Rossville Water Hardness & Quality Report (2026)
Water Hardness
4.4 grains per gallon
Source
reservoir
pH Level
7.4
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
122.8 mg/L
Est. Daily Cost
$0.20
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 Rossville, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In Rossville | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.1 yrs | 8.5 yrs | -16% |
| Washing Machine | 10.8 yrs | 12 yrs | -10% |
| Water Heater | 12.6 yrs | 15 yrs | -16% |
Regional Water Comparison
How Rossville compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Rossville, New York | 75.5 mg/L | 3.7 ppt | 🟡 Moderately Hard | reservoir |
| Woodrow, New York | 87 mg/L | 4.3 ppt | 🟡 Moderately Hard | reservoir |
| Carteret, New Jersey | 84 mg/L | 7.7 ppt | 🟡 Moderately Hard | reservoir |
| Great Kills, New York | 86.5 mg/L | 4.2 ppt | 🟡 Moderately Hard | reservoir |
| New Springville, New York | 158.5 mg/L | 7.6 ppt | 🟠 Hard | reservoir |
National Benchmark
How Rossville compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Rossville | 75.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Rossville's Water Unique?
Local geology and source profile
Rossville, New York, in Richmond County — an unincorporated community on Staten Island adjacent to Charleston and Woodrow, in the southwest Staten Island corridor — receives its municipal water from the New York City DEP, drawing from the Catskill-Delaware Aqueduct system through the Staten Island distribution network.
The soft 75.5 mg/L hardness and low TDS of 122.8 mg/L reflect the NYC Catskill-Delaware supply at Staten Island — somewhat softer than the Queens, Bronx, and Brooklyn distribution zones (which typically read 130-160 mg/L), suggesting the Staten Island distribution zone receives a slightly different blend or that the Staten Island supply has lower turbidity treatment requirements. All NYC communities receive the same Catskill System (Ashokan, Schoharie Reservoirs) and Delaware System (Cannonsville, Pepacton, Rondout) water — the Devonian sandstone and Helderberg Limestone watershed drainage producing the moderately soft NYC supply.
At 75.5 mg/L, Rossville's water is soft — essentially no scale forms, soap lathers abundantly, and appliances maintain good efficiency. Annual descaling is sufficient. The PFAS level of 3.7 ppt warrants a certified drinking water filter — the Staten Island industrial corridor (Bayonne, NJ-Staten Island manufacturing), the Kill Van Kull shipping corridor, and the NYC PFAS urban background contribute to Rossville's readings.
Geology & Source: Rossville in Richmond County draws from the NYC DEP on the Catskill-Delaware Aqueduct system (NYC municipal supply, Staten Island distribution) — the Catskill-Delaware drains Devonian Catskill Formation sandstone and Devonian Helderberg Limestone reservoirs — NYC Catskill-Delaware Devonian sandstone and limestone watershed produces soft water at 75.5 mg/L with TDS 123 mg/L in this Richmond County New York community.