North Babylon Water Hardness & Quality Report (2026)
Water Hardness
10.1 grains per gallon
Source
reservoir
pH Level
8.2
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
458 mg/L
Est. Daily Cost
$0.46
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 North Babylon, your appliances are currently losing 23% efficiency due to mineral buildup.
| Appliance | In North Babylon | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.9 yrs | 8.5 yrs | -54% |
| Washing Machine | 7.2 yrs | 12 yrs | -40% |
| Water Heater | 8.7 yrs | 15 yrs | -42% |
Regional Water Comparison
How North Babylon compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ North Babylon, New York | 173.5 mg/L | 8.3 ppt | 🟠 Hard | reservoir |
| West Islip, New York | 151 mg/L | 7.2 ppt | 🟠 Hard | reservoir |
| West Babylon, New York | 140.5 mg/L | 6.7 ppt | 🟠 Hard | reservoir |
| Deer Park, New York | 117.5 mg/L | 5.7 ppt | 🟡 Moderately Hard | reservoir |
| Lindenhurst, New York | 92.5 mg/L | 4.5 ppt | 🟡 Moderately Hard | reservoir |
National Benchmark
How North Babylon compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ North Babylon | 173.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes North Babylon's Water Unique?
Local geology and source profile
North Babylon, New York, in Suffolk County — an unincorporated Suffolk County community adjacent to Babylon and West Babylon in the south Suffolk County corridor, in the heart of Long Island's south shore — receives its municipal water from the Suffolk County Water Authority (SCWA), drawing from the Long Island Aquifer (Upper Glacial and Magothy Aquifers) through local well fields in south Suffolk County.
The hard 173.5 mg/L hardness and elevated TDS of 458 mg/L are unusual for the Long Island Aquifer (which is typically much softer in Nassau County: 69 mg/L). North Babylon's reading matches the adjacent North Amityville suffolk reading (173.5 mg/L, TDS 457.8) exactly — suggesting the south Suffolk County Long Island Aquifer at these communities contacts harder, more mineral-rich aquifer horizons than the north Suffolk-Nassau County sections, possibly from deeper Cretaceous Magothy Formation production with elevated TDS, or saltwater intrusion from the south shore proximity.
At 173.5 mg/L, North Babylon's water is hard — scale builds steadily in kettles and appliances, dishwashers benefit from rinse aid, and water heaters should be descaled annually. Monthly descaling is recommended. The PFAS level of 8.3 ppt warrants a certified drinking water filter — Grumman Aerospace Bethpage (Nassau County), the Republic Airport AFFF plume (Suffolk County), and the Nassau-Suffolk Long Island PFAS complex contribute to North Babylon's elevated readings.
Geology & Source: North Babylon in Suffolk County draws from Suffolk County Water Authority on the Long Island Aquifer (south Suffolk County) — the Long Island Aquifer is developed in Pleistocene glacial outwash sand and Cretaceous Magothy Formation (insoluble quartz sand) — New York Long Island Pleistocene glacial-Cretaceous aquifer produces hard water at 173.5 mg/L with TDS 458 mg/L in this Suffolk County New York community.