Oceana County, MI

ZIP 49455

In ZIP 49455, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hesperia meets every EPA legal limit; 2 contaminants are above health goals, led by lead at 18× California’s Public Health Goal.
• Closer to Superfund sites than 55% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Howmet Corp - Plants 1& 3 (69%), mostly cobalt.
• Fine particles (PM2.5) average 5.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 359,087 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49455

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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