Boone County, IN

ZIP 46077

In ZIP 46077, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Citizens Water Of Westfield, Llc meets every EPA legal limit; 9 contaminants are above health goals, led by lead at 32× California’s Public Health Goal.
• Nearest Superfund site: Envirochem Corp., 3.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Covestro LLC. (34%), mostly propyleneimine.
• Fine particles (PM2.5) average 9.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 141,399 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46077

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

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

Loading the full report, with every source…