Muskegon County, MI

ZIP 49303

In ZIP 49303, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Kent City Mobile Home Park meets every EPA legal limit; 4 contaminants are above health goals, led by arsenic at 417× California’s Public Health Goal.
• Nearest Superfund site: Kent City Mobile Home Park, 7.0 miles away.
• Largest share of modeled toxic air from industry: Cannon-Muskegon (89%), mostly cobalt.
• Fine particles (PM2.5) average 5.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 122,911 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49303

• Superfund sites nearbyA to D
• Factories and industrial sitesB
• Oil and gas wellsA to C
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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