Whitehall Water Hardness & Quality Report (2026)
Water Hardness
12.5 grains per gallon
Source
reservoir
pH Level
8.5
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
571 mg/L
Est. Daily Cost
$0.57
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 Whitehall, your appliances are currently losing 28% efficiency due to mineral buildup.
| Appliance | In Whitehall | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 2.6 yrs | 8.5 yrs | -69% |
| Washing Machine | 5.7 yrs | 12 yrs | -53% |
| Water Heater | 7.1 yrs | 15 yrs | -53% |
Regional Water Comparison
How Whitehall compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Whitehall, Pennsylvania | 213.5 mg/L | 11.2 ppt | 🔴 Very Hard | reservoir |
| Baldwin, Pennsylvania | 127.5 mg/L | 6.7 ppt | 🟠 Hard | reservoir |
| Mount Lebanon, Pennsylvania | 130.5 mg/L | 6.9 ppt | 🟠 Hard | reservoir |
| Bethel Park, Pennsylvania | 194 mg/L | 10.2 ppt | 🔴 Very Hard | reservoir |
| South Park Township, Pennsylvania | 146.5 mg/L | 7.7 ppt | 🟠 Hard | reservoir |
National Benchmark
How Whitehall compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Whitehall | 213.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Whitehall's Water Unique?
Local geology and source profile
Whitehall, Pennsylvania, in Allegheny County — an Allegheny County municipality adjacent to Mount Lebanon and Carnegie in the south Pittsburgh metro — receives its water from the Pittsburgh Water and Sewer Authority (PWSA) or a local system, drawing from the Monongahela River (Allegheny County) through the south Pittsburgh metro distribution.
The very hard 213.5 mg/L hardness and TDS of 571 mg/L reflect the southwest Pennsylvania Allegheny County Monongahela River supply's very hard calcareous character — reflecting the extensive coal mining drainage and calcareous Allegheny Plateau geology that contributes high mineral content to the Monongahela River, a characteristic of the Pittsburgh metro water supply. The Monongahela River at Allegheny County — Pennsylvanian Pittsburgh Coal and Limestone (calcareous — primary hardness and TDS contributor from mine drainage), Devonian Chemung Formation (slightly calcareous — secondary contributor), and Mississippian Greenbrier Limestone (calcareous).
At 213.5 mg/L with TDS 571, Whitehall's water is very hard. A water softener is strongly recommended to prevent rapid scale buildup. A reverse osmosis system is advisable for drinking water. The PFAS level of 11.2 ppt warrants a certified reverse osmosis drinking water filter — the Allegheny County Pittsburgh metro industrial corridor and Pittsburgh International Airport (Allegheny County — AFFF) contribute significantly to Whitehall's elevated readings.
Geology & Source: Whitehall in Allegheny County draws from the Pittsburgh Water and Sewer Authority on the Monongahela River (Allegheny County, southwest Pennsylvania) — the Monongahela at Allegheny County drains the Allegheny Plateau (Pennsylvanian Pittsburgh Coal — slightly calcareous, Devonian Chemung Formation — slightly calcareous) — Pennsylvania Allegheny County Monongahela River Plateau calcareous watershed produces very hard water at 213.5 mg/L with TDS 571 mg/L.