Water under Fayette County sits in old limestone and dolomite rock hundreds of feet down. This rock has tiny cracks and spaces where water slowly collects and moves. The same type of rock supplies wells across this whole region of Ohio.
Iron, manganese, and sulfate come from the minerals trapped in this limestone and dolomite. As groundwater sits in contact with the rock over time, these substances dissolve into the water. The low-oxygen conditions deep underground speed up this process. Chloride also appears naturally in the rock layers here.
Your water is extremely hard because limestone dissolves slowly and adds minerals. You will see thick white crusty buildup on pipes and fixtures. Iron stains sinks and laundry orange or brown, and the high sulfate can give water a salty or bitter taste.
Iron, manganese, and sulfate in Fayette County well water exceed EPA health standards. Chloride also exceeds safe limits. This is a high-urgency situation that needs your attention right away. Your well water requires testing and treatment to protect your family's health.
Long-term exposure to elevated iron and manganese can harm your nervous system and development in children. You will see orange and brown staining on sinks, toilets, and laundry. The water will taste metallic and unpleasant. Extreme hardness will clog pipes and damage water heaters. High sulfate levels can cause digestive problems and give water a bitter taste.
Get your well tested by a state-certified lab immediately—a comprehensive metals and minerals panel costs $200–400. A whole-house treatment system combining a water softener, iron filter, and sulfate removal can address these problems together. Contact the Ohio Department of Health or a licensed water treatment professional to discuss your options now.
| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|---|---|---|---|---|
| Iron | 32 | 61% | 22% · 19% · 59% | Moderate | High |
| Manganese | 52 | 61% | 23% · 17% · 60% | Moderate | High |
| Sulfate | 48 | 12% | 81% · 6% · 12% | Moderate | Moderate |
| Chloride | 51 | 12% | 78% · 10% · 12% | Moderate | Moderate |
| Arsenic | 4 | 0% | 100% · 0% · 0% | Low | Low |
| Fluoride | 20 | 0% | 95% · 5% · 0% | Moderate | Low |
| Nitrate | 7 | 0% | 100% · 0% · 0% | Low | Low |
| Nitrite | 2 | 0% | 100% · 0% · 0% | Low | Low |
| Sodium | 48 | — | — | Moderate | Low |
| pH | 5 | — | — | Low | Low |
| Nitrate | 1 | — | — | Low | Safe |
| Lead | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Hardness | 24 | — | — | Moderate | Low |
MCL = Maximum Contaminant Level (EPA limit for public water; used as benchmark for private wells). Distribution shows % of sampled wells in each concentration band. Methodology.
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