Washington Court House Water Hardness & Quality Report (2026)
Water Hardness
14.6 grains per gallon
Source
river
pH Level
8.5
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
659.3 mg/L
Est. Daily Cost
$0.67
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 Washington Court House, your appliances are currently losing 33% efficiency due to mineral buildup.
| Appliance | In Washington Court House | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 4.3 yrs | 12 yrs | -64% |
| Water Heater | 5.6 yrs | 15 yrs | -63% |
Regional Water Comparison
How Washington Court House compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Washington Court House, Ohio | 250.5 mg/L | 9.9 ppt | 🔴 Very Hard | river |
| Wilmington, Ohio | 140.5 mg/L | 5.4 ppt | 🟠 Hard | river |
| Grove City, Ohio | 167 mg/L | 6.5 ppt | 🟠 Hard | river |
| Circleville, Ohio | 200 mg/L | 7.8 ppt | 🔴 Very Hard | river |
| Chillicothe, Ohio | 209.5 mg/L | 8.2 ppt | 🔴 Very Hard | river |
National Benchmark
How Washington Court House compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Washington Court House | 250.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Washington Court House's Water Unique?
Local geology and source profile
Washington Court House, Ohio, in Fayette County — the Fayette County seat adjacent to Chillicothe and Wilmington in south-central Ohio — receives its water from Washington Court House Utilities, drawing from Paint Creek (Fayette County) through the south-central Ohio water treatment system.
The very hard 250.5 mg/L hardness and high TDS of 659.3 mg/L reflect the south-central Ohio Fayette County Till Plains supply's very hard calcareous character — consistent with other Ohio Scioto River basin communities receiving extreme mineral dissolution from the deep Ordovician calcareous bedrock through calcareous glacial till. The Paint Creek watershed at Fayette County drains the Ohio Till Plains — Ordovician Trenton Limestone (calcareous — primary hardness contributor), Ordovician Black River Limestone (calcareous — secondary contributor), and Quaternary calcareous glacial till from Ordovician-Silurian dolomite bedrock.
At 250.5 mg/L with TDS 659, Washington Court House's water is very hard. A water softener is strongly recommended to prevent rapid scale buildup and shortened appliance lifespans. A reverse osmosis system is advisable for drinking water. The PFAS level of 9.9 ppt warrants a certified reverse osmosis drinking water filter — the Fayette County south-central Ohio industrial corridor and Wright-Patterson Air Force Base (Greene County — AFFF) contribute to Washington Court House's elevated readings.
Geology & Source: Washington Court House in Fayette County draws from the Washington Court House Utilities on Paint Creek or the Scioto River system (Fayette County, south-central Ohio) — the watershed drains the Ohio Till Plains (Ordovician Trenton Limestone — calcareous) through deep calcareous glacial till — Ohio Fayette County Paint Creek Ordovician calcareous limestone till watershed produces very hard water at 250.5 mg/L with TDS 659.3 mg/L.