Well Water in Hocking County: What to Test and Why

High Risk
Testing Strongly Recommended 37396 samples analyzed
Top Concerns in This County
Manganese Iron Sulfate

Why This Happens Here

Your well water comes from old limestone and sandstone rock deep underground. These rocks sit in thick layers and hold water in tiny spaces and cracks. Water moves slowly through them as it seeps downward from the surface.

Iron, manganese, and sulfate come straight from the rock itself. As groundwater sits in contact with these minerals over time, they dissolve into the water. The coal mining history in this region has also exposed more sulfate-bearing minerals to groundwater, raising those levels.

Your water is extremely hard, with very high iron and sulfate. You will see thick white scale on pipes and fixtures, orange or brown staining on sinks and toilets, and possibly a rotten-egg smell. Get your well tested by a certified lab and consider a whole-house treatment system to handle these minerals.

What This Means for You

Your county's water shows manganese, iron, and sulfate at levels that exceed EPA health standards. This is a high-priority situation because multiple contaminants are present together. Manganese is the primary health risk here. You need to test your well right away to understand what your family is drinking.

Long-term exposure to manganese can harm your brain and nervous system, especially in children. Iron and sulfate at these levels will stain your sinks, toilets, and laundry orange and brown. Your water also tastes and smells bad—sulfate creates a rotten-egg odor. The water is extremely hard, leaving thick white scale on pipes and fixtures.

Contact a state-certified lab and get a comprehensive mineral and metals panel done, which costs $200–400. A basic health screen for bacteria and nitrate runs $50–100. Ask your county health department for a list of certified labs. A whole-house treatment system combining a water softener, iron filter, and sulfate removal can address these problems together.

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Manganese 18 88% 6% · 11% · 83% Moderate High
Iron 53 62% 26% · 13% · 60% Moderate High
Sulfate 77 34% 52% · 14% · 34% Moderate High
Chloride 62 10% 79% · 11% · 10% Moderate Moderate
Arsenic 4 0% 100% · 0% · 0% Low Low
Fluoride 22 0% 100% · 0% · 0% Moderate Low
Radon 1 0% 0% · 100% · 0% Low Moderate
Uranium 1 0% 100% · 0% · 0% Low Low
E. coli 1 0% 100% · 0% · 0% Low Safe
Fecal Coliform 1 Low Safe
Hardness 38 Moderate Low
Lead 1 0% 100% · 0% · 0% Low Safe
Nitrate 1 0% 100% · 0% · 0% Low Safe
Nitrate 1 Low Safe
Nitrite 1 0% 100% · 0% · 0% Low Safe
pH 18 Moderate Low
Sodium 59 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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