Stony Point Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
groundwater
pH Level
7.5
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
158.8 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 Stony Point, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Stony Point | 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 Stony Point compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Stony Point, New York | ≈ 120–179 mg/L | 4.4 ppt | 🟠 Hard | groundwater |
| West Haverstraw, New York | ≈ 120–179 mg/L | 7.2 ppt | 🟠 Hard | groundwater |
| Haverstraw, New York | ≈ 120–179 mg/L | 6.4 ppt | 🟠 Hard | groundwater |
| New City, New York | ≈ 120–179 mg/L | 7.4 ppt | 🟠 Hard | groundwater |
| Peekskill, New York | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
National Benchmark
How Stony Point compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Stony Point | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Stony Point's Water Unique?
Local geology and source profile
The Valley View Park utility provides water to about 215 residents in Stony Point, New York. This small system likely draws from local wells tapping groundwater aquifers, possibly supplemented by surface water from nearby reservoirs or the Hudson River watershed. While specific treatment plant names aren't listed, the system adheres to EPA standards, reporting no MCL violations. The water is distributed throughout the Stony Point community, ensuring safe drinking water.
The water originates from the Hudson Valley watershed, influenced by regional systems like the Catskill/Delaware and Croton systems, alongside local inputs shaped by glacial deposits and sedimentary rock formations, including shales and limestones from Paleozoic eras. Groundwater from shallow aquifers interacts with these mineral-rich strata, giving the supply a moderately hard character. Glacial till and fractured bedrock aid mineral dissolution, while surface runoff from the Hudson River basin contributes additional ions, resulting in a moderately mineralized profile.
Homeowners in Stony Point may notice some scale buildup in appliances such as dishwashers, washing machines, and water heaters, which can reduce their efficiency over time. Showers and faucets might develop visible deposits, and you might find that soap doesn't lather as effectively. Regular maintenance, like vinegar soaks for showerheads and toilets, can help manage this. Many households find that a water softener is beneficial for tackling scaling issues and improving skin hydration, particularly with blended water supplies that reach moderately hard levels. The Valley View Park supply meets all EPA MCLGs, with numerous contaminants tested and found to be within safe limits.
Geology & Source: Sedimentary rocks and glacial deposits; limestone and shale formations contribute moderate hardness; shallow aquifers and Hudson River tributaries add variability
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Frequently Asked Questions
Is Stony Point's water safe to drink?
Do I need a water softener in Stony Point?
How does Stony Point compare to the USA average?
Data Sources & Methodology
Water quality data for Stony Point 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.