Marion County, IN

ZIP 46259

In ZIP 46259, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Creekside Mobile Home Park meets every EPA legal limit; 1 contaminant is above health goals, led by arsenic at 600× 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: Poet Biorefining - Shelbyville (36%), mostly acrolein.
• Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 231,405 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46259

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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