Paterson’s Water Comes From One of New Jersey’s Most Challenged Rivers. Here’s What That Means for Your Tap.

The Passaic River has a complicated water quality history, and Paterson sits at the center of it. The Passaic Valley Water Commission treats river water to regulatory compliance before distributing it to Paterson homes — but treatment doesn’t eliminate every contributor to bad taste and smell at the tap. Chloramine chemistry from the disinfection process, disinfection byproducts that form during distribution, the particular plumbing inside Paterson’s older homes, and seasonal source water variation all shape the water experience that Paterson homeowners actually have. Understanding what’s driving the specific symptom in your home is the first step toward fixing it. Professional water testing in Paterson is where that starts.

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Chloramines and the Passaic River’s Surface Water Chemistry

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The Passaic Valley Water Commission uses chloramine as its primary disinfectant u2014 a chlorine-ammonia compound that maintains disinfecting effectiveness through Paterson’s extensive distribution network. The Passaic River is a surface water source with a high organic load from watershed inputs u2014 industrial runoff, agricultural drainage, and natural organic material from the river’s extensive watershed. The interaction between chloramine and that organic material during distribution produces trihalomethanes and haloacetic acids u2014 disinfection byproducts that are regulated but contribute meaningfully to the taste and odor profile of Paterson tap water.

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What homeowners notice: a persistent chemical or bleach-like smell from the tap, a flat or slightly medicinal taste in drinking water and coffee, and sometimes skin or eye irritation in the shower. The EPA’s drinking water standards regulate chloramine at safe levels u2014 but the taste profile of surface water treated with chloramine, particularly from an organically rich river source like the Passaic, tends to be more pronounced than in groundwater-sourced supplies.

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Lead and Aging Interior Plumbing u2014 The Paterson-Specific Concern

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Paterson has some of the oldest housing stock in New Jersey u2014 the city’s industrial heritage means a residential inventory that frequently dates to the 1910s, 1920s, and 1930s, with lead solder at interior pipe joints installed as standard practice long before the dangers were understood. The Passaic Valley Water Commission’s treated water arrives at Paterson homes lead-free. What happens inside those homes’ aging plumbing is a property-specific question.

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What homeowners notice: a metallic or astringent taste in the first glass drawn in the morning, improving noticeably after running the tap for thirty seconds to a minute. This pattern points specifically to interior plumbing as the metallic taste source u2014 water that’s sat overnight in contact with older pipe materials picking up dissolved metals. A tap-level water test at the kitchen faucet answers this directly, in ways neither the utility’s annual report nor the distribution system infrastructure work can.

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Hydrogen Sulfide u2014 Rotten Egg Smell in Hot Water Systems

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Paterson is predominantly a municipal water community, so groundwater hydrogen sulfide is less common here than in rural Passaic County communities on private wells. The rotten egg odor still appears in Paterson homes, however u2014 most often from water heaters. Sulfur-reducing bacteria that react with a water heater’s magnesium anode rod produce hydrogen sulfide in the hot water tank, creating a sulfur smell that appears only at hot water taps. The cold water is fine; the hot water is not.

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This is a tank-specific issue rather than a supply problem. The fix typically involves replacing the anode rod with an aluminum or zinc alternative, or treating bacterial growth in the tank. It doesn’t require whole-home treatment. The CDC’s drinking water resources cover what different taste and odor patterns indicate.

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Seasonal Source Water Variation u2014 The Passaic River’s Seasonal Influence

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The Passaic River’s water quality changes significantly with the seasons. Spring runoff introduces organic material from vegetation and soil throughout the watershed; summer brings warmer water temperatures that accelerate algae growth; fall delivers leaf decomposition that changes the organic profile of source water. The PVWC adjusts treatment in response, but those adjustments can produce temporary taste and odor changes at Paterson taps u2014 an earthy or musty quality in spring and fall that most municipal customers learn to expect as seasonal variation.

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For most Paterson homeowners, this seasonal variation is a nuisance rather than a health concern. But if earthy or musty taste appears persistently rather than seasonally, or appears suddenly with notable intensity, testing rules out specific organic or bacterial causes beyond routine seasonal variation.

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What Your Symptom Is Likely Telling You

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Getting to the Right Solution

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Water testing in Paterson identifies the specific cause of the taste or smell at your tap. For chloramine and disinfection byproducts, whole-home carbon filtration or water filtration at the point of use addresses the problem effectively. For metallic taste from aging plumbing, reverse osmosis at the kitchen sink provides the highest level of drinking water purification including metal reduction. For hot water odor, the solution is typically specific to the water heater rather than the supply.

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We serve Paterson and all of Passaic County, including Clifton, Wayne, Totowa, and Fair Lawn. Our full New Jersey service area covers communities statewide. Additional context on specific water problems is available through our bad tasting water and smelly water resources. The NJ DEP Water Supply program provides state-level context on New Jersey drinking water quality. Call us at (732) 357-1988 or reach out online.

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