Starke County, IN

ZIP 46532

In ZIP 46532, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Knox Water Works meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 83× California’s Public Health Goal.
• Nearest Superfund site: Fisher-Calo, 2.2 miles away.
• Largest share of modeled toxic air from industry: New York Blower Co (33%), mostly chromium.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 126,875 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46532

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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