Delivering clean, safe water solutions for homes and businesses throughout Baltimore County for over 47+ years.
National Water Service provides professional water treatment services across Baltimore County, MD. Whether your home is supplied by a public water system or a private well, our team helps identify water quality issues, design the right treatment solution, and protect your plumbing, appliances, and drinking water.
From older neighborhoods with aging infrastructure to rural areas relying on private wells, water conditions in Baltimore County can vary significantly from one home to the next. That’s why every solution we install is based on testing—not guesswork.
Baltimore County homeowners and businesses rely on a mix of public water systems and private wells, each presenting unique water quality challenges. Even when municipal water meets regulatory standards, water issues often originate inside the home — from aging plumbing, mineral buildup, corrosion, or environmental factors.
National Water Service provides custom water treatment solutions in Baltimore County, helping improve water taste, protect plumbing systems, and ensure long-term water safety for both residential and commercial properties.
Water quality in Baltimore County varies depending on whether your home is supplied by a municipal system or a private well.
While public water is treated to meet safety standards, factors such as aging infrastructure, disinfection chemicals, and seasonal changes can affect water quality once it reaches your home. Private well owners face additional risks due to groundwater conditions, nearby land use, and septic systems.
Because water conditions can differ even between neighboring homes, testing your specific water supply is the only reliable way to identify problems and choose the right solution.
Baltimore County’s combination of older neighborhoods, suburban development, and rural well systems creates several recurring water concerns:
Hard water and mineral buildup, which can cause scale, cloudy water, and reduced appliance efficiency
Disinfection taste and odor, commonly described as chlorine or musty smells
Lead risk in older homes, where corrosion of plumbing materials can introduce contaminants
Iron and manganese staining, especially in well-supplied areas
Low pH or corrosive water, which can damage pipes and leach metals
Bacteria or microbial risks in private well systems
Stormwater and environmental runoff, which can influence source water quality over time
Even when water is considered “safe,” these issues can impact comfort, plumbing lifespan, and overall usability.
Private wells and aging plumbing systems can allow bacteria or microorganisms to enter household water, requiring proper filtration or disinfection.
Minerals such as calcium and magnesium can cause scale buildup, dry skin, and reduced soap effectiveness.
These minerals often cause orange or black staining, metallic taste, and clogged fixtures.
Acidic water may corrode pipes and fixtures, leading to leaks and metal contamination.
Urban development and stormwater runoff can influence water quality at the source, especially during heavy rainfall.
We test for bacteria, minerals, pH, hardness, sediment, and other locally relevant factors.
You receive straightforward results with honest recommendations—no pressure, no guesswork.
Systems are designed 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 Baltimore County homes and businesses, including:
Every system is custom-built based on test results, not assumptions.
Towson
Catonsville
Owings Mills
Perry Hall
Essex
Parkville
Dundalk
Reisterstown
And surrounding communities
Yes. Many water quality issues originate from household plumbing, fixtures, or mineral content—not the public supply itself.
Yes. Private wells require targeted testing and treatment based on local groundwater conditions.
We recommend testing annually for well systems and periodically for homes with older plumbing.
Yes. We provide 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.
