Iosco County, MI

ZIP 48730

In ZIP 48730, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Oscoda Township meets every EPA legal limit; 3 contaminants are above health goals, led by tthm at 51× Peer-Reviewed Research.
• Closer to Superfund sites than 97% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Tawas Plating Co (100%), mostly nickel compounds.
• Fine particles (PM2.5) average 5.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 15,584 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48730

• Superfund sites nearbyD to F
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyA to B
• Air qualityA
• Drinking water qualityA to B
• Pesticide useC to D
• Neighborhood health statusF
• Past wildfire impactsA to D
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsA

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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