Well Water in Lorain County: What to Test and Why

High Risk
Testing Strongly Recommended 108583 samples analyzed
Top Concerns in This County
Manganese Iron Arsenic

Why This Happens Here

Your well water comes from fractured shale and other mixed rock layers beneath the soil. These older rocks don't hold water the way sandstone or limestone does. Water moves slowly through tiny cracks and spaces in the stone, picking up minerals along the way.

Manganese, iron, and sulfate come straight from the rock itself. As water sits in contact with these stones, these metals and minerals dissolve into your water. The rock layers in this county naturally contain these elements, and there is no protective layer stopping them from reaching your well.

Your water is extremely hard and loaded with minerals. You will see thick white scale buildup on pipes and fixtures. Iron will stain sinks and laundry orange or brown, and the high sulfate can give the water a bitter or metallic taste.

What This Means for You

Arsenic in your county's well water exceeds EPA health standards, and it is the primary reason for urgent testing. Iron, manganese, sulfate, and chloride also exceed EPA standards at concerning levels. This is a serious, multi-contaminant problem that demands your attention.

Long-term exposure to arsenic raises the risk of cancer and organ damage. Manganese can harm your brain and nervous system over time. You will also see orange staining on sinks and laundry from iron, thick white scale buildup on pipes from extreme hardness, and a bitter or rotten-egg taste from sulfate.

Get your well tested immediately by a state-certified lab. A basic health screen runs $50–100, while a comprehensive metals panel runs $200–400. A whole-house treatment system combining arsenic removal, iron filtration, and water softening is necessary to protect your family.

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Manganese 17 75% 18% · 12% · 71% Moderate High
Iron 83 66% 22% · 13% · 65% Moderate High
Sulfate 67 22% 63% · 15% · 22% Moderate High
Arsenic 6 20% 50% · 33% · 17% Low High
Chloride 66 17% 67% · 17% · 17% Moderate High
Fluoride 16 0% 100% · 0% · 0% Moderate Low
E. coli 1 0% 100% · 0% · 0% Low Safe
Hardness 29 Moderate Low
Lead 1 0% 100% · 0% · 0% Low Safe
Nitrate 1 0% 100% · 0% · 0% Low Safe
Nitrite 1 0% 100% · 0% · 0% Low Safe
pH 14 Low Low
Sodium 60 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.

6.1%
Cancer Prevalence
2.8%
Kidney Disease Rate

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