Springboro Water Hardness & Quality Report (2026)
Water Hardness
6.1 grains per gallon
Source
river
pH Level
7.6
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
160.5 mg/L
Est. Daily Cost
$0.28
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 Springboro, your appliances are currently losing 14% efficiency due to mineral buildup.
| Appliance | In Springboro | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.2 yrs | 8.5 yrs | -27% |
| Washing Machine | 9.7 yrs | 12 yrs | -19% |
| Water Heater | 11.4 yrs | 15 yrs | -24% |
Regional Water Comparison
How Springboro compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Springboro, Ohio | 104.5 mg/L | 4 ppt | 🟡 Moderately Hard | river |
| Miamisburg, Ohio | 143.5 mg/L | 5.5 ppt | 🟠 Hard | river |
| Centerville, Ohio | 164.5 mg/L | 6.4 ppt | 🟠 Hard | river |
| Lebanon, Ohio | 193.5 mg/L | 7.6 ppt | 🔴 Very Hard | river |
| West Carrollton City, Ohio | 109.5 mg/L | 4.2 ppt | 🟡 Moderately Hard | river |
National Benchmark
How Springboro compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Springboro | 104.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Springboro's Water Unique?
Local geology and source profile
Springboro, Ohio, in Warren County — a Warren County city adjacent to Franklin and Centerville in the south Dayton metro, a fast-growing Warren County suburb — receives its municipal water from Warren County Water or the Greater Cincinnati Water Works (GCWW) regional system, drawing from the Ohio River (Hamilton County intake) or the Great Miami River (Warren County alluvial wells).
The moderately hard 104.5 mg/L hardness and TDS of 160.5 mg/L reflect the Warren County-Cincinnati corridor supply character — moderately hard from the Cincinnati Arch Ordovician limestone drainage and the Great Miami-Ohio River calcareous supply. The Ordovician Cincinnatian Group (high-purity carbonate platform — classic Cincinnati bedrock exposed throughout southwest Ohio) is the primary hardness source for all southwest Ohio water supplies.
At 104.5 mg/L, Springboro's water is moderately hard — scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and faucet aerators need periodic cleaning. Quarterly descaling is appropriate. The PFAS level of 4.0 ppt warrants a certified drinking water filter — the Wright-Patterson Air Force Base (Montgomery County — AFFF in the Great Miami watershed), the Dayton industrial corridor, and the southwest Ohio PFAS background contribute to Springboro's readings.
Geology & Source: Springboro in Warren County draws from the Greater Cincinnati Water Works or Warren County Water on the Ohio River (Hamilton County) or the Little Miami River (Warren County) — the Ohio-Little Miami drain the Cincinnati Arch (Ordovician Cincinnatian limestone) — Ohio Cincinnati Arch Ordovician limestone carbonate drainage produces moderately hard water at 104.5 mg/L with TDS 160.5 mg/L in this Warren County Ohio city.