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North Bellmore Water Hardness & Quality Report (2026)

Water Hardness

soft

~0–59 mg/L

Soft

estimated · not lab-verified

Source

reservoir

pH Level

8.2

neutral = 7.0

Lead

0.009 mg/L

✓ Below action level

TDS

460.8 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 North Bellmore, your appliances are currently losing 4% efficiency due to mineral buildup.

ApplianceIn North BellmoreSoft Water CityEfficiency 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 North Bellmore compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
North Bellmore, New York≈ 0–59 mg/L8.3 ppt🟢 Softreservoir
Bellmore, New York10.9 mg/L3.9 ppt🟢 Softgroundwater
Wantagh, New York10.9 mg/L5.8 ppt🟢 Softreservoir
North Wantagh, New York10.75 mg/L3.7 ppt🟢 Softreservoir
North Merrick, New York2.8 mg/L3.4 ppt🟢 Softreservoir

National Benchmark

How North Bellmore compares to the USA average

BenchmarkHardnessAppliance Risk
North Bellmore≈ 0–59 mg/L🟢 None
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes North Bellmore's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 460.8 mg/LpH: 8.2

North Bellmore, NY, is served by the New York American Water Merrick Operations District, supplying this Nassau County community through groundwater wells tapping the Magothy aquifer. No surface water reservoirs or rivers are involved; the supply is entirely from local wells relying on natural filtration through sands and basic disinfection. The service area covers North Bellmore and adjacent areas like Merrick, with detailed well data available at the Hempstead Town Department of Water offices and annual pumpage data through town reports.

The local recharge area over the Magothy aquifer on Long Island's glacial plain feeds the groundwater, where precipitation infiltrates sands and gravels from Pleistocene outwash. Key formations include the Upper Glacial, Magothy, and underlying Raritan Clay, with the aquifer's sandy matrix limiting mineral dissolution. The lack of carbonate rocks prevents significant hardness buildup, producing characteristically soft water with low dissolved solids and naturally low total mineralization.

Soft water minimizes scale buildup in pipes, heaters, and appliances, reducing maintenance needs for water heaters, dishwashers, and washing machines. Soap and detergents lather easily without excess, though the water may feel slippery and can corrode fixtures faster if untreated. No softener is typically recommended, but a scale inhibitor or filter can address any minor issues. pH is compliant at around 7.06 (range 6.6–7.8) with no fluoride added (0 mg/L); lead action level is met at 2.2 µg/L 90th percentile and copper is compliant; treatment is minimal — disinfection only, with iron and nitrate levels low or non-detectable. Full CCRs are available at newyorkamwater.com.

Geology & Source: Nassau County Long Island glacial outwash — Magothy aquifer; Pleistocene unconsolidated sands and gravels overlying Raritan Clay confining layer; minimal limestone interaction yields soft water low in dissolved calcium and magnesium

Other New York Water Reports

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Frequently Asked Questions

Is North Bellmore's water safe to drink?
Yes. North Bellmore'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 North Bellmore?
North Bellmore'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 North Bellmore compare to the USA average?
The USA national average is 151 mg/L. North Bellmore (≈ 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 North Bellmore 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.