Genesee County, MI

ZIP 48458

In ZIP 48458, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: North Morris Estates meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 38× California’s Public Health Goal.
• Nearest Superfund site: Forest Waste Products, 1.6 miles away.
• Largest share of modeled toxic air from industry: Gm Truck Group Flint Assembly Plant (55%), mostly benzene.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 122,888 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48458

• Superfund sites nearbyA to F
• Factories and industrial sitesA to B
• Oil and gas wellsA to D
• Parks and nature nearbyC to D
• Air qualityA to B
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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