Lenawee County, MI

ZIP 49268

In ZIP 49268, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Deerfield has 1 contaminant at or over an EPA legal limit; 2 contaminants are above health goals, led by trichloroacetic acid at 553× California’s Public Health Goal.
• Nearest Superfund site: Novaco Industries, 9.8 miles away.
• Largest share of modeled toxic air from industry: Ohio Refining Co (44%), mostly cobalt compounds.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 282,131 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49268

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

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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