Isabella County, MI

ZIP 48878

In ZIP 48878, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mapleview Estates has 1 contaminant at or over an EPA legal limit; 2 contaminants are above health goals, led by arsenic at 4,477× California’s Public Health Goal.
• Nearest Superfund site: Clare Water Supply, 6.4 miles away.
• Largest share of modeled toxic air from industry: Morbark LLC (79%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 110,355 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48878

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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