Howard County, IN

ZIP 46979

In ZIP 46979, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sharpsville Water Utility meets every EPA legal limit; 4 contaminants are above health goals, led by arsenic at 300× California’s Public Health Goal.
• Nearest Superfund site: Continental Steel Corp., 7.8 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Covestro LLC. (96%), mostly propyleneimine.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 177,690 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46979

• Superfund sites nearbyA to D
• Factories and industrial sitesC to D
• Oil and gas wellsA to C
• Parks and nature nearbyD
• Air qualityC to D
• Drinking water qualityB to D
• Pesticide useF
• Neighborhood health statusC 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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