Well Water in Lawrence County: What to Test and Why

High Risk
Testing Strongly Recommended 70581 samples analyzed
Top Concerns in This County
Manganese Iron Lead

Why This Happens Here

Your well water comes from coal-bearing rock layers underground that formed hundreds of millions of years ago. These rocks are dark shale and sandstone stacked in thin sheets with cracks and gaps running through them. Groundwater fills these spaces and becomes your well water.

The contaminants you see come straight from the rock itself. Iron, manganese, and sulfate dissolve out of the shale and coal seams as water sits in contact with them underground. Radon is a radioactive gas that forms naturally in these old rocks. Low oxygen conditions deep below ground speed up the release of iron and manganese into the water.

Your water is extremely hard and loaded with minerals. Iron will stain your sinks, toilets, and laundry orange-brown. Sodium and sulfate make the water taste salty and bitter. You will notice scale buildup on pipes and fixtures, and soap won't lather well in this water.

What This Means for You

Radon, iron, and manganese exceed EPA health standards in Lawrence County well water. Radon is a radioactive gas that comes from rock layers underground. Lead and chloride also exceed standards. This combination requires urgent testing and action.

Long-term exposure to radon increases lung cancer risk. Manganese and lead can harm brain development and nervous system function. You will notice orange-brown stains on sinks and laundry from iron. The water tastes salty from high sodium and has a rotten-egg smell from sulfate. Extremely hard water causes scale buildup on pipes and fixtures.

Get your well tested by a state-certified lab now. A comprehensive metals and minerals panel runs $200–400 and covers all the contaminants found in your area. A whole-house treatment system combining water softening, filtration, and radon removal can address multiple problems together.

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Radon 1 100% 0% · 0% · 100% Low High
Manganese 17 75% 18% · 12% · 71% Moderate High
Iron 48 70% 21% · 10% · 69% Moderate High
Lead 48 13% 75% · 12% · 12% Moderate Moderate
Sulfate 59 12% 75% · 14% · 12% Moderate Moderate
Chloride 66 4% 88% · 8% · 4% Moderate Moderate
Nitrite 18 0% 94% · 6% · 0% Moderate Low
Nitrate 1 0% 100% · 0% · 0% Low Safe
pH 9 Low Low
Fluoride 1 0% 100% · 0% · 0% Low Safe
Arsenic 1 0% 100% · 0% · 0% Low Safe
E. coli 1 0% 100% · 0% · 0% Low Safe
Uranium 1 0% 100% · 0% · 0% Low Safe
Hardness 25 Moderate Low
Sodium 52 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 Health Context

Population-level CDC data. Not individual risk prediction.

8.8%
Heart Disease Rate

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