Oakland County, MI

ZIP 48442

In ZIP 48442, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Charter Township Of Grand Blanc has 1 contaminant at or over an EPA legal limit; 7 contaminants are above health goals, led by arsenic at 9,146× California’s Public Health Goal.
• Nearest Superfund site: Hi-Mill Manufacturing Co., 2.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Michigan Seamless Tube LLC (41%), mostly chromium.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 58,001 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48442

• Superfund sites nearbyA to F
• Factories and industrial sitesA to B
• Oil and gas wellsA to C
• Parks and nature nearbyB to C
• Air qualityB to C
• Drinking water qualityA to F
• Pesticide useA to D
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to C

Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources

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