Well Water in Bradford County: What to Test and Why

Moderate Risk
Testing Recommended 28748 samples analyzed
Top Concerns in This County
Radon Iron Chloride

Why This Happens Here

Groundwater in Bradford County contains radon, chloride, and iron as the primary contaminants well owners should know about. Several of these contaminants exceed EPA health standards and require attention.

These contaminants come from the Mississippian rock beneath the county. Radon forms naturally from radioactive minerals in the bedrock. Iron and chloride dissolve from the rock as groundwater moves slowly through cracks and fractures. Road salt applied to highways during winter seeps down and accumulates as chloride in the water.

Groundwater in Bradford County is moderately hard, driven by calcium and magnesium from the limestone and mineral-rich rock layers below. Iron at moderate levels also shapes the water's character. These mineral and contaminant characteristics show up across many wells in the county.

What This Means for You

Wells in Bradford County commonly have chloride, sulfate, iron, lead, and radon at levels above EPA health standards. Lead damages brain development in children and harms the nervous system in adults. Radon is a radioactive gas that increases lung cancer risk over time. Chloride and sulfate at elevated levels can affect people with certain health conditions. Iron itself is not toxic, but these multiple contaminants together create a serious situation requiring attention.

The moderately hard water in Bradford County wells causes visible staining and buildup. Iron leaves orange or rust-colored deposits on sinks, toilets, and laundry. You may notice a metallic taste in your water. Hard water also shortens the lifespan of water heaters and dishwashers over time.

We recommend a comprehensive metals and minerals panel to test your well, since multiple contaminants exceed health standards in this county. Every well is different, and your well may have higher or lower levels than what is common here. Testing is the only way to know what is actually in your water so it can be treated properly. A comprehensive panel typically costs $200 to $400, and treatment options like aeration systems and activated carbon filters are available for these contaminants.

Not sure if your well is affected? Get certified results in 5–7 days.

Test Your Well Water with Tap Score →

Contaminant Detection Data

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
Elevated concentration, not % above limit
Sulfate 64 3% 89% · 8% · 3% Moderate Moderate
Elevated concentration, not % above limit
Arsenic 2 0% 100% · 0% · 0% Low Low
Uranium 51 0% 100% · 0% · 0% Moderate Low
Nitrite 20 0% 100% · 0% · 0% Moderate Low
Nitrite 16 0% 100% · 0% · 0% Moderate Low
PFOA ⓘ municipal 85 0% 98% · 2% · 0% Moderate Low
PFOS ⓘ municipal 85 0% 99% · 1% · 0% Moderate Low
HFPO-DA (GenX) ⓘ municipal 49 0% 100% · 0% · 0% Moderate Safe
PFHxS ⓘ municipal 10 0% 100% · 0% · 0% Low Safe
PFNA ⓘ municipal 10 0% 100% · 0% · 0% Low Safe
PFBS ⓘ municipal 49 100% · 0% · 0% Moderate Low
Nitrate 1 0% 100% · 0% · 0% Low Safe
pH 11 Low Low
Fecal Coliform 1 0% 100% · 0% · 0% Low Safe
Total Coliform 1 0% 100% · 0% · 0% Low Safe
Manganese 1 0% 100% · 0% · 0% Low Safe
E. coli 1 0% 100% · 0% · 0% Low Safe
Fluoride 1 0% 100% · 0% · 0% Low Safe
Hardness 30 Moderate Low
Sodium 91 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.

Data shows potential risk — a certified test confirms whether your water is affected.

Order a Tap Score Test →

Population Health Context

Population-level CDC data. Not individual risk prediction.

8.4%
Cancer Prevalence
(state avg: 7.0%)
9.1%
Heart Disease Rate
(state avg: 7.2%)

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