Tuscola County, MI

ZIP 48733

In ZIP 48733, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Caro, City Of meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 1,431× California’s Public Health Goal.
• Closer to Superfund sites than 86% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Valley Enterprises Inc. (38%), mostly diisocyanates.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 289,686 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48733

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

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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