Boone County, IN

ZIP 46071

In ZIP 46071, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Thorntown Utilities meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 275× California’s Public Health Goal.
• Nearest Superfund site: Wedzeb Enterprises, Inc., 6.5 miles away.
• Largest share of modeled toxic air from industry: Covestro LLC. (93%), mostly propyleneimine.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 245,670 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46071

• Superfund sites nearbyA to C
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyD
• Air qualityC to D
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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