Mayfield Heights Water Hardness & Quality Report (2026)
Water Hardness
13.8 grains per gallon
Source
river
pH Level
8.5
neutral = 7.0
Lead
0.008 mg/L
✓ Below action level
TDS
599 mg/L
Est. Daily Cost
$0.63
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 Mayfield Heights, your appliances are currently losing 32% efficiency due to mineral buildup.
| Appliance | In Mayfield Heights | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.8 yrs | 8.5 yrs | -79% |
| Washing Machine | 4.8 yrs | 12 yrs | -60% |
| Water Heater | 6.1 yrs | 15 yrs | -59% |
Regional Water Comparison
How Mayfield Heights compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Mayfield Heights, Ohio | 237 mg/L | 9.3 ppt | 🔴 Very Hard | river |
| Lyndhurst, Ohio | 193.5 mg/L | 7.6 ppt | 🔴 Very Hard | river |
| South Euclid, Ohio | 235.5 mg/L | 9.3 ppt | 🔴 Very Hard | river |
| University Heights, Ohio | 220.5 mg/L | 8.7 ppt | 🔴 Very Hard | river |
| Wickliffe, Ohio | 180.5 mg/L | 7 ppt | 🔴 Very Hard | river |
National Benchmark
How Mayfield Heights compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Mayfield Heights | 237 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Mayfield Heights's Water Unique?
Local geology and source profile
Mayfield Heights, Ohio, in Cuyahoga County — a Cuyahoga County city adjacent to South Euclid and Gates Mills, in the east Cuyahoga County suburban corridor east of Cleveland — receives its municipal water from the Cleveland Water Division, drawing from Lake Erie at the Cleveland metropolitan water intakes.
The hard 237 mg/L hardness and high TDS of 599.0 mg/L are harder than many other Cleveland-area communities (Berea: 101 mg/L; Brook Park: 177 mg/L), likely reflecting the distribution zone characteristics, seasonal variation, or the specific treatment output at the Cleveland Division of Water Nottingham Plant serving the east Cleveland suburb corridor. Lake Erie at the Cleveland intakes is consistently moderately hard from the Silurian Niagara Dolomite and calcareous Pleistocene Erie Lobe glacial till drainage.
At 237 mg/L, Mayfield Heights' 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 9.3 ppt is elevated and warrants a certified reverse osmosis drinking water filter — the Cleveland east suburban industrial complex (Willoughby-Mentor Lake County industrial corridor), Lake Erie PFAS background, and the Cuyahoga County east suburban PFAS manufacturing legacy contribute to Mayfield Heights' elevated readings.
Geology & Source: Mayfield Heights in Cuyahoga County draws from the Cleveland Water Division on Lake Erie — Lake Erie receives drainage from the Great Lakes basin (Silurian Niagara Dolomite, Devonian Ohio Shale, calcareous Pleistocene till) — Lake Erie Great Lakes Silurian dolomite carbonate drainage produces hard water at 237 mg/L with high TDS 599 mg/L in this Cuyahoga County Ohio suburb.