New Cassel Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
reservoir
pH Level
6.2
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
181 mg/L
Est. Daily Cost
$0.40
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 New Cassel, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In New Cassel | Soft Water City | Efficiency 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 New Cassel compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ New Cassel, New York | ≈ 120–179 mg/L | 7.4 ppt | 🟠 Hard | reservoir |
| Salisbury, New York | ≈ 120–179 mg/L | 7.2 ppt | 🟠 Hard | reservoir |
| Westbury, New York | ≈ 120–179 mg/L | 30.2 ppt | 🟠 Hard | groundwater |
| Jericho, New York | ≈ 120–179 mg/L | 6 ppt | 🟠 Hard | reservoir |
| Hicksville, New York | ≈ 120–179 mg/L | 3.3 ppt | 🟠 Hard | groundwater |
National Benchmark
How New Cassel compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ New Cassel | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
Bring Scarsdale-quality water to your New Cassel home
Shop water softeners on Amazon.com →
What Makes New Cassel's Water Unique?
Local geology and source profile
New Cassel, located in Nassau County, New York, receives its water primarily from groundwater sources. The Hempstead Town Water Department and its associated local districts manage the supply, which involves a network of wells tapping into Long Island's extensive aquifers. In some instances, water might also be purchased from the New York City system. Treatment processes are carried out at various district plants, with continuous monitoring to ensure compliance with drinking water regulations. While specific operational details like pumpage figures aren't widely publicized, the department offices serve as a resource for such data for residents and businesses in this suburban area west of Hempstead.
Geologically, the water originates from Long Island's glacial and coastal plain aquifers. These are characterized by Pleistocene glacial deposits that lie atop Cretaceous sandstone and clay formations, including the Raritan and Magothy groups. The unconsolidated sands and gravels in these formations facilitate the dissolution of minerals, particularly calcium and magnesium, from shell fragments and minor limestone lenses. This geological makeup results in water that is moderately hard, differing from the softer waters often found in regions dominated by surface water sources from upstate watersheds.
Homeowners in New Cassel may notice moderate scale buildup in appliances such as water heaters, dishwashers, and washing machines. This scale accumulation can reduce efficiency and increase energy expenses over time. You might also observe spotting on plumbing fixtures, and soap may not lather as readily, necessitating the use of more detergent for cleaning. To combat these effects, annual deliming of water heaters and flushing of systems are recommended. For those concerned about scale and its impact, installing a water softener is often a practical solution to extend appliance lifespan and improve cleaning efficacy. The water quality reports confirm adherence to NYSDOH and USEPA standards, with treatment focusing on disinfection and monitoring for common inorganics.
Geology & Source: Long Island groundwater; Pleistocene sands and Cretaceous formations like Raritan and Magothy groups; shell fragments and limestone lenses cause moderate hardness
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!
Frequently Asked Questions
Is New Cassel's water safe to drink?
Do I need a water softener in New Cassel?
How does New Cassel compare to the USA average?
Data Sources & Methodology
Water quality data for New Cassel 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.