Allen County, IN

ZIP 46743

In ZIP 46743, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Maysville Region. Water & Sewer District meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 76× 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: Pyromation Inc (27%), mostly diisocyanates.
• Fine particles (PM2.5) average 7.6 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 46743

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

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…