Oakland County, MI

ZIP 48306

In ZIP 48306, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Plum Creek Sub meets every EPA legal limit; 1 contaminant is above health goals, led by arsenic at 305× California’s Public Health Goal.
• Nearest Superfund site: J & L Landfill, 3.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: General Motors LLC Orion Assembly Center (27%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 21,843 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48306

• Superfund sites nearbyC to F
• Factories and industrial sitesB to C
• Oil and gas wellsA to F
• Parks and nature nearbyB to C
• Air qualityC to D
• Drinking water qualityA to C
• Pesticide useA to C
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB to C

Based on 10 census tracts · compiled October 25, 2026 · how each grade works and its sources

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