Clay County, IN

ZIP 47858

In ZIP 47858, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Indiana American Water - Farmersburg meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 87× California’s Public Health Goal.
• Nearest Superfund site: International Minerals (e. Plant), 5.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Unison Engine Components Terre Haute (41%), mostly cobalt.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 136,277 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 47858

• Superfund sites nearbyA
• Factories and industrial sitesC to D
• Oil and gas wellsD to F
• Parks and nature nearbyC
• Air qualityC
• Drinking water qualityA to D
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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