Cass County, MI

ZIP 49112

In ZIP 49112, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Colonial Acres meets every EPA legal limit; 1 contaminant is above health goals, led by arsenic at 183× California’s Public Health Goal.
• Nearest Superfund site: Himco Dump, 5.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Kennametal Stellite LP (96%), mostly cobalt.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 209,214 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49112

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

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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