Water in Wyoming County sits in old limestone and similar rock layers deep underground. These rocks formed from ancient seas and are now broken by natural cracks and fractures. Groundwater fills these cracks and moves slowly through the stone.
The geology here protects the water from contamination. The thick layers of rock above filter out pollutants and keep harmful substances from reaching the water below. Distance from major sources of pollution and the dense nature of the bedrock work together to keep the groundwater clean.
The water from these limestone rocks tends to be hard. Hardness means minerals dissolve into the water as it moves through the stone. You may see white scale buildup on pipes and fixtures, but this is a mineral issue rather than a health concern.
Good news—testing done on wells in Wyoming County shows no contaminants that exceed EPA health standards. Your area's groundwater appears to be free of the serious concerns found in neighboring counties. This does not mean your individual well is problem-free, but the regional data is encouraging.
Without mineral data available from your county's testing, we cannot identify quality-of-life issues like staining, scaling, or taste problems. Those issues only show up in some wells depending on local geology and water chemistry. Your well might be fine, or it might have minerals that affect your water's appearance or taste.
Get your well tested by a state-certified lab to know what is actually coming from your tap. A basic health screen for bacteria and nitrate costs fifty to one hundred dollars. A comprehensive metals and minerals panel runs two hundred to four hundred dollars. Contact your county Penn State Extension office for a list of certified labs.
| Contaminant | Samples ⓘ | % Above MCL ⓘ | Distribution ⓘ | Confidence ⓘ | Risk ⓘ |
|---|---|---|---|---|---|
| Radon | 3 | 67% | 0% · 33% · 67% | Low | High ⓘ |
| Iron | 7 | 67% | 43% · 0% · 57% | Low | High |
| Arsenic | 17 | 12% | 82% · 6% · 12% | Moderate | Moderate |
| Chloride | 73 | 7% | 88% · 6% · 7% | Moderate | Moderate |
| Sulfate | 34 | 3% | 94% · 3% · 3% | Moderate | Moderate |
| Lead | 77 | 3% | 86% · 12% · 3% | Moderate | Low |
| Fluoride | 3 | 0% | 100% · 0% · 0% | Low | Low |
| Uranium | 11 | 0% | 100% · 0% · 0% | Low | Low |
| Sodium | 70 | — | — | Moderate | Low |
| Nitrate | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Nitrite | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Fecal Coliform | 1 | — | — | Low | Safe |
| Manganese | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| pH | 13 | — | — | Low | Low |
| Total Coliform | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| E. coli | 1 | 0% | 100% · 0% · 0% | Low | Safe |
| Hardness | 30 | — | — | 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.
Population-level CDC data. Not individual risk prediction.
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