St. Joseph County, IN

ZIP 46619

In ZIP 46619, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hamilton Grove meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 81× California’s Public Health Goal.
• Nearest Superfund site: Beck's Lake, 2.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Kennametal Stellite LP (74%), mostly cobalt.
• Fine particles (PM2.5) average 8.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 144,822 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46619

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

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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