Kent County, MI

ZIP 49546

In ZIP 49546, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Plainfield Township has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 4.5× California’s Public Health Goal.
• Nearest Superfund site: Kentwood Landfill, 3.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Lacks Trim Systems-Airlane (22%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 399,798 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49546

• Superfund sites nearbyC to F
• Factories and industrial sitesC to D
• Oil and gas wellsA to C
• Parks and nature nearbyD to F
• Air qualityB to C
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC

Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources

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