Suffern Water Hardness & Quality Report (2026)
Water Hardness
5.6 grains per gallon
Source
reservoir
pH Level
7.6
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
176.8 mg/L
Est. Daily Cost
$0.26
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 Suffern, your appliances are currently losing 13% efficiency due to mineral buildup.
| Appliance | In Suffern | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.4 yrs | 8.5 yrs | -25% |
| Washing Machine | 10 yrs | 12 yrs | -17% |
| Water Heater | 11.8 yrs | 15 yrs | -21% |
Regional Water Comparison
How Suffern compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Suffern, New York | 96 mg/L | 4.7 ppt | 🟡 Moderately Hard | reservoir |
| Mahwah, New Jersey | 43 mg/L | 5.4 ppt | 🟢 Soft | reservoir |
| Ramsey, New Jersey | 177.5 mg/L | 12.9 ppt | 🟠 Hard | reservoir |
| Monsey, New York | 102.5 mg/L | 5 ppt | 🟡 Moderately Hard | reservoir |
| Ringwood, New Jersey | 39 mg/L | 5.1 ppt | 🟢 Soft | reservoir |
National Benchmark
How Suffern compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Suffern | 96 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Suffern's Water Unique?
Local geology and source profile
Suffern, New York, in Rockland County — a Rockland County village adjacent to Mahwah and Spring Valley in the Ramapo Mountains at the New York-New Jersey border — receives its water from Suez Water New York, drawing from the Ramapo River watershed through the southeast New York distribution.
The moderately hard 96 mg/L hardness and TDS of 176.8 mg/L reflect the Rockland County Ramapo supply's moderate character — the Precambrian Fordham Gneiss is largely insoluble, while Cambrian Wappinger Limestone contributes moderate calcareous mineral content from the Hudson Valley limestone belt (compare Mahwah NJ: 93/170 in Bergen County comparable; Spring Valley NY: 98/181 in Rockland County comparable; Suffern consistent moderate from the same Rockland County Ramapo River Precambrian-Cambrian supply). The Ramapo watershed — Precambrian Fordham Gneiss (insoluble — primary dilutant), Cambrian Wappinger Limestone (slightly calcareous — primary hardness contributor), and Quaternary Ramapo Valley alluvium (slightly calcareous — minor TDS).
At 96 mg/L with TDS 177, Suffern's water is moderately hard — mild scale buildup. Semi-annual descaling is appropriate. The PFAS level of 4.7 ppt is moderate — a certified drinking water filter provides added protection. Review Suez Water New York's annual water quality report.
Geology & Source: Suffern in Rockland County draws from the Suez Water NY on the Ramapo River watershed (Rockland County, southeast New York) — the Ramapo watershed drains Precambrian Fordham Gneiss (insoluble) and Cambrian Wappinger Limestone (slightly calcareous) — New York Rockland County Ramapo River Precambrian-Cambrian supply produces moderately hard water at 96 mg/L with TDS 176.8 mg/L.