Oakland County, MI

ZIP 48357

In ZIP 48357, 8 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; 4 contaminants are above health goals, led by arsenic at 2,313× California’s Public Health Goal.
• Nearest Superfund site: Hi-Mill Manufacturing Co., 2.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Michigan Seamless Tube LLC (42%), mostly chromium.
• Fine particles (PM2.5) average 6.9 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 48357

• Superfund sites nearbyF
• Factories and industrial sitesB
• Oil and gas wellsA to D
• Parks and nature nearbyC to D
• Air qualityB
• Drinking water qualityD
• Pesticide useC to D
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC to D

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…