Oakland County, MI

ZIP 48381

In ZIP 48381, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ridgewood Mobile Home Park Inc meets every EPA legal limit; 1 contaminant is above health goals, led by arsenic at 2,313× California’s Public Health Goal.
• Nearest Superfund site: Hi-Mill Manufacturing Co., 4.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Michigan Seamless Tube LLC (58%), mostly chromium.
• Fine particles (PM2.5) average 7.7 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 48381

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

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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