Howard County, IN

ZIP 46937

In ZIP 46937, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Indiana American Water - Kokomo meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 250× California’s Public Health Goal.
• Nearest Superfund site: Kokomo Contaminated Ground Water Plume, 3.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Covestro LLC. (67%), mostly propyleneimine.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 172,339 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46937

• Superfund sites nearbyD
• Factories and industrial sitesD
• Oil and gas wellsF
• Parks and nature nearbyF
• Air qualityD
• Drinking water qualityA to C
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsF

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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