Well Water in Warren County: What to Test and Why

High Risk
Testing Strongly Recommended 60348 samples analyzed
Top Concerns in This County
Manganese Iron Radon

Why This Happens Here

Your well water in Warren County comes from other types of rock buried underground. These rocks hold water in spaces between their grains and in small cracks. The water moves slowly through these layers as it sits beneath your property.

The rocks here are protective against contamination. The soil and rock layers above act as a natural filter that stops harmful materials from reaching the water below. Because no contaminants have been found in testing, the geology is doing its job of keeping your water clean.

Since we do not have detailed information about the minerals in your water, the best approach is to have your well tested. A basic test will tell you if your water is hard, has iron, or contains other minerals that affect your day-to-day life. Testing is the only way to know what you are actually drinking.

What This Means for You

Your well water in Warren County shows no contaminants at detected levels, and nothing exceeds EPA health standards. This is good news for your family's health. However, the high urgency and multi-concern routing suggest you should still verify your water quality to make sure protection stays in place.

Even though no health risks are confirmed in the county data, getting your own well tested will tell you exactly what is in your water. You can check for bacteria, nitrate, and other minerals that affect taste, odor, or staining. A certified lab test is the only way to know your specific situation.

Contact a state-certified lab and get your well tested. A basic health screen for bacteria and nitrate typically costs fifty to one hundred dollars, while a comprehensive mineral panel runs two hundred to four hundred dollars. Test results will show you whether any treatment is needed for your family's drinking water.

Contaminant Detection Data

Contaminant Samples % Above MCL Distribution Confidence Risk
Radon 8 62% 38% · 0% · 62% Low High
Manganese 8 57% 38% · 12% · 50% Low High
Iron 47 52% 32% · 17% · 51% Moderate High
Arsenic 15 36% 67% · 0% · 33% Moderate High
Lead 9 12% 89% · 0% · 11% Low Moderate
Sulfate 42 2% 83% · 14% · 2% Moderate Low
Chloride 30 0% 93% · 7% · 0% Moderate Low
Fluoride 20 0% 95% · 5% · 0% Moderate Low
Nitrate 3 0% 100% · 0% · 0% Low Low
Nitrite 2 0% 100% · 0% · 0% Low Low
Uranium 6 0% 100% · 0% · 0% Low Low
E. coli 1 0% 100% · 0% · 0% Low Safe
Hardness 25 Moderate Low
Nitrate 1 Low Safe
pH 6 Low Low
Sodium 52 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.

Population Health Context

Population-level CDC data. Not individual risk prediction.

6.9%
Cancer Prevalence
2.6%
Kidney Disease Rate
6.2%
Heart Disease Rate

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