Monroe County, MI

ZIP 48145

In ZIP 48145, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Monroe meets every EPA legal limit; 5 contaminants are above health goals, led by pfos at 2× California’s Public Health Goal.
• Nearest Superfund site: Novaco Industries, 9.9 miles away.
• Largest share of modeled toxic air from industry: Ohio Refining Co (62%), mostly cobalt compounds.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 242,446 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48145

• Superfund sites nearbyA
• Factories and industrial sitesC
• Oil and gas wellsA to C
• Parks and nature nearbyC to D
• Air qualityC
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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