Saginaw County, MI

ZIP 48637

In ZIP 48637, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Merrill, Village Of meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 583× California’s Public Health Goal.
• Nearest Superfund site: Velsicol Chemical Corp. (michigan), 4.2 miles away.
• Largest share of modeled toxic air from industry: Trinseo Llc-Mi Operations (49%), mostly acrylonitrile.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 258,486 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48637

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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