Bay County, MI

ZIP 48634

In ZIP 48634, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Linwood Metropolitan District meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 14× California’s Public Health Goal.
• Closer to Superfund sites than 84% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Trinseo Llc-Mi Operations (49%), mostly acrylonitrile.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 239,055 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48634

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

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

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