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

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

Kinnelon Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.7

neutral = 7.0

Lead

0.007 mg/L

✓ Below action level

TDS

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

Appliance	In Kinnelon	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 Kinnelon compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Kinnelon, New Jersey	≈ 120–179 mg/L	11.4 ppt	🟠 Hard	groundwater
Pompton Lakes, New Jersey	≈ 120–179 mg/L	28.3 ppt	🟠 Hard	groundwater
Wanaque, New Jersey	≈ 120–179 mg/L	202.3 ppt	🟠 Hard	reservoir
Lincoln Park, New Jersey	≈ 120–179 mg/L	22.6 ppt	🟠 Hard	reservoir
Oakland, New Jersey	≈ 180+ mg/L	286.1 ppt	🔴 Very Hard	groundwater

National Benchmark

How Kinnelon compares to the USA average

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

Local geology and source profile

Source: GroundwaterTDS: 111 mg/LpH: 7.7

The Kinnelon Water Department supplies water to 1,938 residents in the Borough of Kinnelon, Morris County, New Jersey. This supply is entirely sourced from the Butler Water Company, which draws from the Kakeout Reservoir and the Bubbling Brook Road intake. Both sources are located within the borough. The Butler Water Company treats this water to meet all federal and state drinking water standards before it is distributed to Kinnelon residents.

The water's journey begins in the New Jersey Piedmont region, an area characterized by ancient metamorphic bedrock, primarily gneiss and schist, covered by glacial deposits. This geological makeup, common throughout northern New Jersey, naturally enriches the water with minerals as it flows through mineral-rich soils and fractured rock formations before accumulating in the reservoir and surface intakes, resulting in a hard water supply.

Homeowners in Kinnelon will likely notice the effects of this hard water, such as scale buildup in appliances like water heaters and reduced lathering from soaps and detergents. Appliances like dishwashers and kettles may also show mineral deposits over time. To combat these issues, a water softener is often recommended, especially for households with significant hot water use. Simple steps like regularly descaling coffee makers and kettles can also help manage mineral accumulation. The Kinnelon Water Department confirms its supply meets all safety standards, though residents should always check the latest Consumer Confidence Report for specific details and contact the utility with any questions.

Geology & Source: Precambrian metamorphic bedrock (gneiss and schist) and glacial deposits; elevated calcium and magnesium from mineral-rich soils and rock

Other New Jersey Water Reports

Pompton Lakes

≈ 120–179 mg/L

🟠 Hard

Wanaque

≈ 120–179 mg/L

🟠 Hard

Lincoln Park

≈ 120–179 mg/L

🟠 Hard

Oakland

≈ 180+ mg/L

🔴 Very 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 Kinnelon's water safe to drink?

Yes. Kinnelon'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 Kinnelon?

At ≈ 120–179 mg/L (Hard), Kinnelon'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 Kinnelon compare to the USA average?

The USA national average is 151 mg/L. Kinnelon (≈ 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 Kinnelon 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.