Well Water in Pickaway County: What to Test and Why

High Risk
Testing Strongly Recommended 78406 samples analyzed
Top Concerns in This County
Manganese Lead

Why This Happens Here

Your well water comes from old limestone and dolomite rock layers deep underground. These rocks are stacked on top of each other and have small cracks that let water flow through slowly. This underground stone layer holds water that your well pulls up.

The rock itself acts as a natural filter. Water moves very slowly through tight cracks in limestone, which gives it time to settle and lets particles drop out. The limestone and the soil above it protect your groundwater from contaminants that sit on the surface.

Water that sits in limestone picks up minerals and becomes hard. You will probably notice white crusty buildup on your pipes and faucets. A water softener can help reduce this buildup and make your water feel better for washing and bathing.

What This Means for You

Good news—your well water in Pickaway County shows no contaminants detected above EPA health standards. The county water data does not reveal any health risks that require immediate action. Testing remains important because county-level data does not tell you about your specific well.

Because no contaminants exceed EPA limits, you should not expect health effects from long-term exposure based on available data. Your water quality depends on your individual well location and depth. Mineral information like iron, sodium, and sulfate levels is not available from county data, so you cannot know if staining, scaling, or taste problems affect your water.

Get your well tested by a state-certified lab to know your actual water quality. A basic health screen for bacteria and nitrate runs fifty to one hundred dollars. Contact the Pickaway County health department for a list of certified labs in your area.

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Manganese 67 59% 28% · 13% · 58% Moderate High
Lead 8 29% 62% · 12% · 25% Low High
Sulfate 53 6% 76% · 19% · 6% Moderate Moderate
Arsenic 11 0% 73% · 27% · 0% Low Low
Chloride 49 0% 90% · 10% · 0% Moderate Low
Fluoride 15 0% 87% · 13% · 0% Moderate Low
Iron 12 0% 83% · 17% · 0% Low Moderate
Uranium 3 0% 100% · 0% · 0% Low Low
Fecal Coliform 1 Low Safe
Hardness 21 Moderate Low
Nitrate 1 0% 100% · 0% · 0% Low Safe
Nitrate 1 Low Safe
Nitrite 1 0% 100% · 0% · 0% Low Safe
pH 6 Low Low
Sodium 77 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.

6.7%
Heart Disease Rate

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