Oakland County, MI
ZIP 48304
In ZIP 48304, 3 of the 12 things we check have at least one part graded D or F.
- Drinking water: Troy meets every EPA legal limit; 5 contaminants are above health goals, led by total haloacetic acids (haa5) at 1× Peer-Reviewed Research.
- Nearest Superfund site: J & L Landfill, 7.6 miles away (3 within 10 miles).
- Largest share of modeled toxic air from industry: Oerlikon Metco (US) Troy/Oerlikon Metco (US) Troy (41%), mostly chromium compounds.
- Fine particles (PM2.5) average 8.8 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 48304
- Superfund sites nearbyA to C
- Factories and industrial sitesB to C
- Oil and gas wellsA to B
- Parks and nature nearbyC to D
- Air qualityD to F
- Drinking water qualityA to B
- Pesticide useA
- Neighborhood health statusA to C
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA to D
Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources
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