St. Joseph County, MI

ZIP 49032

In ZIP 49032, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Three Rivers meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 34× California’s Public Health Goal.
• Nearest Superfund site: Sturgis Municipal Wells, 2.8 miles away.
• Largest share of modeled toxic air from industry: Kennametal Stellite LP (92%), mostly cobalt.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 372,457 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49032

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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