Madison County, IN

ZIP 46036

In ZIP 46036, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Windfall Water Department meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 465× California’s Public Health Goal.
• Nearest Superfund site: Broadway Street Corridor Groundwater Contamination, 6.9 miles away.
• Largest share of modeled toxic air from industry: Yamaha Marine Precision Propeller Industries Greenfield (47%), mostly chromium.
• Fine particles (PM2.5) average 7.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 177,690 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46036

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

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…