Well Water in Lawrence County: What to Test and Why

High Risk
Testing Strongly Recommended 34852 samples analyzed
Top Concerns in This County
Manganese Iron Sulfate

Why This Happens Here

Water in Lawrence County sits in old sandstone and shale layers buried deep underground. These rocks are over 300 million years old and formed from sand and mud deposited in ancient seas. The rock holds water in small cracks and spaces between the grains.

Manganese, iron, and radon all come from the rock itself. As groundwater slowly moves through the sandstone and shale, it dissolves these metals and picks up radon gas. The rock layers also contain sulfate minerals that dissolve into the water over time. There is no protection from these natural sources—the geology simply contains them.

The water here is extremely hard and loaded with minerals. You will see white scale buildup on faucets and inside pipes, and rust-colored stains on sinks and clothes from the high iron content. The very high sodium and sulfate levels mean the water tastes salty and bitter, and the sulfate can cause loose stools. Most well owners need a whole-house treatment system to make the water usable for drinking and laundry.

What This Means for You

Iron, manganese, and radon in Lawrence County well water all exceed EPA health standards. This is a serious situation that needs your attention right away. Sulfate levels are also elevated well above what is recommended. Your water quality requires testing and treatment planning.

Long-term exposure to manganese can harm your brain and nervous system, especially in children. Iron causes rust-colored stains on sinks, tubs, and laundry that are hard to remove. The very high sulfate and sodium levels give the water a bitter or salty taste. You will also notice brown or black staining and scale buildup on fixtures and inside pipes.

Get your well tested by a state-certified lab right now. A basic bacteria and nitrate screen costs around fifty to one hundred dollars. A full mineral and metals panel costs two hundred to four hundred dollars. Iron and manganese removal systems can address the staining and taste problems, and radon needs ventilation or aeration treatment.

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Manganese 20 100% 5% · 0% · 95% Moderate High
Iron 34 54% 35% · 12% · 53% Moderate High
Radon 2 50% 0% · 50% · 50% Low High
Sulfate 65 31% 54% · 15% · 31% Moderate High
Arsenic 3 0% 100% · 0% · 0% Low Low
Chloride 51 0% 96% · 4% · 0% Moderate Low
Fluoride 8 0% 100% · 0% · 0% Low Low
Lead 3 0% 100% · 0% · 0% Low Low
Nitrite 10 0% 100% · 0% · 0% Low Low
Uranium 2 0% 100% · 0% · 0% Low Low
E. coli 1 0% 100% · 0% · 0% Low Safe
Fecal Coliform 1 Low Safe
Hardness 47 Moderate Low
Nitrate 1 0% 100% · 0% · 0% Low Safe
Nitrate 2 Low Low
pH 14 Low Low
Sodium 24 Moderate Low
Total Coliform 1 0% 100% · 0% · 0% Low Safe

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.

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