Morgan County, IN

ZIP 46166

In ZIP 46166, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Gosport Water Utility meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 275× 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 (47%), 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 46166

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

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

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