Genesee County, MI

ZIP 48457

In ZIP 48457, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Parkwood meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 10× California’s Public Health Goal.
• Closer to Superfund sites than 56% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Orchid Orthopedic Solutions (35%), mostly chromium.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 258,486 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48457

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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