Levittown Water Hardness & Quality Report (2026)
Water Hardness
4.8 grains per gallon
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
139.9 mg/L
Est. Daily Cost
$0.22
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 Levittown, your appliances are currently losing 11% efficiency due to mineral buildup.
| Appliance | In Levittown | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.9 yrs | 8.5 yrs | -19% |
| Washing Machine | 10.5 yrs | 12 yrs | -13% |
| Water Heater | 12.3 yrs | 15 yrs | -18% |
Regional Water Comparison
How Levittown compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Levittown, New York | 82.5 mg/L | 4 ppt | 🟡 Moderately Hard | reservoir |
| Bethpage, New York | 90 mg/L | 4.4 ppt | 🟡 Moderately Hard | reservoir |
| North Bellmore, New York | 174 mg/L | 8.3 ppt | 🟠 Hard | reservoir |
| Wantagh, New York | 121 mg/L | 5.8 ppt | 🟠 Hard | reservoir |
| Hicksville, New York | 151.5 mg/L | 7.3 ppt | 🟠 Hard | reservoir |
National Benchmark
How Levittown compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Levittown | 82.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Levittown's Water Unique?
Local geology and source profile
Levittown, New York, in Nassau County on Long Island — the iconic post-World War II planned suburb built by William Levitt in 1947–1951, the original American postwar suburb and one of the first mass-produced planned communities in the United States, now a diverse Nassau County community — draws its municipal water supply from the Long Island Aquifer System — the Upper Glacial Aquifer and Magothy Aquifer — via the Levittown Water District and Nassau County Department of Public Works. Water hardness in Levittown measures 82.5 mg/L — classified as moderately soft.
Levittown's moderate softness — notably softer than nearby Hempstead (143.5 mg/L) in the same Nassau County aquifer system — reflects the Levittown sub-basin's Upper Glacial Aquifer characteristics in the central Hempstead Plains. The Levittown area's Upper Glacial Aquifer is a thick, clean Pleistocene glacial outwash deposit of predominantly quartz sand from the Harbor Hill Moraine — a siliceous, calcium-poor outwash compared to some Nassau County zones closer to the moraine with higher calcareous content. The cleaner quartz-dominant outwash in the Levittown Hempstead Plains sub-basin produces the moderate 82.5 mg/L — softer than many Long Island groundwater supplies.
With hardness at 82.5 mg/L, Levittown residents enjoy moderately soft water with minimal scale challenges. Levittown Water District consistently delivers water meeting all New York State DOH and EPA Safe Drinking Water Act requirements.
Geology & Source: Groundwater from the Long Island Aquifer System (Upper Glacial and Magothy Aquifers) via the Nassau County Department of Public Works and the Levittown Water District — the Nassau County Long Island Pleistocene glacial outwash plain (Nassau–Hempstead Plains sub-basin); moderately soft supply at 82.5 mg/L — reflecting the Nassau County mid-island glacial outwash's relatively calcium-poor siliceous geology in the Levittown sub-basin.