Your well water comes from old limestone and carbonate rock deep underground. This rock is full of cracks and spaces where water collects. The groundwater here has been in contact with these rocks for a long time.
Iron, manganese, and lead come straight from the carbonate rock itself. As groundwater sits in low-oxygen spaces deep below, these metals dissolve out of the stone. Radon forms naturally when radioactive elements in the rock break down over time. Sulfate builds up the same way—from minerals the water touches as it moves through the rock.
Your water is extremely hard and loaded with minerals. You will see white scale buildup on pipes, faucets, and water heaters. Iron stains sinks and laundry orange-brown. The high sodium and sulfate give the water an unpleasant taste and can cause problems if anyone in your household needs to limit salt intake.
Your well water in Schuylkill County exceeds EPA health standards for lead, manganese, iron, radon, and sulfate. This is a serious, multi-contaminant problem that needs your attention. Lead and manganese are particularly concerning for your family's health. The combination of these metals at the levels found in your area makes testing urgent.
Long-term exposure to lead harms the brain and kidneys, especially in children. Manganese at high levels can affect the nervous system and learning. You'll also notice orange staining on sinks and laundry from iron, thick white scale buildup on pipes and appliances from extreme hardness, and a bitter or unpleasant taste from sulfate. Radon gas released from your water into your home increases lung cancer risk over time.
Get your well tested by a state-certified lab right away. A basic health screen for bacteria and nitrate runs $50–100, but you need a comprehensive metals panel covering lead, manganese, iron, radon, and sulfate, which typically costs $200–400. A whole-house treatment system combining filtration and ion exchange can address multiple contaminants at once.
| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|---|---|---|---|---|
| Lead | 3 | 100% | 33% · 0% · 67% | Low | High |
| Manganese | 7 | 67% | 29% · 14% · 57% | Low | High |
| Iron | 41 | 62% | 29% · 10% · 61% | Moderate | High |
| Radon | 18 | 56% | 39% · 6% · 56% | Moderate | High ⓘ |
| Sulfate | 70 | 32% | 56% · 13% · 31% | Moderate | High |
| Chloride | 19 | 0% | 100% · 0% · 0% | Moderate | Low |
| Uranium | 6 | 0% | 100% · 0% · 0% | Low | Low |
| Arsenic | 4 | 0% | 75% · 25% · 0% | Low | Low |
| Nitrate | 7 | — | — | Low | Low |
| Fecal Coliform | 1 | — | — | Low | Safe |
| Nitrite | 1 | — | — | Low | Safe |
| Total Coliform | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Nitrite | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| E. coli | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Hardness | 41 | — | — | Moderate | Low |
| Nitrate | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Sodium | 52 | — | — | Moderate | Low |
| pH | 22 | — | — | Moderate | Low |
| Fluoride | 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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