St. Joseph County, MI

ZIP 49042

In ZIP 49042, 5 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.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Kennametal Stellite LP (94%), mostly cobalt.
• Fine particles (PM2.5) average 6.9 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 49042

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

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

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