Is New Jersey's Water Safe? Insights into Your Home's Pipes
Living in a place with safe drinking water is always a benefit. With 9 out of 10 homes in the U.S. getting their water from a public water system regulated by the EPA, your chances of living in an area with good water quality are high. But is New Jersey’s water safe?
The short answer is: maybe. It all depends on where you live in the state and how old your home is.
What’s Really Flowing Through Your Tap?
New Jersey has one of the oldest drinking water systems in the country, with pipes in some communities dating back more than a century. While most municipal water meets federal safety standards, what happens to that water once it travels through aging infrastructure—and then through your home’s pipes—can change its quality.
Water quality isn’t just about how your water looks or tastes, though those factors do matter. It’s about what’s in the water that could pose risks to your family. Understanding the data behind New Jersey drinking water quality, and knowing what steps you can take to improve it, is the first step to protecting your household.
The State of New Jersey Water: The Facts
New Jersey benefits from one of the most closely regulated drinking water systems in the U.S. The state consistently sets standards that are stricter than federal EPA limits. But stricter rules also mean more frequent detection of contaminants, especially in older systems.
According to the New Jersey Department of Environmental Protection (NJDEP) and EPA reporting:
More than 1.4 million people in New Jersey use drinking water from systems that have high levels of lead.
New Jersey has identified more than 350,000 known or suspected lead service lines, one of the highest totals in the nation.
The EPA reports 22,547 contaminant detections across New Jersey’s tap water system.
About 8 million residents are currently using contaminated water.
All of this data alone explains why so many homeowners ask whether New Jersey’s tap water is safe to drink.
You can explore localized data for your area using public tools like:
What Are the Main Water Problems in New Jersey?
In New Jersey, you’re most likely to encounter issues tied to infrastructure, not treatment quality. The most common water quality concerns in New Jersey are tied to lead, PFAS, disinfection byproducts, nitrates, VOCs, and certain metals.
Lead
Lead doesn’t usually come from the water source itself. Lead contamination in New Jersey water comes from pipes, solder, and fixtures, especially in homes built before 1986. Even low levels can pose health risks, particularly in children and pregnant women.
PFAS
Per- and polyfluoroalkyl substances (PFAS) were widely used in industrial and consumer products for decades. You’ll find higher concentrations near former manufacturing sites, military bases, and airports. PFAS (aka “forever chemicals”) in NJ water have been detected in recent years.
Disinfection Byproducts (TTHMs and HAA5)
Disinfection byproducts form when disinfectants like chlorine react with organic matter in water. They are more commonly detected in larger or older water systems and are regulated under state and federal drinking water standards.
Nitrates
Nitrates tend to appear more frequently in agricultural areas and in private well-water systems in New Jersey, where fertilizer runoff and septic systems can affect groundwater quality.
Volatile Organic Compounds (VOCs)
VOCs, which include certain industrial solvents and chemicals, are typically associated with localized groundwater contamination near former industrial sites, landfills, or Superfund locations.
Iron and Manganese
Iron and manganese are naturally occurring metals that humans need in small doses but can be harmful at high levels. These are often linked to natural groundwater conditions or pipe corrosion.
Discolored or Metallic Tasting Water
While some contaminants raise health concerns, others primarily affect how water looks, smells, or tastes. New Jersey residents often experience water discoloration, especially in older neighborhoods. Water may appear yellow, brown, or reddish, or have a noticeable metallic or bitter taste.
What causes it?
In most cases, these issues are linked to iron, copper, manganese, or zinc in the water. These metals can cause:
Rust-colored stains in sinks, tubs, and toilets
Metallic or unpleasant tastes
Cloudy or discolored water when first turning on the tap
Older pipes and aging plumbing systems can allow iron and manganese to enter tap water more easily, particularly when corrosion occurs inside the pipes.
Is discolored water dangerous?
Iron and manganese are primarily considered aesthetic contaminants, meaning they affect how water looks, smells, and tastes rather than posing a serious health risk. However, elevated levels can:
Make water unappealing to drink
Stain laundry and fixtures
Cause buildup in appliances and plumbing
If discoloration appears suddenly or persists, it may indicate changes in the water supply or plumbing that should be addressed.
How homeowners can address the issue
Depending on the source, solutions may include:
Flushing the tap to clear standing water
Having your water tested to confirm iron or manganese levels
Installing a water purification and filtration system for your home, which can reduce mineral buildup
Discover what all the colors of water can mean in our article on common reasons for discolored water.
Aging Water Infrastructure and Your Home’s Pipes
Municipal water in New Jersey is treated and tested to meet state and federal standards. But “safe” doesn’t always mean “risk-free,” especially in older homes or areas with known contamination history.
You can receive clean, treated water from your municipality and still experience contamination once it reaches your faucet.
If your home was built:
Before 1950: You may have lead service lines or galvanized steel pipes
Before 1986: You may have lead solder connecting copper pipes.
As pipes corrode, metals can leach into water you drink and bathe in. This is why two homes on the same street can have very different water quality results. Homes with lead service lines can show elevated lead levels even when municipal water meets all safety standards.
If you’re unsure what type of pipes are in your home, a licensed plumber can help identify them during a routine inspection. Regular maintenance checks can also catch corrosion early.
It’s also important to know your water's source. If you rely on a private well, you’ll want to take extra precautions. This is where testing and filtration become important tools of proactive prevention.
How Do You Test and Improve Your Home’s Water Quality?
You don’t need to guess what’s in your water. You have several options.
Review Your Local Water Quality Report
You can request or download your municipality’s Consumer Confidence Report (CCR). These reports summarize detected contaminants and compliance status. Your local CCRs for tap water safety by county in NJ are on the EPA website.Test Private Wells Annually
If you use a well, annual testing is essential. The CDC recommends regular testing for bacteria, nitrates, and metals.Install a Water Purification or Filtration System
If testing reveals concerns, or if you want extra peace of mind, whole-home or point-of-use filtration can significantly reduce contaminants like lead and PFAS.Address Aging Plumbing Lines
Replacing corroded pipes or lead service lines can dramatically improve water quality and protect long-term home value. Sewer and pipe replacement services are available through A.J. Perri.
New Jersey’s Climate and Future Water Risks
Homeowners in New Jersey also face challenges that extend beyond pipes.
As storms become more intense, flooding can overwhelm sewer systems and spread contaminants into groundwater. Coastal and low-lying areas are particularly vulnerable. You can track beach and coastal water through the New Jersey Department of Environmental Protection's Monitoring Program.
Heavier rainfall, rising groundwater, and aging systems increase the likelihood of corrosion, backflow issues, and contamination events.
Putting Data Into Perspective
You might hear comparisons between states and wonder which has the most water problems. States with older infrastructure and dense populations, like New Jersey, tend to report more issues because they test more aggressively and set stricter standards.
The most frequently identified contaminant in New Jersey remains lead, largely due to legacy infrastructure rather than current treatment.
That distinction matters. It means solutions are available and effective at the household level.
A.J. Perri’s Perspective: What This Means for You
You don’t need to panic about your water. But you do deserve clarity.
If your home is older, if you’re planning renovations, or if you simply want reassurance, professional plumbing evaluations can help identify if your New Jersey water is safe. Routine maintenance can uncover corrosion before it becomes a health concern, and filtration systems can provide an extra layer of protection for drinking, bathing, and even swimming pool fill water.
A.J. Perri has been your neighborhood plumbing expert for over 40 years, offering local insight into the state’s unique infrastructure challenges. When questions come up about water quality, pipes, or filtration, you have experienced help close to home.
Schedule a professional water evaluation with A.J. Perri today or call us at 732-733-2541 for peace of mind about your home’s water.