Delivering clean, safe, and reliable water solutions for homes and businesses throughout Prince William County for over 47 years.
National Water Service provides professional water treatment services in Prince William 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.
Homes and businesses throughout Prince William County rely on a mix of public water systems, blended surface water sources, and community or private wells. While public water is treated to meet health-based standards, water quality concerns often develop after water enters the home, influenced by plumbing materials, mineral content, and seasonal treatment adjustments.
National Water Service provides professional water treatment services in Prince William County designed to improve water quality at the point of use. Whether you’re addressing taste issues, mineral buildup, or well water concerns, our solutions are customized to local conditions and your specific water source.
Water quality in Prince William County can vary significantly depending on where you live in the county and how your water is supplied.
Many homes receive treated surface water, while others rely on groundwater through community or private wells. Although treated water remains safe to drink, residents may notice changes in hardness, chlorine taste or odor, or mineral content, especially during routine system maintenance periods.
In areas served by groundwater systems, water is often naturally harder, with higher mineral levels that can lead to scale buildup, staining, and reduced appliance efficiency. Private and community well systems also require regular monitoring, as they are not continuously tested like public supplies.
Because water sources and delivery methods differ across the county, two homes just a few miles apart can experience very different water quality issues—making professional testing essential before choosing any treatment system.
Prince William County includes urban, suburban, and rural areas, meaning water quality issues are not one-size-fits-all. Common local factors include:
Hard water and mineral buildup, which can reduce appliance efficiency and cause scale
Disinfectant taste or odor, especially during seasonal system maintenance
Iron or manganese staining, more common in well-supplied areas
Low pH or corrosive water, which can damage pipes and leach metals
Bacteria or microbial risks in private well systems
Environmental and stormwater runoff, impacting source water quality over time
Even when water is considered safe to drink, these conditions can affect comfort, plumbing lifespan, and overall water usability inside the home.
Private wells and aging plumbing systems can introduce bacteria that require disinfection or filtration.
Calcium and magnesium cause cloudy water, scale buildup, and reduced soap efficiency.
These minerals can stain fixtures, clog plumbing, and create metallic tastes.
Acidic water can corrode pipes and contribute to plumbing damage.
Stormwater runoff and surrounding land use can influence source water quality.
We test for bacteria, hardness, minerals, sediment, pH imbalance, and other locally relevant contaminants.
You receive easy-to-understand results with honest recommendations — no pressure, no guesswork.
Systems are designed specifically for 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 Prince William County homes and businesses, including:
Every system is custom-built based on test results, not assumptions.
Woodbridge
Gainesville
Manassas
Dumfries
Haymarket
Bristow
Occoquan
Nokesville
And surrounding communities
Yes. Many water quality issues originate from plumbing, fixtures, or mineral content — not the public supply.
Yes. Private wells require customized testing and treatment based on local groundwater conditions.
At least once per year, or whenever you notice changes in taste, odor, color, or pressure.
Yes. We offer professional water testing for homeowners in Prince William County.
Schedule your free water test today or call 301-781-5866 to speak with a water treatment specialist.