Tallmadge Water Hardness & Quality Report (2026)
Water Hardness
8.5 grains per gallon
Source
river
pH Level
7.9
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
269.4 mg/L
Est. Daily Cost
$0.39
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 Tallmadge, your appliances are currently losing 19% efficiency due to mineral buildup.
| Appliance | In Tallmadge | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.8 yrs | 8.5 yrs | -44% |
| Washing Machine | 8.2 yrs | 12 yrs | -32% |
| Water Heater | 9.8 yrs | 15 yrs | -35% |
Regional Water Comparison
How Tallmadge compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Tallmadge, Ohio | 146 mg/L | 5.6 ppt | 🟠 Hard | river |
| Cuyahoga Falls, Ohio | 221 mg/L | 8.7 ppt | 🔴 Very Hard | river |
| Stow, Ohio | 118 mg/L | 4.5 ppt | 🟡 Moderately Hard | river |
| Akron, Ohio | 160.5 mg/L | 6.2 ppt | 🟠 Hard | river |
| Kent, Ohio | 232.5 mg/L | 9.2 ppt | 🔴 Very Hard | river |
National Benchmark
How Tallmadge compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Tallmadge | 146 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Tallmadge's Water Unique?
Local geology and source profile
Tallmadge, Ohio, in Summit County — a Summit County city adjacent to Akron and Stow in the northeast Ohio metropolitan area — receives its municipal water from the Akron Water Supply, drawing from the Cuyahoga River and Portage Lakes (Summit County) through the Akron water system.
The moderately hard 146 mg/L hardness and TDS of 269.4 mg/L reflect the northeast Ohio Cuyahoga River supply's Silurian-Devonian carbonate character — similar to other northeast Ohio supply communities (Kent OH: 140 mg/L, similar Cuyahoga corridor). The Cuyahoga River drains the northeast Ohio Till Plain — Silurian Niagara Dolomite (the dominant northeast Ohio carbonate platform), Devonian Columbus Limestone (high-purity calcite — additional carbonate), and calcareous Pleistocene Kent and Woodfordian till (ground-up dolomite and limestone).
At 146 mg/L, Tallmadge's water is moderately hard — scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and bathroom fixtures develop calcium deposits. Quarterly descaling is appropriate. The PFAS level of 5.6 ppt warrants a certified drinking water filter — the Akron-Summit County industrial corridor, the Cuyahoga River historic industrial pollution legacy, and the northeast Ohio PFAS background contribute to Tallmadge's readings.
Geology & Source: Tallmadge in Summit County draws from Akron Water Supply on the Cuyahoga River (Summit County, northeast Ohio) — the Cuyahoga drains the Ohio Till Plain (Silurian Niagara Dolomite, Devonian Columbus Limestone, calcareous Pleistocene Kent-Woodfordian till) — Ohio Summit County Cuyahoga River Silurian-Devonian carbonate watershed produces moderately hard water at 146 mg/L with TDS 269.4 mg/L in this Summit County Ohio city.