Your well water draws from old Mississippian rock buried deep underground. This rock is cracked and broken, which lets water seep through it slowly over many years. The cracks act like tiny pipes carrying groundwater down to your well.
Radon comes from natural radioactive elements in the rock itself. Chloride enters from road salt that washes down through soil and into the cracks during winter and spring. Iron dissolves directly from the rock as water sits in contact with it for a long time. Lead can come from pipes or natural deposits in the rock.
The water here is extremely hard and loaded with minerals. You will see white scale buildup on faucets and showers, and orange-brown staining from iron on sinks and laundry. The high sodium and sulfate mean the water tastes salty and can corrode pipes and water heaters quickly.
Radon exceeds EPA health standards in Bradford County well water. Chloride, iron, lead, and sulfate also exceed their health limits. Your water requires testing and likely treatment to protect your family's health.
Long-term radon exposure increases lung cancer risk. Iron at these levels stains sinks, toilets, and laundry orange-brown and leaves rust-colored residue. The water is extremely hard, causing heavy white scale buildup on fixtures and reducing appliance lifespan. High sulfate and sodium levels affect water taste and quality.
Get your well tested by a state-certified lab right away. A basic bacteria and nitrate screen runs $50–100, while a comprehensive metals and radon panel runs $200–400. An aeration system combined with a water softener and iron filter can address multiple problems at once.
| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|---|---|---|---|---|
| Radon | 40 | 65% | 20% · 15% · 65% | Moderate | High ⓘ |
| Chloride | 100 | 18% | 74% · 8% · 18% | High | High |
| Iron | 7 | 17% | 71% · 14% · 14% | Low | High |
| Lead | 70 | 4% | 89% · 7% · 4% | Moderate | Moderate |
| Sulfate | 64 | 3% | 89% · 8% · 3% | Moderate | Moderate |
| Nitrite | 20 | 0% | 100% · 0% · 0% | Moderate | Low |
| Uranium | 51 | 0% | 100% · 0% · 0% | Moderate | Low |
| Arsenic | 2 | 0% | 100% · 0% · 0% | Low | Low |
| Hardness | 30 | — | — | Moderate | Low |
| E. coli | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Total Coliform | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Fecal Coliform | 1 | — | — | Low | Safe |
| Nitrite | 16 | — | — | Moderate | Low |
| Nitrate | 50 | — | — | Moderate | Low |
| Sodium | 91 | — | — | Moderate | Low |
| Nitrate | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| pH | 11 | — | — | Low | Low |
| Fluoride | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Manganese | 1 | 0% | 100% · 0% · 0% | Low | Safe |
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.
Population-level CDC data. Not individual risk prediction.
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