Calhoun County, MI

ZIP 49092

In ZIP 49092, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: My Place At Twin Valley meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 30× California’s Public Health Goal.
• Nearest Superfund site: Mcgraw Edison Corp., 9.8 miles away.
• Largest share of modeled toxic air from industry: Tenneco Automotive Operating Co Inc. (68%), mostly chromium.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 165,126 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49092

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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