Twinsburg Water Hardness & Quality Report (2026)
Water Hardness
11.9 grains per gallon
Source
river
pH Level
8.3
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
463.3 mg/L
Est. Daily Cost
$0.54
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 Twinsburg, your appliances are currently losing 27% efficiency due to mineral buildup.
| Appliance | In Twinsburg | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 2.9 yrs | 8.5 yrs | -66% |
| Washing Machine | 6.1 yrs | 12 yrs | -49% |
| Water Heater | 7.5 yrs | 15 yrs | -50% |
Regional Water Comparison
How Twinsburg compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Twinsburg, Ohio | 203.5 mg/L | 8 ppt | 🔴 Very Hard | river |
| Hudson, Ohio | 147.5 mg/L | 5.7 ppt | 🟠 Hard | river |
| Solon, Ohio | 229 mg/L | 9 ppt | 🔴 Very Hard | river |
| Aurora, Ohio | 207.5 mg/L | 8.1 ppt | 🔴 Very Hard | river |
| Streetsboro, Ohio | 120 mg/L | 4.6 ppt | 🟠 Hard | river |
National Benchmark
How Twinsburg compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Twinsburg | 203.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Twinsburg's Water Unique?
Local geology and source profile
Twinsburg, Ohio, in Summit County — a Summit County city adjacent to Macedonia and Aurora, in the northeast Ohio suburban corridor southeast of Cleveland — receives its municipal water from the Twinsburg Water Division or through the Akron Water system, drawing from the Cuyahoga River or Lake Erie supply through the Summit County-Cuyahoga County distribution network.
The hard 203.5 mg/L hardness and elevated TDS of 463.3 mg/L reflect the Cuyahoga River watershed's northeast Ohio Allegheny Plateau geology — harder than the Lake Erie-only supplies (Berea: 101 mg/L), suggesting the Twinsburg area receives water from a more mineralized treatment zone or from a Cuyahoga River supply with greater carbonate contact. The Cuyahoga River drains the Allegheny Plateau (Devonian Berea Sandstone, Mississippian Cuyahoga Formation, and calcareous Pleistocene Wisconsin till), producing the harder water characteristic of the upper Cuyahoga supply.
At 203.5 mg/L, Twinsburg's water is hard — scale builds rapidly in appliances and plumbing. A water softener is recommended. Dishes spot heavily, and bathroom fixtures develop calcium deposits quickly. The PFAS level of 8.0 ppt warrants a certified reverse osmosis drinking water filter — the Summit County rubber-manufacturing industrial complex (Goodyear Tire, BF Goodrich — Akron legacy PFAS), the Cuyahoga River industrial corridor, and the northeast Ohio PFAS complex contribute to Twinsburg's elevated readings.
Geology & Source: Twinsburg in Summit County draws from the Twinsburg Water Division or Akron Water on the Cuyahoga River (Summit County) — the Cuyahoga drains the Allegheny Plateau (Devonian Berea Sandstone, Mississippian Cuyahoga Formation, calcareous Pleistocene till) — Ohio Allegheny Plateau Devonian-Mississippian calcareous drainage produces hard water at 203.5 mg/L with elevated TDS 463 mg/L in this Summit County Ohio city.