Allen County, IN

ZIP 46745

In ZIP 46745, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mill Road Estates meets every EPA legal limit; 4 contaminants are above health goals, led by arsenic at 686× California’s Public Health Goal.
• Closer to Superfund sites than 55% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Pyromation Inc (27%), mostly diisocyanates.
• Fine particles (PM2.5) average 7.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 241,826 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46745

• Superfund sites nearbyC
• Factories and industrial sitesC to D
• Oil and gas wellsA to B
• Parks and nature nearbyD
• Air qualityC
• Drinking water qualityD
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsF

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

Loading the full report, with every source…