How does Teaneck's water compare to the national average?

The USA national average is 151 mg/L. Teaneck (≈ 120–179 mg/L) is 1 mg/L softer than average.

Teaneck Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

8.1

neutral = 7.0

Lead

0.007 mg/L

✓ Below action level

TDS

377.8 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · est.

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 Teaneck, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Teaneck	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 Teaneck compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Teaneck, New Jersey	≈ 120–179 mg/L	11.6 ppt	🟠 Hard	reservoir
Hackensack, New Jersey	≈ 120–179 mg/L	7 ppt	🟠 Hard	reservoir
Bergenfield, New Jersey	≈ 120–179 mg/L	5.4 ppt	🟠 Hard	reservoir
New Milford, New Jersey	≈ 180+ mg/L	8.6 ppt	🔴 Very Hard	reservoir
River Edge, New Jersey	≈ 120–179 mg/L	5.2 ppt	🟠 Hard	reservoir

National Benchmark

How Teaneck compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Teaneck	≈ 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 Teaneck's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 377.8 mg/LpH: 8.1

SUEZ Water New Jersey serves Teaneck and northern New Jersey communities with drinking water. The supply draws from multiple surface water intakes on the Raritan River, Millstone River, and the Delaware & Raritan Canal, supplemented by approximately 98 wells tapping the Brunswick, Passaic, Stockton, Glacial Drift, and Basalt Aquifers. Treatment facilities process this mixed surface and groundwater supply before distribution to residents across Bergen County.

The Delaware & Raritan Canal watershed and underlying regional aquifer systems define the supply's chemistry. The geology encompasses Quaternary glacial deposits and Paleozoic bedrock formations — including the Brunswick, Passaic, Stockton, Glacial Drift, and Basalt Aquifers — all naturally rich in dissolved calcium and magnesium. This geological mix produces a moderately hard water supply, characteristic of northern New Jersey where blended groundwater and surface water interact with carbonate-bearing formations.

At moderately hard levels, residents may notice mineral scaling in pipes, water heaters, and household appliances over time. Coffee makers, dishwashers, and washing machines are particularly susceptible to buildup that reduces efficiency and lifespan. Hardness is not severe enough to require treatment for most households, but residents concerned about scale accumulation or taste may benefit from installing a point-of-use water softener or filter, especially on hot water lines. The water meets all Safe Drinking Water Act requirements, with results published in annual Consumer Confidence Reports by SUEZ Water New Jersey.

Geology & Source: Delaware & Raritan Canal watershed; Quaternary glacial deposits and Paleozoic bedrock — Brunswick, Passaic, Stockton, Glacial Drift, and Basalt Aquifers — dissolve calcium and magnesium, producing moderately hard supply

Other New Jersey Water Reports

Hackensack

≈ 120–179 mg/L

🟠 Hard

Bergenfield

≈ 120–179 mg/L

🟠 Hard

New Milford

≈ 180+ mg/L

🔴 Very Hard

River Edge

≈ 120–179 mg/L

🟠 Hard

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Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Teaneck's water safe to drink?

Yes. Teaneck's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Teaneck?

At ≈ 120–179 mg/L (Hard), Teaneck's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.

How does Teaneck compare to the USA average?

The USA national average is 151 mg/L. Teaneck (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Teaneck is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

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.

Estimated

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.

Estimated

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.

Measured

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.

Modelled

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.

Calculated

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.