Clay County, IN

ZIP 47833

In ZIP 47833, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cataract Lake Water Corporation meets every EPA legal limit; 4 contaminants are above health goals, led by lead at 17× California’s Public Health Goal.
• Nearest Superfund site: Franklin Street Groundwater Contamination, 5.2 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Unison Engine Components Terre Haute (31%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 61,045 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 47833

• Superfund sites nearbyA to D
• Factories and industrial sitesA to C
• Oil and gas wellsA to D
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityC to D
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC to D

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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