Parma Heights Water Hardness & Quality Report (2026)
Water Hardness
9.6 grains per gallon
Source
river
pH Level
8
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
326.7 mg/L
Est. Daily Cost
$0.44
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 Parma Heights, your appliances are currently losing 22% efficiency due to mineral buildup.
| Appliance | In Parma Heights | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.2 yrs | 8.5 yrs | -51% |
| Washing Machine | 7.5 yrs | 12 yrs | -38% |
| Water Heater | 9 yrs | 15 yrs | -40% |
Regional Water Comparison
How Parma Heights compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Parma Heights, Ohio | 164.5 mg/L | 6.4 ppt | 🟠 Hard | river |
| Parma, Ohio | 164 mg/L | 6.4 ppt | 🟠 Hard | river |
| Brook Park, Ohio | 177 mg/L | 6.9 ppt | 🟠 Hard | river |
| Middleburg Heights, Ohio | 118 mg/L | 4.5 ppt | 🟡 Moderately Hard | river |
| North Royalton, Ohio | 246 mg/L | 9.7 ppt | 🔴 Very Hard | river |
National Benchmark
How Parma Heights compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Parma Heights | 164.5 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Parma Heights's Water Unique?
Local geology and source profile
Parma Heights, Ohio, in Cuyahoga County — a southwest suburban Cleveland community adjacent to Parma and Middleburg Heights, one of the densely populated outer-ring Cleveland southwest suburbs on the I-480 corridor — receives its municipal water from the Cleveland Water Department, which draws from Lake Erie at the Cleveland offshore intakes, serving the Parma-Parma Heights corridor as part of the greater Cleveland metropolitan water distribution system.
The moderately hard 164.5 mg/L hardness and TDS of 326.7 mg/L reflect Cleveland Water's Lake Erie supply character. Lake Erie is the shallowest and smallest-volume of the Great Lakes and receives substantial carbonate loading from the Ohio Devonian-Silurian carbonate platform (the same geological sequence underlying most of Ohio — Silurian Niagara Dolomite, Devonian Columbus Limestone, Devonian Ohio Shale). Multiple Ohio tributaries (Cuyahoga River, Grand River, Rocky River, Maumee River) contribute dissolved calcium and bicarbonate from the carbonate bedrock to Lake Erie, and the shallow depth concentrates dissolved minerals relative to the deeper lakes.
At 164.5 mg/L, Parma Heights'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 6.4 ppt warrants a certified drinking water filter — the Cuyahoga County heavy industrial legacy (Cleveland steel and chemical manufacturing), the Lake Erie basin's accumulated PFAS from the industrial Great Lakes corridor, and the Ohio manufacturing belt contribute to the Parma Heights supply's PFAS readings.
Geology & Source: Parma Heights in Cuyahoga County is served by the Cleveland Water Department treating Lake Erie — Lake Erie drains the western Great Lakes basin including the Silurian-Devonian carbonate platform of the Ohio-Ontario shore — Great Lakes carbonate platform drainage produces moderately hard water at 164.5 mg/L with TDS 327 mg/L in this Cuyahoga County Ohio suburb.