Kalamazoo County, MI

ZIP 49001

In ZIP 49001, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Portage has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by arsenic at 2,917× California’s Public Health Goal.
• Nearest Superfund site: Auto Ion Chemicals, Inc., 1.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Flowserve Corp (95%), mostly chromium.
• Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 134,684 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49001

• Superfund sites nearbyF
• Factories and industrial sitesD to F
• Oil and gas wellsA to C
• Parks and nature nearbyD to F
• Air qualityB to D
• Drinking water qualityF
• Pesticide useD
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsB to D
• Radiation signalsC to D

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

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