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

The USA national average is 151 mg/L. Huntington (≈ 0–59 mg/L) is 121 mg/L softer than average.

Huntington Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

groundwater

pH Level

7.5

neutral = 7.0

Lead

0.002 mg/L

✓ Below action level

TDS

133.4 mg/L

Est. Daily Cost

$0.08

energy & soap waste

Source: See methodology section below · Updated 2026

soft~0–59 mg/LSoft · 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, your appliances are currently losing 4% efficiency due to mineral buildup.

Appliance	In Huntington	Soft Water City	Efficiency Loss
Kettle	8.2 yrs	8.5 yrs	-4%
Washing Machine	11.5 yrs	12 yrs	-4%
Water Heater	14.4 yrs	15 yrs	-4%

Regional Water Comparison

How Huntington compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Huntington, New York	≈ 0–59 mg/L	4.5 ppt	🟢 Soft	groundwater
Huntington Station, New York	≈ 120–179 mg/L	4.5 ppt	🟠 Hard	groundwater
Greenlawn, New York	≈ 120–179 mg/L	9.5 ppt	🟠 Hard	groundwater
Melville, New York	≈ 180+ mg/L	3.4 ppt	🔴 Very Hard	reservoir
Syosset, New York	≈ 180+ mg/L	449.8 ppt	🔴 Very Hard	groundwater

National Benchmark

How Huntington compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Huntington	≈ 0–59 mg/L	🟢 None
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Huntington's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 133.4 mg/LpH: 7.5

Huntington, New York is served by the Town of Huntington Water Department (including Dix Hills Water District) and the South Huntington Water District. Both utilities source water exclusively from groundwater aquifers beneath Long Island, specifically the Upper Glacial and Magothy formations. Treatment facilities include the Dix Hills Water District plant at 683 Caledonia Rd and South Huntington's plants — Plant No. 10 on Whitson Lane, Plant No. 3 on Amityville Road, and Plant No. 8 on Old Country Road — serving Huntington Station, Dix Hills, Centerport, and surrounding areas in Suffolk County, covering approximately 35,000 residents in Dix Hills alone.

Groundwater originates from Long Island's glacial and post-glacial aquifer system, recharged by precipitation percolating through sandy overburden. Key formations include Pleistocene glacial sands and gravels overlying Cretaceous Magothy aquifer sands within the Raritan Formation sequence. These unconsolidated, silica-rich sediments have minimal contact with carbonate rocks, imparting a naturally soft character to the water. Some areas show slightly elevated iron from anoxic zones in organic-rich layers, and minor nitrates from surface runoff have been detected in parts of the system.

Soft water minimises scale buildup, allowing appliances such as water heaters, dishwashers, and coffee makers to experience less mineral stress and last longer. Laundry detergents and soaps lather easily, reducing product use, and skin feels smoother after bathing — no vinegar descaling of fixtures is typically needed. A water softener is not recommended for this soft supply, as it could strip essential minerals; a sediment filter is preferable if iron staining occurs. Notable quality issues include historical iron exceedances (secondary standard) in Huntington and 1,4-dioxane above New York's 1 ppb MCL in South Huntington, managed under deferral with blending; treatment includes disinfection with hypochlorite with no lead/copper violations noted.

Geology & Source: Long Island Pleistocene Upper Glacial and Magothy aquifers; glacial sands and gravels over Cretaceous Raritan Formation clays — limited carbonate contact produces naturally soft water; localized iron enrichment in anoxic organic-rich zones

Other New York Water Reports

Huntington Station

≈ 120–179 mg/L

🟠 Hard

Greenlawn

≈ 120–179 mg/L

🟠 Hard

Melville

≈ 180+ mg/L

🔴 Very Hard

Syosset

≈ 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 Huntington's water safe to drink?

Yes. Huntington's water meets all federal safety standards. The hardness is ≈ 0–59 mg/L (Soft), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Huntington?

Huntington's water is soft at ≈ 0–59 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.

How does Huntington compare to the USA average?

The USA national average is 151 mg/L. Huntington (≈ 0–59 mg/L) is 121 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 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.