Delivering clean, safe, and reliable water solutions for homes and businesses throughout Loudoun County for over 47+ years.
National Water Service provides professional water treatment services in Loudoun County, VA. Whether your home is connected to a public water system or relies on a private well, we help identify water quality concerns, improve taste and safety, and protect your plumbing with customized treatment solutions designed for local conditions.
Loudoun County homeowners experience a wide range of water quality conditions depending on location. From newer suburban developments served by municipal water systems to rural properties relying on private wells, water issues often originate inside the home, not at the source.
National Water Service provides professional water treatment services across Loudoun County, helping homeowners and businesses address mineral buildup, staining, odors, bacterial concerns, and long-term plumbing protection.
Water quality in Loudoun County varies significantly depending on whether a home is served by a municipal water system or a private well.
Municipal water systems meet federal safety standards, but residents may still experience hard water, disinfectant taste or odor, and mineral-related plumbing wear after water enters the home.
Private well owners face additional challenges, including naturally occurring minerals, bacteria risks, acidic water, and sulfur odors. Because private wells are not monitored continuously, testing and treatment are essential to maintaining safe, usable water.
That’s why testing your specific water supply — rather than guessing — is the most reliable way to choose the right treatment solution.
Loudoun County includes urban, suburban, and rural areas, which means water quality concerns are not one-size-fits-all. Common factors affecting water quality in Loudoun County homes include:
Hard water and mineral buildup, which can reduce appliance efficiency and leave scale on fixtures
Iron and manganese staining, particularly in well-fed areas
Sulfur odors, often described as a “rotten egg” smell
Low pH or corrosive water, which can damage plumbing and leach metals
Bacterial or microbial risks in private well systems
Seasonal taste or odor changes related to source water conditions
Even when water meets regulatory standards, these conditions can impact comfort, plumbing lifespan, and overall water usability inside the home.
Private wells may be vulnerable to bacteria if well caps, casings, or nearby septic systems fail.
Calcium and magnesium minerals cause scale, cloudy water, soap inefficiency, and reduced appliance lifespan.
These minerals cause staining, metallic taste, and clogged plumbing fixtures.
Acidic water can corrode pipes, damage fixtures, and introduce metals into drinking water.
Surface water influence and land use changes can affect groundwater quality over time.
We test for bacteria, hardness, iron, pH, sediment, and other locally relevant contaminants.
You receive straightforward results with honest recommendations — no pressure, no guesswork.
Systems are selected based on your water source, home size, and usage needs.
Installed by licensed professionals with optional service and maintenance plans available.
National Water Service provides a full range of water treatment solutions for Loudoun County homes and businesses, including:
Every system is custom-built based on test results, not assumptions.
Ashburn
Sterling
Leesburg
Purcellville
Middleburg
Hamilton
Lovettsville
South Riding
Brambleton
And surrounding communities
Yes. Many water quality issues originate inside the home from plumbing, fixtures, or mineral content — not the public supply.
Yes. Private wells often require filtration, disinfection, and mineral treatment tailored to local groundwater conditions.
Private well owners should test annually. Municipal water users should test if experiencing changes in taste, odor, or pressure.
Yes. We offer professional water testing to help identify the right solution for your home.
Schedule your free water test today or call 301-781-5866 to speak with a water treatment specialist.
