Well Water in Chenango County: What to Test and Why

High Risk
Testing Strongly Recommended 4433 samples analyzed
Top Concerns in This County
Radon Iron

Why This Happens Here

Groundwater in Chenango County contains radon, iron, chloride, and lead. Chloride, iron, radon, and lead all exceed EPA health standards in this county's water.

The limestone and carbonate rock beneath Chenango County naturally releases iron and contributes to chloride levels in the groundwater. Radon seeps into groundwater from radioactive decay within the rock itself. Chloride also enters from road salt and other surface sources that move down through the soil into wells.

Groundwater in this county is moderately hard, driven by calcium and magnesium dissolving from the limestone below. The moderate iron concentration comes from the same rock layers where water spends time picking up minerals as it moves underground. These characteristics are common across wells throughout Chenango County.

What This Means for You

Wells in Chenango County commonly contain chloride, iron, lead, and radon at levels that exceed EPA health standards. Lead exposure harms children's developing brains and can affect learning and behavior even at low levels. Radon is a radioactive gas that increases the risk of lung cancer when you breathe it over time. Chloride at elevated levels can damage your kidneys and heart, especially if you have high blood pressure. Iron itself does not pose a direct health risk, but the other contaminants in county wells do require attention.

The moderately hard water in Chenango County wells can leave orange or brown stains on fixtures, laundry, and dishes. Iron buildup can clog pipes and reduce water pressure over time. Some people notice a metallic or bitter taste in their water. Hard water makes soap less effective and can shorten the lifespan of water heaters and dishwashers.

Your well could have higher or lower levels of these contaminants than what is common across the county. Testing is the only way to know what is actually in your water so it can be properly treated. We recommend a comprehensive metals and radon panel, which typically costs $200-400. Treatment options like radon ventilation systems, iron filters, and reverse osmosis can address these concerns once testing confirms what you are dealing with.

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 20 45% 40% · 15% · 45% Moderate High
Iron 21 30% 52% · 19% · 29% Moderate High
Chloride 14 8% 93% · 0% · 7% Low Moderate
Lead 43 5% 91% · 5% · 5% Moderate Moderate
Elevated concentration, not % above limit
Sulfate 34 0% 100% · 0% · 0% Moderate Low
Fluoride 2 0% 100% · 0% · 0% Low Low
Arsenic 2 0% 100% · 0% · 0% Low Low
Uranium 15 0% 100% · 0% · 0% Moderate Low
PFOA ⓘ municipal 12 0% 100% · 0% · 0% Low Low
HFPO-DA (GenX) ⓘ municipal 6 0% 100% · 0% · 0% Low Safe
PFHxS ⓘ municipal 6 0% 100% · 0% · 0% Low Safe
PFNA ⓘ municipal 11 0% 100% · 0% · 0% Low Safe
PFOS ⓘ municipal 9 0% 100% · 0% · 0% Low Safe
PFBS ⓘ municipal 6 100% · 0% · 0% Low Safe
Hardness 17 Moderate Low
Fecal Coliform 1 0% 100% · 0% · 0% Low Safe
E. coli 1 0% 100% · 0% · 0% Low Safe
Total Coliform 1 0% 100% · 0% · 0% Low Safe
Nitrate 1 0% 100% · 0% · 0% Low Safe
Nitrite 1 0% 100% · 0% · 0% Low Safe
Manganese 1 0% 100% · 0% · 0% Low Safe
Sodium 57 Moderate Low
pH 10 Low 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.

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Population Health Context

Population-level CDC data. Not individual risk prediction.

6.1%
Heart Disease Rate
(state avg: 6.4%)
8.1%
Cancer Prevalence
(state avg: 6.7%)

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