Common Water Problems in New Jersey & How To Fix Them Hero Image

Common Water Problems in New Jersey & How To Fix Them

Water quality in New Jersey can be a problem for many residents, whether your home uses municipal water or a private well. From hard water and iron staining to PFAS and lead contamination, New Jersey tap water problems can affect your plumbing, appliances, health, and overall comfort.

At NMP Water Systems, we provide free water testing and install high-quality American-made water treatment systems to give customers long-term peace of mind. Below are some of the most common water contaminants in NJ and the effective solutions we offer.

1. Hard Water

If you’re wondering if New Jersey water is hard or soft, the answer depends on location. Hardness varies widely by region and source; however, New Jersey hard water is still one of the most common issues residents have to deal with. Hard water contains high levels of minerals, like calcium and magnesium, which can cause limescale buildup, appliance damage, spotty dishes, and other issues.

Common Signs:

  • White scale buildup on faucets and showerheads
  • Spots on dishes and glassware
  • Rough, dull laundry
  • Soap that doesn’t lather well
  • Dry skin and hair after showering
  • Reduced appliance lifespan
  • Scale buildup in pipes and poor water pressure
  • Mineral rings in toilets, sinks, and bathtubs

Best Solution:

A professionally installed water softener treats water by removing hard minerals through an ion exchange process.

Faucet with calcified water tap

2. PFAS (Per- and Polyfluoroalkyl Substances)

PFAS contamination has been a growing concern for New Jersey residents. Water can be contaminated by PFAS from industrial sites, landfill leachate, firefighting foams, wastewater treatment plant discharge, and other sources. Like lead, PFAS have no taste, smell, or color, and they pose potential health risks.

Best Solution:

Activated carbon filtration, reverse osmosis, and ion exchange.

3. Rotten Egg Odor & Sulfur-Reducing Bacteria

If your water has a strong rotten egg smell, it’s usually caused by hydrogen sulfide gas. Sometimes the issue originates in the water heater, but the more common cause is hydrogen sulfide in your well water supply.

Sulfur-reducing bacteria can accumulate in low-oxygen groundwater wells and plumbing, converting sulfates into hydrogen sulfide gas. They may also show up in local water sources that contain high levels of iron.

Common Signs:

  • Sulfur smell
  • Black staining on silverware, fixtures, and laundry
  • Corrosion in plumbing
  • Slime buildup from sulfur bacteria coating toilet tanks or pipes

Best Solution:

The best treatment methods usually include activated carbon filters following oxidation, or an aeration system. If you only smell sulfur when running hot water, a water heater inspection is the next best step. Replacement of the anode rod may be the key to fixing the issue.

woman smelling dishwasher
  • woman itching dry skin

    4. Chlorine Taste & Odor

    Municipal water systems often use chlorine for disinfection. This means it is a common water contaminant in drinking water in New Jersey.

    Common Signs:

    • Chemical taste or swimming pool smell
    • Dry skin after bathing
    • Faded laundry

    Best Solution: A carbon filtration or reverse osmosis (RO) system removes chlorine and improves water taste and smell.

  • old pipes

    5. Lead

    Older plumbing in some New Jersey homes and public service lines can contribute to lead contamination. Lead is an odorless, colorless, tasteless contaminant that poses serious health risks. The only way to find out if there is lead in your New Jersey water is to set up water testing.

    Best Solution: Reverse osmosis, certified carbon block filters, and specialized lead filtration systems can remove dissolved lead from pipes in your home and public water systems.

  • Reverse Osmosis filters mounted on wall

    6. Nitrates

    Nitrates have no smell or taste and don’t change the appearance of water. However, they can be linked to health problems, particularly in pregnant women and babies. Nitrates notoriously cause “Blue Baby Syndrome.” Some sources of nitrates may include fertilizer runoff, industrial pollutants, and decomposing organic matter.

    Best Solution: Reverse osmosis pushes water through a specialized membrane that helps block nitrates, leaving you with pure, clean drinking water.

  • Close-up view of hand holding chemical test strip

    7. Arsenic

    Arsenic in New Jersey drinking water isn’t uncommon. It naturally occurs in groundwater sources in certain parts of the state. Arsenic causes no visible changes to water, but exposure can lead to long-term health effects, making water testing essential.

    Best Solution: Reverse osmosis or specialized arsenic removal systems.

  • Water test being performed in a lab

    8. Radon in Water

    Radon is a radioactive gas that can be present in well water. It is not visible and carries no taste or odor, but poses serious health risks. Contaminated water in New Jersey can expose residents to radon gas when water is used throughout the home.

    Best Solution: Aeration systems or granular activated carbon systems can both be effective for radon removal.

  • Sediment

    9. Sediment

    Sediment includes sand, silt, rust, and debris in water.

    Common Signs:

    • Gritty water
    • Clogged fixtures
    • Reduced water pressure
    • Appliance wear

    Best Solution: Sediment pre-filters or whole-house sediment filtration systems.

10. Discolored Water

Discolored water in New Jersey can appear yellow, brown, green, orange, or even black, depending on the cause. In New Jersey homes, discoloration is often linked to iron, manganese, sediment, tannins, corroding pipes, or disturbances in municipal water lines.

Common Signs:

  • Yellow, brown, gray, or reddish water from faucets
  • Green water alongside signs of plumbing corrosion
  • Staining in sinks, tubs, or toilets
  • Laundry stains
  • Metallic taste or smell
  • Stains on silverware
  • Water that worsens after heavy rain or plumbing work

Best Solution:

The right treatment depends on the source of the discoloration. Iron and manganese filters can remove staining minerals, sediment filters can capture rust and debris, and other filtration options can address broader contamination issues. Professional water testing is essential to determine the exact cause before installing a system.

11. Earthy, Musty, or Fishy Odors

These odors are often caused by organic matter, algae byproducts, or bacterial growth. They do not always pose a threat to your health, but they often make drinking water unpleasant.

Common Signs:

  • Bad taste or smell
  • Eye or skin irritation, especially after bathing
  • Unexplained stomach issues
  • Respiratory issues

Best Solution:

Carbon filtration, UV water treatment, or chemical disinfection are all suitable treatment methods for addressing earthy odors in water.

12. Bacteria in Water

Private wells are particularly susceptible to bacterial contamination.

Common Signs:

  • Gastrointestinal illness or other health issues
  • Cloudy water
  • Unusual odors or tastes
  • Discolored water

Best Solution:

Chemical treatment or UV purification combined with proper filtration and routine testing.

13. Iron & Iron Bacteria

Iron is especially common in well water. It can cause pipe clogs, staining throughout your home, and give your water an unpleasant flavor and smell. Iron bacteria can form inside plumbing systems as a result of high iron content.

Common Signs:

  • Metallic taste or smell
  • Orange or reddish stains in sinks, tubs, and toilets
  • Stains on laundry
  • Slime buildup in toilet tanks and pipes from iron bacteria
  • Clogged pipes or reduced water pressure

Best Solution:
Iron filtration systems, oxidation systems, and water softeners with special iron-removal media can all remove dissolved iron. Chlorination is ideal for treating high levels of iron bacteria.

Why Professional Water Testing Matters

Many contaminants, including lead, PFAS, arsenic, nitrates, and radon, cannot be seen or smelled. Additionally, well water quality changes with time and requires regular testing. You also need to know existing contaminant levels to choose the right water filter.

NMP Water Systems provides:

  • Free in-home water testing
  • Advanced lab testing for a fee (identifies contaminants like bacteria, lead, arsenic, etc.)
  • Professionals who are familiar with all types of municipal and well water problems and solutions
  • Customized treatment recommendations, including whole-house water filtration
  • High-quality, American-made systems
  • 10-year warranty on equipment and workmanship

We do not believe in one-size-fits-all solutions. Every home’s water is different, and your treatment system should match your specific water conditions. Whether you need Morristown hard water solutions or lead removal in Hackensack, we can help.

NMP Water Systems truck

Get the Right Water Treatment Solution in NJ

If you’re experiencing staining, odors, bad tastes, discolored water, or simply want peace of mind, professional testing is the first step. Contact NMP Water Systems today to schedule your free water test and discover the best water treatment solution for your New Jersey home.