Stony Point Water Hardness & Quality Report (2026)
Water Hardness
5.2 grains per gallon
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
158.8 mg/L
Est. Daily Cost
$0.24
energy & soap waste
Source: USGS Water Quality Portal · 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 12% efficiency due to mineral buildup.
| Appliance | In Stony Point | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.6 yrs | 8.5 yrs | -22% |
| Washing Machine | 10.3 yrs | 12 yrs | -14% |
| 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 | 89.5 mg/L | 4.4 ppt | 🟡 Moderately Hard | reservoir |
| West Haverstraw, New York | 149 mg/L | 7.2 ppt | 🟠 Hard | reservoir |
| Haverstraw, New York | 132.5 mg/L | 6.4 ppt | 🟠 Hard | reservoir |
| New City, New York | 155 mg/L | 7.4 ppt | 🟠 Hard | reservoir |
| Peekskill, New York | 144.5 mg/L | 7 ppt | 🟠 Hard | reservoir |
National Benchmark
How Stony Point compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Stony Point | 89.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Stony Point's Water Unique?
Local geology and source profile
Stony Point, New York, in Rockland County — a Rockland County town adjacent to Haverstraw and Tomkins Cove on the Hudson River in south New York — receives its water from Suez Water New York, drawing from the Catskill Aqueduct and supplemental Hudson River sources through the south New York distribution.
The soft 89.5 mg/L hardness and low TDS of 158.8 mg/L reflect the Rockland County Catskill supply's soft character — the Precambrian Fordham Gneiss is highly resistant and insoluble, while only trace contributions from Cambrian Wappinger Limestone carbonates enter the water (compare Haverstraw NY: 132.5/293.9 in Rockland County harder from a different zone; Nyack NY: 88/155 in Rockland County comparable; Stony Point soft from the northern Rockland County Catskill-Precambrian draw). The Catskill watershed at Rockland County — Precambrian Fordham Gneiss (insoluble — primary dilutant), Cambrian Wappinger Limestone (slightly calcareous — minor hardness contributor), and Holocene Hudson River alluvium (slightly calcareous — minor TDS).
At 89.5 mg/L with TDS 159, Stony Point's water is soft — appliances last well with minimal scale, dishwashers work efficiently without special additives. Annual descaling is appropriate. The PFAS level of 4.4 ppt is moderate — a certified drinking water filter provides added protection against trace PFAS. Review Suez Water New York's annual water quality report for the latest contaminant monitoring data.
Geology & Source: Stony Point in Rockland County draws from Suez Water New York on the Catskill Aqueduct (Rockland County, south New York) — the Catskill watershed at Rockland County drains Precambrian Fordham Gneiss (insoluble) and Cambrian Wappinger Limestone (slightly calcareous) — New York Rockland County Catskill Aqueduct Precambrian-Cambrian supply produces soft water at 89.5 mg/L with TDS 158.8 mg/L.