Butler Water Hardness & Quality Report (2026)
Water Hardness
10.6 grains per gallon
Source
reservoir
pH Level
8.2
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
433.7 mg/L
Est. Daily Cost
$0.48
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 Butler, your appliances are currently losing 24% efficiency due to mineral buildup.
| Appliance | In Butler | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.6 yrs | 8.5 yrs | -58% |
| Washing Machine | 6.9 yrs | 12 yrs | -43% |
| Water Heater | 8.3 yrs | 15 yrs | -45% |
Regional Water Comparison
How Butler compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Butler, Pennsylvania | 181.5 mg/L | 9.5 ppt | 🔴 Very Hard | reservoir |
| Cranberry Township, Pennsylvania | 201.5 mg/L | 10.6 ppt | 🔴 Very Hard | reservoir |
| Fernway, Pennsylvania | 139.5 mg/L | 7.4 ppt | 🟠 Hard | reservoir |
| Allison Park, Pennsylvania | 86.5 mg/L | 4.5 ppt | 🟡 Moderately Hard | reservoir |
| New Kensington, Pennsylvania | 183.5 mg/L | 9.6 ppt | 🔴 Very Hard | reservoir |
National Benchmark
How Butler compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Butler | 181.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Butler's Water Unique?
Local geology and source profile
Butler, Pennsylvania, in Butler County — the Butler County seat adjacent to Cranberry Township and Zelienople in west-central Pennsylvania — receives its water from the Butler Area Sewer Authority water system, drawing from Oneida Valley Reservoir (Butler County) through the west-central Pennsylvania distribution.
The hard 181.5 mg/L hardness and TDS of 433.7 mg/L reflect the west-central Pennsylvania Butler County supply's hard calcareous character — driven by the Pennsylvanian Allegheny Formation limestone beds and Silurian Clinton Group contacts beneath the Devonian insoluble cap, consistent with the western Pennsylvania Allegheny Plateau communities (compare Dunmore PA: 177.5/411.5; South Park Township PA: 173.5/404). The Oneida Valley watershed at Butler County — Silurian Clinton Group limestone (calcareous — primary hardness contributor), Pennsylvanian Allegheny Formation (slightly calcareous — secondary contributor), and Devonian Catskill Formation (insoluble — dilutant).
At 181.5 mg/L with TDS 434, Butler's water is hard. A water softener is recommended to prevent scale buildup. A reverse osmosis system is advisable for drinking water. The PFAS level of 9.5 ppt warrants a certified drinking water filter — the Butler County west-central Pennsylvania industrial corridor contribute to Butler's elevated readings.
Geology & Source: Butler in Butler County draws from the Butler Area Water Authority on Oneida Valley Reservoir (Butler County, west-central Pennsylvania) — the Oneida Valley watershed drains the Allegheny Plateau (Silurian Clinton Group — calcareous) over Devonian Catskill Formation (insoluble) — Pennsylvania Butler County Oneida Valley Silurian calcareous supply produces hard water at 181.5 mg/L with TDS 433.7 mg/L.