Owen County, IN

ZIP 47456

In ZIP 47456, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Greencastle Department Of Water meets every EPA legal limit; 14 contaminants are above health goals, led by arsenic at 113× California’s Public Health Goal.
• Nearest Superfund site: Pike and Mulberry Streets PCE Plume, 5.0 miles away.
• Largest share of modeled toxic air from industry: Buzzi Unicem Usa-Greencastle Plant (57%), 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 181,699 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 47456

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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