Lenawee County, MI

ZIP 49238

In ZIP 49238, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Britton has 1 contaminant at or over an EPA legal limit; 4 contaminants are above health goals, led by dichloromethane at 22× California’s Public Health Goal.
• Nearest Superfund site: Novaco Industries, 7.4 miles away.
• Largest share of modeled toxic air from industry: Ohio Refining Co (49%), 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 242,446 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49238

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA to C
• Parks and nature nearbyD
• Air qualityB
• Drinking water qualityD to F
• Pesticide useF
• 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

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