Gratiot County, MI

ZIP 48615

In ZIP 48615, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: St. Louis, City Of meets every EPA legal limit; 5 contaminants are above health goals, led by arsenic at 945× California’s Public Health Goal.
• Nearest Superfund site: Velsicol Chemical Corp. (michigan), 8.4 miles away.
• Largest share of modeled toxic air from industry: Morbark LLC (37%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 63,921 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48615

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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