Passaic Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
groundwater
pH Level
8
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
327.9 mg/L
Est. Daily Cost
$0.40
energy & soap waste
Source: See methodology section below · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Passaic, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Passaic | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.8 yrs | 8.5 yrs | -20% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 12 yrs | 15 yrs | -20% |
Regional Water Comparison
How Passaic compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Passaic, New Jersey | ≈ 120–179 mg/L | 10.8 ppt | 🟠 Hard | groundwater |
| Wallington, New Jersey | ≈ 180+ mg/L | 39.3 ppt | 🔴 Very Hard | reservoir |
| Garfield, New Jersey | ≈ 180+ mg/L | 188.5 ppt | 🔴 Very Hard | reservoir |
| Clifton, New Jersey | ≈ 120–179 mg/L | 158.3 ppt | 🟠 Hard | reservoir |
| Rutherford, New Jersey | ≈ 120–179 mg/L | 6.1 ppt | 🟠 Hard | reservoir |
National Benchmark
How Passaic compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Passaic | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Passaic's Water Unique?
Local geology and source profile
The City of Passaic Water Department serves approximately 70,000 residents in Passaic County, New Jersey, through a mixed supply of surface water from the Passaic River via the Passaic Valley Water Commission (PVWC) and supplemental groundwater from local wells. PVWC treats water at facilities drawing from the Pompton and Passaic Rivers, with distribution to Passaic supplemented by the city's own wells. This combination ensures reliable supply amid varying demands, with all water receiving filtration, chlorination, and fluoridation at PVWC treatment plants.
The Passaic River watershed spans northern New Jersey, influenced by Triassic sedimentary rocks of the Newark Basin, including red beds of the Brunswick Group that contribute minerals to groundwater flows. Local aquifers tap into unconsolidated sands overlying these formations, promoting moderate mineralization as water percolates through carbonate-rich layers. Surface water from the river remains less mineralized due to dilution and treatment, while well-sourced water carries higher dissolved minerals — resulting in a characteristically harder supply from groundwater components.
Hard water in Passaic leads to scale buildup in pipes, reducing flow in showerheads and faucets by up to 75% within 18 months, and cuts water heater efficiency by 4% per five grains of hardness. Dishwashers, washing machines, and coffee makers suffer most from mineral deposits, shortening appliance life and increasing energy costs by up to 48% over 15 years. Regular vinegar descaling is helpful, but a whole-home water softener is recommended. Water quality meets EPA standards with pH typically 7–8.5; lead and copper comply via corrosion control, and routine tests cover 114+ contaminants including disinfection byproducts.
Geology & Source: Newark Basin, northern New Jersey — Triassic Brunswick Formation sandstones and shales; Cretaceous unconsolidated sands; limestone and dolomite layers dissolve calcium and magnesium into groundwater, producing harder well-sourced supply
Other New Jersey Water Reports
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Frequently Asked Questions
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How does Passaic compare to the USA average?
Data Sources & Methodology
Water quality data for Passaic is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
Water Hardness
Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.
pH
Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.
TDS — Total Dissolved Solids
Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.
PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances
EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.
Lead
Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.
Appliance Lifespan
Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.