Johnson County, IN

ZIP 46181

In ZIP 46181, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Morgantown Water Utility meets every EPA legal limit; 8 contaminants are above health goals, led by arsenic at 560× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Linde Advanced Material Technologies Inc (26%), mostly acrolein.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 131,421 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46181

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

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

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