Ravenna Water Hardness & Quality Report (2026)
Water Hardness
5.9 grains per gallon
Source
river
pH Level
7.5
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
152.3 mg/L
Est. Daily Cost
$0.27
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 Ravenna, your appliances are currently losing 13% efficiency due to mineral buildup.
| Appliance | In Ravenna | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.3 yrs | 8.5 yrs | -26% |
| Washing Machine | 9.9 yrs | 12 yrs | -17% |
| Water Heater | 11.6 yrs | 15 yrs | -23% |
Regional Water Comparison
How Ravenna compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Ravenna, Ohio | 101 mg/L | 3.8 ppt | 🟡 Moderately Hard | river |
| Kent, Ohio | 232.5 mg/L | 9.2 ppt | 🔴 Very Hard | river |
| Streetsboro, Ohio | 120 mg/L | 4.6 ppt | 🟠 Hard | river |
| Aurora, Ohio | 207.5 mg/L | 8.1 ppt | 🔴 Very Hard | river |
| Stow, Ohio | 118 mg/L | 4.5 ppt | 🟡 Moderately Hard | river |
National Benchmark
How Ravenna compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Ravenna | 101 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Ravenna's Water Unique?
Local geology and source profile
Ravenna, Ohio, in Portage County — a Portage County city adjacent to Kent and Streetsboro on the upper Cuyahoga River in northeast Ohio — receives its water from the City of Ravenna Water Department, drawing from the Cuyahoga River through the northeast Ohio distribution.
The moderately hard 101 mg/L hardness and TDS of 152.3 mg/L reflect the Portage County upper Cuyahoga supply's moderate character — the Pennsylvanian Sharon Conglomerate is slightly calcareous, while the Mississippian Berea Sandstone is largely insoluble, producing moderately soft water in the upper Cuyahoga headwaters compared to downstream Lake Erie supplies (compare Kent OH: 98/146 in Portage County comparable; Streetsboro OH: 104/158 in Portage County comparable; Ravenna consistent moderate from the same Portage County Cuyahoga River Pennsylvanian supply). The upper Cuyahoga watershed — Pennsylvanian Sharon Conglomerate (slightly calcareous — primary hardness contributor), Mississippian Berea Sandstone (insoluble — dilutant), and Quaternary glacial till (calcareous — minor TDS).
At 101 mg/L with TDS 152, Ravenna's water is moderately hard — mild scale buildup in appliances. Semi-annual descaling is appropriate. The PFAS level of 3.8 ppt is moderate — a certified filter provides added protection. Review the City of Ravenna's annual water quality report for the latest data.
Geology & Source: Ravenna in Portage County draws from the City of Ravenna Water on the Cuyahoga River (Portage County, northeast Ohio) — the Cuyahoga watershed at Portage County drains Pennsylvanian Sharon Conglomerate (slightly calcareous) and Mississippian Berea Sandstone (insoluble) — Ohio Portage County Cuyahoga River Pennsylvanian supply produces moderately hard water at 101 mg/L with TDS 152.3 mg/L.