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

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

Endwell Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

7.5

neutral = 7.0

Lead

0.003 mg/L

✓ Below action level

TDS

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

Appliance	In Endwell	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 Endwell compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Endwell, New York	≈ 120–179 mg/L	4.2 ppt	🟠 Hard	reservoir
Endicott, New York	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater
Vestal, New York	78.5 mg/L	10.7 ppt	🟡 Moderately Hard	groundwater
Johnson City, New York	≈ 0–60 mg/L	88.6 ppt	🟢 Soft	groundwater
Binghamton, New York	≈ 120–179 mg/L	24.8 ppt	🟠 Hard	reservoir

National Benchmark

How Endwell compares to the USA average

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

Local geology and source profile

Source: ReservoirTDS: 144.2 mg/LpH: 7.5

The Village of Endicott Water Department supplies water to Endwell, New York, drawing from both the Susquehanna River and local groundwater wells. These wells tap into the Valley Heads-Priestville aquifer system, a regional resource. Raw water undergoes comprehensive treatment at the Endicott Water Treatment Plant, which includes filtration, disinfection, and chemical adjustments. This facility serves approximately 14,000 residents across Endwell, Endicott, and surrounding areas within the Town of Union and the Village of Endicott. The Susquehanna River watershed, a significant part of the Appalachian Plateau, provides the surface water component, its headwaters influenced by Devonian shale, sandstone, and limestone formations, including the Onondaga Limestone.

The region's geology, characterized by Devonian shales, sandstones, and limestone outcrops like the Onondaga and Helderberg formations, significantly impacts water quality. As water flows through or over these carbonate-rich sedimentary rocks, it picks up dissolved calcium and magnesium. The Valley Heads-Priestville aquifer, comprising glacial till and fractured bedrock, further facilitates this mineral leaching. This natural process results in water with a moderately mineralized, hard character typical of central New York's Southern Tier.

This moderately hard water can lead to scale buildup in appliances such as dishwashers, washing machines, and water heaters, potentially reducing their efficiency and lifespan. You might notice white deposits on faucets and in kettles, and soaps may not lather as readily, requiring more detergent. To manage this, monthly descaling with vinegar is recommended for appliances, and drain screens can help. For persistent issues, installing a water softener is a good option to prevent spotting on dishes and extend the life of your plumbing. The Endicott Water Quality Report confirms the water meets EPA standards for pH, lead, and copper, with low levels of arsenic and radium. While trace PFAS were monitored below health guidelines, disinfection byproducts are occasionally present but managed through treatment optimization.

Geology & Source: Devonian shales, sandstones, and limestone of the Appalachian Plateau; Valley Heads-Priestville aquifer; carbonate dissolution produces moderate hardness

Other New York Water Reports

Endicott

≈ 120–179 mg/L

🟠 Hard

Vestal

78.5 mg/L

🟡 Moderately Hard

Johnson City

≈ 0–60 mg/L

🟢 Soft

Binghamton

≈ 120–179 mg/L

🟠 Hard

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Frequently Asked Questions

Is Endwell's water safe to drink?

Yes. Endwell'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 Endwell?

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

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