Allegan County, MI

ZIP 49423

In ZIP 49423, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Kalamazoo Lake Sewer & Water Authority meets every EPA legal limit; 2 contaminants are above health goals, led by arsenic at 741× California’s Public Health Goal.
• Nearest Superfund site: Allied Paper, Inc./portage Creek/kalamazoo River, 9.1 miles away.
• Largest share of modeled toxic air from industry: Benteler Automotive Holland Inc. (53%), mostly lead.
• Fine particles (PM2.5) average 7.3 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 49423

• Superfund sites nearbyA to F
• Factories and industrial sitesA to F
• Oil and gas wellsC to D
• Parks and nature nearbyB to D
• Air qualityA to C
• Drinking water qualityA to C
• Pesticide useC to F
• Neighborhood health statusA to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsA

Based on 17 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…