Coshocton Water Hardness & Quality Report (2026)
Water Hardness
11.4 grains per gallon
Source
river
pH Level
8.2
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
430 mg/L
Est. Daily Cost
$0.52
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 Coshocton, your appliances are currently losing 26% efficiency due to mineral buildup.
| Appliance | In Coshocton | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.2 yrs | 8.5 yrs | -62% |
| Washing Machine | 6.4 yrs | 12 yrs | -47% |
| Water Heater | 7.8 yrs | 15 yrs | -48% |
Regional Water Comparison
How Coshocton compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Coshocton, Ohio | 194.5 mg/L | 7.6 ppt | 🔴 Very Hard | river |
| Cambridge, Ohio | 219.5 mg/L | 8.6 ppt | 🔴 Very Hard | river |
| Zanesville, Ohio | 169 mg/L | 6.6 ppt | 🟠 Hard | river |
| Dover, Ohio | 100 mg/L | 3.8 ppt | 🟡 Moderately Hard | river |
| New Philadelphia, Ohio | 213.5 mg/L | 8.4 ppt | 🔴 Very Hard | river |
National Benchmark
How Coshocton compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Coshocton | 194.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Coshocton's Water Unique?
Local geology and source profile
Coshocton, Ohio, in Coshocton County — the Coshocton County seat adjacent to Roscoe Village and Fresno at the Walhonding-Tuscarawas confluence forming the Muskingum River — receives its water from the City of Coshocton Water Department, drawing from the Muskingum River through the east-central Ohio distribution.
The hard 194.5 mg/L hardness and TDS of 430 mg/L reflect the Coshocton County Muskingum River supply's hard calcareous character — the Mississippian Maxville Limestone and Pennsylvanian Allegheny Formation are calcareous formations in the east-central Ohio Appalachian Plateau, and the Muskingum River acquires substantial dissolved mineral content from its extensive limestone and coal-measure drainage (compare Roscoe Village OH: 191/422 in Coshocton County comparable; Fresno OH: 197/438 in Coshocton County comparable; Coshocton consistent hard from the same Coshocton County Muskingum River Mississippian calcareous supply). The Muskingum watershed — Mississippian Maxville Limestone (calcareous — primary hardness contributor), Pennsylvanian Allegheny Formation (calcareous — secondary contributor), and Quaternary Muskingum alluvium (calcareous — TDS contributor).
At 194.5 mg/L with TDS 430, Coshocton's water is hard — scale builds in appliances. Quarterly descaling is appropriate. The PFAS level of 7.6 ppt is elevated — a certified drinking water filter with PFAS removal is recommended. Review the City of Coshocton's annual water quality report.
Geology & Source: Coshocton in Coshocton County draws from the Coshocton Water on the Muskingum River (Coshocton County, east-central Ohio) — the Muskingum watershed at Coshocton County drains Mississippian Maxville Limestone (calcareous) and Pennsylvanian Allegheny Formation (calcareous) — Ohio Coshocton County Muskingum River Mississippian calcareous supply produces hard water at 194.5 mg/L with TDS 430 mg/L.