Cass County, MI

ZIP 49047

In ZIP 49047, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Niles has 1 contaminant at or over an EPA legal limit; 13 contaminants are above health goals, led by arsenic at 2,660× California’s Public Health Goal.
• Nearest Superfund site: U.s. Aviex, 4.3 miles away.
• Largest share of modeled toxic air from industry: Kennametal Stellite LP (95%), mostly cobalt.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 286,489 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49047

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

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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