Allegan County, MI

ZIP 49323

In ZIP 49323, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Allegan County Services Center has 2 contaminants at or over an EPA legal limit; 8 contaminants are above health goals, led by carbon tetrachloride at 1,420× California’s Public Health Goal.
• Nearest Superfund site: Rockwell International Corp. (allegan Plant), 8.8 miles away.
• Largest share of modeled toxic air from industry: Magna-Engineered Glass (21%), mostly diisocyanates.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 217,219 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49323

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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