North Olmsted Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
river
pH Level
8.5
neutral = 7.0
Lead
0.008 mg/L
✓ Below action level
TDS
623.4 mg/L
Est. Daily Cost
$0.40
energy & soap waste
Source: See methodology section below · 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 North Olmsted, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In North Olmsted | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.8 yrs | 8.5 yrs | -20% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 12 yrs | 15 yrs | -20% |
Regional Water Comparison
How North Olmsted compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ North Olmsted, Ohio | ≈ 120–179 mg/L | 9.6 ppt | 🟠 Hard | river |
| Westlake, Ohio | ≈ 120–179 mg/L | 6.4 ppt | 🟠 Hard | river |
| Fairview Park, Ohio | ≈ 120–179 mg/L | 7.4 ppt | 🟠 Hard | river |
| Bay Village, Ohio | ≈ 120–179 mg/L | 9.3 ppt | 🟠 Hard | river |
| Berea, Ohio | ≈ 180+ mg/L | 0 ppt | 🔴 Very Hard | river |
National Benchmark
How North Olmsted compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ North Olmsted | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
Bring Scarsdale-quality water to your North Olmsted home
Shop water softeners on Amazon.com →
What Makes North Olmsted's Water Unique?
Local geology and source profile
North Olmsted, Ohio, receives its drinking water from the Cleveland Division of Water, the public utility serving Cuyahoga County and surrounding areas. The primary source is Lake Erie, with raw water drawn from the lake and processed at the Division Avenue Water Treatment Plant and Bates Road Water Treatment Plant. These facilities treat surface water for over 800,000 customers across more than 70 communities. No groundwater aquifer is used; the supply is entirely surface water from the lake.
The watershed is the Lake Erie basin, specifically the nearshore waters off Cleveland, influenced by the region's glacial history and underlying Paleozoic bedrock. Devonian-age shale, limestone, and dolomite formations — including the Columbus Limestone — dominate the geology around the western basin, leaching minerals into tributaries and the lake. This carbonate-rich geology imparts a hard character to the water, with dissolved calcium and magnesium from limestone dissolution shaping the mineralized profile typical of Great Lakes surface supplies in Ohio.
At moderately hard levels, water leaves noticeable scale deposits on fixtures, glassware, and inside pipes, reducing efficiency in dishwashers, washing machines, and water heaters. Faucet aerators and showerheads clog faster, while soap lathers poorly, requiring more detergent. Regular cleaning of aerators and hot water heater flushing every six months helps mitigate buildup. A water softener is recommended to extend appliance life and improve cleaning performance. Cleveland Water maintains pH 8.0–9.0 via lime softening; PFAS monitoring shows non-detect levels; disinfection byproducts and trihalomethanes remain within limits.
Geology & Source: Lake Erie basin, northern Ohio; Devonian Columbus Limestone and Silurian dolomite formations — carbonate dissolution over glacial deposits leaches calcium and magnesium, producing hard Great Lakes surface supply
Other Ohio Water Reports
Report an Issue
Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.
All reports are reviewed by our team. Thank you for supporting data quality!
Frequently Asked Questions
Is North Olmsted's water safe to drink?
Do I need a water softener in North Olmsted?
How does North Olmsted compare to the USA average?
Data Sources & Methodology
Water quality data for North Olmsted is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
Water Hardness
Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.
pH
Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.
TDS — Total Dissolved Solids
Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.
PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances
EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.
Lead
Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.
Appliance Lifespan
Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.