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Huntington Station Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.5

neutral = 7.0

Lead

0.002 mg/L

✓ Below action level

TDS

134.8 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 Huntington Station, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn Huntington StationSoft Water CityEfficiency 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 Huntington Station compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Huntington Station, New York≈ 120–179 mg/L4.5 ppt🟠 Hardgroundwater
Huntington, New York≈ 0–60 mg/L4.5 ppt🟢 Softgroundwater
Greenlawn, New York≈ 120–179 mg/L9.5 ppt🟠 Hardgroundwater
Melville, New York≈ 180+ mg/L3.4 ppt🔴 Very Hardreservoir
Elwood, New York≈ 120–179 mg/L4.1 ppt🟠 Hardreservoir

National Benchmark

How Huntington Station compares to the USA average

BenchmarkHardnessAppliance Risk
Huntington Station≈ 120–179 mg/L🟠 Moderate
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Huntington Station's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 134.8 mg/LpH: 7.5

Huntington Station, NY, is served primarily by the Town of Huntington Water Department, including the Dix Hills Water District (DHWD) and the South Huntington Water District (SHWD). The utility sources water from 17 groundwater wells tapping the local aquifer throughout the community. There are no surface water treatment plants; water is pumped directly from wells with basic treatment for disinfection and contaminant removal as needed. The service area covers Huntington Station in Suffolk County on Long Island.

Groundwater originates from Long Island's glacial and coastal plain aquifers, specifically the Upper Glacial and Magothy formations. These Pleistocene and Cretaceous sedimentary layers of sand, gravel, and clay — including the underlying Raritan Formation — shape water chemistry through mineral dissolution. The geology imparts a hard character due to natural leaching of calcium and magnesium from the rock matrix, with localized variations from land use impacts such as fertilizers and septic systems contributing additional mineral loading.

Hard water causes scale buildup in pipes, water heaters, dishwashers, and washing machines, reducing efficiency and lifespan. Appliances require more frequent descaling, and soap efficiency drops, leaving residues on dishes and skin. Maintenance includes regular flushing of water heaters and installing sediment filters; a water softener is recommended to protect plumbing. The 2022 Drinking Water Quality Report notes compliance with all standards except iron, a secondary contaminant affecting taste and color (NY standard 0.3 mg/L). Slightly elevated nitrates appear in some Dix Hills wells from runoff and septic leaching.

Geology & Source: Long Island Upper Glacial and Magothy aquifers — Pleistocene glacial till, sands and gravels over Cretaceous Raritan Formation sands and clays; prolonged contact leaches calcium and magnesium, producing hard supply typical of coastal plain aquifers

Other New York Water Reports

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Frequently Asked Questions

Is Huntington Station's water safe to drink?
Yes. Huntington Station'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 Huntington Station?
At ≈ 120–179 mg/L (Hard), Huntington Station'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 Huntington Station compare to the USA average?
The USA national average is 151 mg/L. Huntington Station (≈ 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 Huntington Station 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

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.

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.