Even clear-looking water can contain contaminants that affect taste, safety, plumbing, and long-term health. Across Maryland, Washington D.C., and Northern Virginia, water quality challenges vary widely between municipal supplies and private wells.
At National Water Service, we provide custom water treatment solutions designed to correct these issues — starting with professional water testing and ending with long-term treatment systems tailored to your home or business.
These water quality issues are best addressed through professionally designed water treatment systems tailored to your specific water supply.
At National Water Service, our mission is to give you clean, safe, great-tasting water — backed by over 47+ Years of trusted experience.
We start with a comprehensive water test. Our specialists analyze your tap or well water to identify exactly what’s in it — from minerals and bacteria to pH imbalance or chemical contamination.
You’ll receive a detailed water analysis report explaining what was found, how it affects your home and health, and what solutions are best for your specific water problems.
We design a personalized water treatment plan using non-proprietary, top-of-the-line systems built to last.
That means:
No locked-in service contracts
No proprietary parts
Only transparent, long-term water solutions
All installations are handled by our certified water treatment technicians, who bring decades of hands-on expertise to every job.
Your water system works best with regular care. We offer yearly inspections and maintenance to keep your equipment running efficiently, ensure filters and media are replaced on schedule, and verify that your water quality stays perfect year after year.
Our annual service plans help protect your investment and keep your home’s water clean, safe, and reliable — the National Water Service way.
Each region in the Mid-Atlantic has unique water chemistry. Even neighboring homes can experience different water issues depending on plumbing, supply source, and local conditions.
Our well water filtration systems are designed for private wells & Whole home water treatment are designed for well water & city water across Maryland, DC & Northern Virginia.
National Water Service designs water treatment systems to correct these contaminants — not just identify them.
From whole-home systems to specialized commercial solutions, we install non-proprietary water treatment equipment designed to solve specific water problems — not sell unnecessary upgrades.
Water treatment improves water quality by removing contaminants such as chlorine, sediment, PFAS, iron, sulfur, and excess minerals. It protects plumbing, extends appliance life, and provides cleaner, better-tasting water throughout the home.
Depending on the system, water treatment can remove chlorine, sediment, heavy metals, PFAS, iron, sulfur, bacteria, nitrates, and dissolved solids. Systems are customized based on your water source and test results.
Yes. Well water treatment often focuses on iron, sulfur, bacteria, and sediment, while city water treatment typically targets chlorine, PFAS, and taste or odor issues. The correct system depends on your water source.
Yes. Maintenance may include filter changes, media replacement, salt refills (for softeners), and annual inspections. Regular maintenance ensures consistent water quality and system longevity.
Yes. Treating sediment buildup and scaling can help restore proper water flow and reduce strain on plumbing, especially in homes with hard water or sediment issues.
Yes. Properly designed water treatment systems provide cleaner, safer water for drinking, bathing, cooking, and household use, making them safe for both children and pets.
Certain advanced filtration and reverse osmosis systems are designed to reduce PFAS and other “forever chemicals.” A water test is required to determine the appropriate treatment solution.
Yes. Water treatment systems are customized based on your home’s water test results, usage, and plumbing setup to ensure the most effective and efficient solution.
With over 47+ 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.
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