St. Joseph County, IN

ZIP 46601

In ZIP 46601, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: South Bend Water Works meets every EPA legal limit; 11 contaminants are above health goals, led by pfos at 1.6× California’s Public Health Goal.
• Nearest Superfund site: Whiteford Sales & Service Inc./nationalease, 2.1 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 8.5 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 46601

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

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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