Kosciusko County, IN

ZIP 46539

In ZIP 46539, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Holston Rentals meets every EPA legal limit; 1 contaminant is above health goals, led by arsenic at 325× California’s Public Health Goal.
• Nearest Superfund site: Lakeland Disposal Service, Inc., 1.3 miles away.
• Largest share of modeled toxic air from industry: Kennametal Stellite LP (67%), mostly cobalt.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 173,964 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46539

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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