North Bellmore Water Hardness & Quality Report (2026)
Water Hardness
~0–59 mg/L
Softestimated · 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
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.
| Appliance | In North Bellmore | 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 North Bellmore compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ North Bellmore, New York | ≈ 0–59 mg/L | 8.3 ppt | 🟢 Soft | reservoir |
| Bellmore, New York | 10.9 mg/L | 3.9 ppt | 🟢 Soft | groundwater |
| Wantagh, New York | 10.9 mg/L | 5.8 ppt | 🟢 Soft | reservoir |
| North Wantagh, New York | 10.75 mg/L | 3.7 ppt | 🟢 Soft | reservoir |
| North Merrick, New York | 2.8 mg/L | 3.4 ppt | 🟢 Soft | reservoir |
National Benchmark
How North Bellmore compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ North Bellmore | ≈ 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 North Bellmore's Water Unique?
Local geology and source profile
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?
Do I need a water softener in North Bellmore?
How does North Bellmore compare to the USA average?
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.
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.
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.
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.
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.
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.
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.