. And a master plumber gives us the chance to redo your bathroom or kitchen in addition to providing gas lines for grills and generators and servicing your water heater.


When one trusted company can handle all of your needs, you know your home or business is safe.

We Service Your City! 


Ballenger Creek

Braddock Heights




Clover Hill



Green Valley






New Market

Point of Rocks