Grove City Water Hardness & Quality Report (2026)
Water Hardness
9.8 grains per gallon
Source
river
pH Level
8
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
334.7 mg/L
Est. Daily Cost
$0.45
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 Grove City, your appliances are currently losing 22% efficiency due to mineral buildup.
| Appliance | In Grove City | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.1 yrs | 8.5 yrs | -52% |
| Washing Machine | 7.4 yrs | 12 yrs | -38% |
| Water Heater | 8.9 yrs | 15 yrs | -41% |
Regional Water Comparison
How Grove City compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Grove City, Ohio | 167 mg/L | 6.5 ppt | 🟠 Hard | river |
| Upper Arlington, Ohio | 209.5 mg/L | 8.2 ppt | 🔴 Very Hard | river |
| Columbus, Ohio | 224.5 mg/L | 8.8 ppt | 🔴 Very Hard | river |
| Hilliard, Ohio | 111.5 mg/L | 4.3 ppt | 🟡 Moderately Hard | river |
| Bexley, Ohio | 218 mg/L | 8.6 ppt | 🔴 Very Hard | river |
National Benchmark
How Grove City compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Grove City | 167 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Grove City's Water Unique?
Local geology and source profile
Grove City, Ohio, in Franklin County southwest of Columbus — a major Franklin County Columbus suburban community, one of the fastest-growing Columbus southwest suburbs, a diverse Franklin County community with a strong working-class and middle-class character, adjacent to Columbus's south side, and a Columbus metro southwest suburban community in the rapidly growing Franklin County corridor — draws its municipal water supply via the Columbus Division of Water (CDW). Water hardness in Grove City measures 167 mg/L — classified as hard.
Grove City's hard supply reflects the Scioto River central Ohio watershed's highly calcareous geology and CDW distribution. The Scioto River at Columbus drains: the Silurian Niagaran Dolomite (highly calcareous dolomite — the Lockport Dolomite and Salina Formation of west-central Ohio); the Devonian Delaware Limestone and Columbus Limestone (highly calcareous marine limestone of the Ohio carbonate sequence); and the Wisconsin Age calcareous till (calcareous glacial deposits from the Erie–Ohio ice lobe). CDW delivers the calcareous Scioto River water to Grove City's south Franklin County distribution zone, producing the hard 167 mg/L.
At 167 mg/L, Grove City residents face regular hard water challenges. Monthly descaling with citric acid solution is standard maintenance. Columbus Division of Water consistently delivers water meeting all Ohio EPA and federal EPA Safe Drinking Water Act requirements.
Geology & Source: River supply from the Scioto River watershed via the Columbus Division of Water (CDW) — the Franklin County central Ohio Scioto Valley (Devonian Delaware Limestone and Silurian Niagaran Dolomite — the highly calcareous central Ohio carbonate sequence and Wisconsin Age calcareous till); hard supply at 167 mg/L — reflecting the Scioto River calcareous Ohio carbonate geology in the south Franklin County Grove City zone.