Fairborn Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
river
pH Level
7.8
neutral = 7.0
Lead
0.006 mg/L
✓ Below action level
TDS
427 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 Fairborn, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Fairborn | 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 Fairborn compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Fairborn, Ohio | ≈ 120–179 mg/L | 7.6 ppt | 🟠 Hard | river |
| Huber Heights, Ohio | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
| Riverside, Ohio | ≈ 180+ mg/L | 10.1 ppt | 🔴 Very Hard | river |
| Beavercreek, Ohio | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
| Xenia, Ohio | ≈ 180+ mg/L | 0 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Fairborn compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Fairborn | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Fairborn's Water Unique?
Local geology and source profile
The City of Fairborn Public Water System serves approximately 33,000 residents in Fairborn, Ohio, located in Greene County and the Miami Valley. Water is drawn from local well fields tapping a sand and gravel aquifer; the Ohio EPA has assessed this aquifer as highly susceptible to contamination. Standard groundwater treatment includes disinfection. Residents may contact the utility at 937-754-3097 or consult the 2022 Drinking Water Quality Report via Greene County resources for further detail on water quality compliance.
The supply relies on the Miami Valley aquifer system, a shallow unconfined sand and gravel formation underlain by Devonian-age limestone bedrock from the Paleozoic era. This geology features high permeability, allowing rapid recharge from local precipitation, but also vulnerability to surface contaminants including volatile organic compounds and nitrates. Dissolution of the underlying limestone imparts a hard character with notable calcium and magnesium content, influencing overall water chemistry through natural leaching processes in the region's karst-influenced terrain.
Hard water in Fairborn leads to scale buildup in water heaters, dishwashers, washing machines, and faucets, with an estimated $1,400 or more in annual damage potential from mineral deposits. Reduced appliance efficiency, spotty dishes, dry skin, and poor soap lathering are common effects. Regular deliming of heaters and vinegar soaks for fixtures are recommended; a water softener is advised to extend appliance life. Testing detects over 10 contaminants exceeding health guidelines — including Chromium (hexavalent), Nitrate, disinfection byproducts, and radioactive Radium — though legally compliant. The source water assessment highlights high contamination susceptibility from volatile organics and nitrates impacting the aquifer.
Geology & Source: Miami Valley sand and gravel aquifer overlying Devonian-age limestone bedrock; Paleozoic carbonate dissolution elevates calcium and magnesium — hard groundwater; shallow unconfined aquifer highly susceptible to surface contamination
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Frequently Asked Questions
Is Fairborn's water safe to drink?
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How does Fairborn compare to the USA average?
Data Sources & Methodology
Water quality data for Fairborn 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.