Well Water in Snyder County: What to Test and Why

High Risk
Testing Strongly Recommended 7128 samples analyzed
Top Concerns in This County
Iron Manganese Radon

Why This Happens Here

Groundwater in Snyder County contains iron, manganese, radon, and PFOS. Iron and manganese exceed EPA health standards, while radon and PFOS are also present at levels of concern.

The rock beneath Snyder County is fractured shale and sandstone folded into ridges and valleys. As groundwater moves slowly through these cracks, it dissolves iron and manganese directly from the rock layers. Radon forms naturally when tiny amounts of uranium in the rock decay over time. PFOS enters groundwater from past industrial or firefighting activities in the area.

Groundwater in this county is moderately hard, driven by elevated calcium and magnesium from the rock. These minerals accumulate as water sits in contact with the fractured bedrock for long periods. Moderate hardness and elevated iron show up across many wells in the county.

What This Means for You

Wells in Snyder County commonly contain iron, manganese, PFOS, and radon at levels that exceed EPA health standards. Radon is a radioactive gas that can increase lung cancer risk when breathed in from water. Manganese can harm your brain and nervous system with long-term exposure. Iron and PFOS also pose health concerns at elevated concentrations found in county wells.

The moderately hard water in this county leaves white crusty buildup on fixtures and in pipes. Iron causes orange-brown staining on sinks, toilets, and laundry. Hard water can shorten the lifespan of water heaters and dishwashers over time. You may also notice an unpleasant metallic taste or odor in your water.

Every well is different, and your well may have higher or lower levels than what is common in the county. We recommend testing your well with a comprehensive metals and radon panel, which typically costs $200-400, so you know exactly what is in your water and can treat it properly. Testing is the only way to understand your specific situation. Aeration systems and ion exchange water softeners can address several of these concerns.

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
Iron 6 60% 50% · 0% · 50% Low High
Manganese 70 58% 31% · 11% · 57% Moderate High
Radon 11 46% 36% · 18% · 46% Low High
PFOS ⓘ municipal 36 3% 97% · 0% · 3% Moderate Low
Sulfate 46 0% 94% · 6% · 0% Moderate Low
Arsenic 2 0% 100% · 0% · 0% Low Low
Chloride 39 0% 100% · 0% · 0% Moderate Low
PFOA ⓘ municipal 36 0% 100% · 0% · 0% Moderate Safe
PFHxS ⓘ municipal 7 0% 100% · 0% · 0% Low Safe
PFNA ⓘ municipal 7 0% 100% · 0% · 0% Low Safe
HFPO-DA (GenX) ⓘ municipal 32 0% 100% · 0% · 0% Moderate Safe
Uranium 3 0% 100% · 0% · 0% Low Low
Nitrite 12 0% 100% · 0% · 0% Low Low
Hardness 18 Moderate Low
Total Coliform 1 0% 100% · 0% · 0% Low Safe
Fluoride 1 0% 100% · 0% · 0% Low Safe
pH 13 Low Low
Sodium 42 Moderate Low
Lead 1 0% 100% · 0% · 0% Low Safe
Nitrate 1 0% 100% · 0% · 0% Low Safe
Fecal Coliform 1 0% 100% · 0% · 0% Low Safe
E. coli 1 0% 100% · 0% · 0% Low Safe
PFBS ⓘ municipal 32 100% · 0% · 0% 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.

7.6%
Cancer Prevalence
(state avg: 7.0%)

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