LocalDataPoint

Mineola Water Hardness & Quality Report (2026)

Water Hardness

moderately hard

~60–119 mg/L

Moderately Hard

estimated · not lab-verified

Source

groundwater

pH Level

5.7

neutral = 7.0

Lead

0.003 mg/L

✓ Below action level

TDS

263 mg/L

Est. Daily Cost

$0.24

energy & soap waste

Source: See methodology section below · Updated 2026

moderately hard~60–119 mg/LModerately Hard · 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 Mineola, your appliances are currently losing 12% efficiency due to mineral buildup.

ApplianceIn MineolaSoft Water CityEfficiency Loss
Kettle
7.5 yrs
8.5 yrs-12%
Washing Machine
10.6 yrs
12 yrs-12%
Water Heater
13.2 yrs
15 yrs-12%

Regional Water Comparison

How Mineola compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Mineola, New York≈ 60–119 mg/L32.2 ppt🟡 Moderately Hardgroundwater
Garden City, New York≈ 0–60 mg/L21.2 ppt🟢 Softgroundwater
West Hempstead, New York≈ 120–179 mg/L0 ppt🟠 Hardgroundwater
Hempstead, New York≈ 0–60 mg/L4.7 ppt🟢 Softgroundwater
North New Hyde Park, New York≈ 120–179 mg/L3.4 ppt🟠 Hardreservoir

National Benchmark

How Mineola compares to the USA average

BenchmarkHardnessAppliance Risk
Mineola≈ 60–119 mg/L🟡 Low
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

Bring Scarsdale-quality water to your Mineola home

Shop water softeners on Amazon.com

Shop Now

What Makes Mineola's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 263 mg/LpH: 5.7

Mineola, a village in Nassau County, New York, receives its water supply from the Village of Mineola Water Department or Nassau County DPW, drawing from the Upper Glacial Aquifer and the Magothy Aquifer underlying central Nassau County on Long Island. These aquifer systems are accessed via groundwater wells, with no named treatment plants or surface water sources identified in available data. Specific treatment process details, plant names, and service area boundaries are not detailed in retrieved sources; residents should consult the utility directly for current water quality reports.

The Upper Glacial Aquifer consists of Pleistocene outwash sand deposited during the last ice age, forming a shallow, permeable layer across central Nassau County. Beneath it lies the deeper Cretaceous Magothy Formation, a major aquifer on Long Island composed of sand and gravel with low carbonate content. The non-carbonate, siliceous character of these formations limits mineral dissolution, producing moderately soft water with low total dissolved solids — typical of Long Island's central Nassau County aquifer systems.

Moderately soft water from the Upper Glacial and Magothy aquifers results in minimal scale buildup in pipes, water heaters, and household appliances, reducing the need for regular descaling maintenance. Soap lathers efficiently and glassware is less prone to spotting compared to hard water areas. No specific pH, lead, copper, PFAS, or contaminant data for Mineola was available in the raw data provided; residents should consult the Village of Mineola Water Department or access the 2024 Annual Water Quality Report for full compliance and contaminant details.

Geology & Source: Nassau County — Upper Glacial Aquifer (Pleistocene outwash sand) and Cretaceous Magothy Formation; Long Island central Nassau County aquifer yields moderately soft water with low TDS

Other New York Water Reports

Report an Issue

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!

Contact Us

Frequently Asked Questions

Is Mineola's water safe to drink?
Yes. Mineola's water meets all federal safety standards. The hardness is ≈ 60–119 mg/L (Moderately Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Mineola?
Mineola's water is moderately hard at ≈ 60–119 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.
How does Mineola compare to the USA average?
The USA national average is 151 mg/L. Mineola (≈ 60–119 mg/L) is 61 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 Mineola 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.