Salisbury Water Hardness & Quality Report (2026)
Water Hardness
8.8 grains per gallon
Source
reservoir
pH Level
8
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
359.7 mg/L
Est. Daily Cost
$0.40
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 Salisbury, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Salisbury | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.6 yrs | 8.5 yrs | -46% |
| Washing Machine | 8.1 yrs | 12 yrs | -33% |
| Water Heater | 9.6 yrs | 15 yrs | -36% |
Regional Water Comparison
How Salisbury compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Salisbury, New York | 150 mg/L | 7.2 ppt | 🟠 Hard | reservoir |
| New Cassel, New York | 155 mg/L | 7.4 ppt | 🟠 Hard | reservoir |
| Westbury, New York | 158.5 mg/L | 7.6 ppt | 🟠 Hard | reservoir |
| East Meadow, New York | 172.5 mg/L | 8.2 ppt | 🟠 Hard | reservoir |
| Hicksville, New York | 151.5 mg/L | 7.3 ppt | 🟠 Hard | reservoir |
National Benchmark
How Salisbury compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Salisbury | 150 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Salisbury's Water Unique?
Local geology and source profile
Salisbury, New York, in Nassau County — a Nassau County hamlet adjacent to East Meadow and Westbury in central Long Island — receives its water from the Nassau County Department of Public Works or a local water district, drawing from the Long Island aquifer system — specifically the Upper Glacial and Magothy aquifers — beneath central Nassau County through the central Long Island distribution.
The hard 150 mg/L hardness and TDS of 359.7 mg/L are somewhat elevated for Long Island's aquifer water — central Nassau County communities near the south shore corridor can show higher mineral content due to legacy contamination and complex aquifer mixing (compare East Meadow NY: 148/355 in Nassau County comparable; Westbury NY: 152/362 in Nassau County comparable; Salisbury consistent hard from the same central Nassau County Long Island aquifer). The Long Island aquifer at Nassau County — Pleistocene Magothy Aquifer (insoluble — primary contributor), Cretaceous Lloyd Aquifer (insoluble — secondary contributor), and legacy dissolved minerals (chloride, nitrate — elevated TDS contributor).
At 150 mg/L with TDS 360, Salisbury's water is hard — scale builds in appliances and fixtures over months. Quarterly descaling is appropriate. The PFAS level of 7.2 ppt warrants a certified drinking water filter — Nassau County Long Island has documented PFAS contamination from military and industrial sources. A reverse osmosis or NSF-certified carbon filter is recommended for drinking water.
Geology & Source: Salisbury in Nassau County draws from the Nassau County DPW on the Long Island aquifer (Nassau County, south Long Island, New York) — the Long Island aquifer at Nassau County is developed in Pleistocene Magothy Aquifer (insoluble) and Cretaceous Lloyd Aquifer (insoluble) — New York Nassau County Long Island Magothy Pleistocene aquifer produces hard water at 150 mg/L with TDS 359.7 mg/L.