Water Treatment Services in Howard County, MD

Delivering Water Solutions and Water Filtration Systems for Over 40 Years

National water service truck and employees

From the showerhead to the kitchen sink, do you know what’s in your water? The top priority for any business owner or homeowner is the water quality in your pipes, whether you’re just buying or catching up on old repairs.

Our customers know they can trust us to maintain their water systems, that’s why they still call us for systems we installed over 30 years ago. We provide reliable, trusted, and experienced employees for every job, big or small.

With water treatment specialists and a master plumber alike, our goal is to provide you with the highest quality workmanship on every task.

Contact us today to see what a difference reliable water company can do for you in your life. 




It’s Your Home, Make the Water Quality Count

NationalWater Service Home water test kitYou might think water is better in the city versus the country, or your well water surpasses county water systems. The truth is, though, water quality solutions varies from neighborhood to neighborhood, and the only way to ensure your water is safe is with a water test.

Let National Water Service provide you with a free basic analysis, and offer you reasonable rates on any further testing needed to help you stay within budget.

We’re available to you if you are in need of solutions for:



Don’t worry about navigating your system later, we leave all our work neat and tidy, so any small tasks you want to handle can be done with ease. With National Water Service, the hassles in life become managable. 


Commercial Water Services from Restaurants to Offices

Whole foods commercial property water servicesWhen you own a business, you have enough to handle without concerns about your water systems. That’s why we offer you commercial water services for a variety of businesses, no matter where your work takes you.

Our experience expands from the office’s water cooler to the water you rely on for your food services. Allow your employees and clients to have access to safe water with our testing, water treatment, and well services.


Additional offers include water storage, flood prevention, trenching, crane services, and boosters and tanks. Regardless of a low yielding well or irrigation system, we can handle the job.


Contact us today to see how we can assist your business, hassle free.




Emergency Water Services, Plumbing Service in Howard County

Emergency water servicesCustomer satisfaction is the top concern for our business, which is why we’ve listened to what our clients have wanted. Emergency seven-day-a-week services, a plumber on staff, non-proprietary systems, the top tools in the industry: all of these services and more are what we utilize to exceed expectations.


Non-proprietary systems are generally offered at a lower cost, and with a longer lifespan attached, saving you money now and later. Top tools from well cameras to pump hoists let us service you with the highest grade technology available for better quality service.


Now, our one business can redo your kitchen or bathroom, provide gas lines for generators and grills, and service your water heater, making the work consistent and the trust unbeatable. Let us service you today, and experience the ease of a one-stop-shop for all water needs. 

Cities we operate in 









Ellicott City



North Laurel




West Friendship