Madison County, IN

ZIP 46051

In ZIP 46051, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pendleton Water Company meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 313× California’s Public Health Goal.
• Nearest Superfund site: Broadway Street Corridor Groundwater Contamination, 7.3 miles away.
• Largest share of modeled toxic air from industry: Yamaha Marine Precision Propeller Industries Greenfield (45%), mostly chromium.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 231,452 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46051

• Superfund sites nearbyA to C
• Factories and industrial sitesB
• Oil and gas wellsF
• Parks and nature nearbyC to F
• Air qualityD
• Drinking water qualityA to C
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsF

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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