Shiawassee County, MI

ZIP 48449

In ZIP 48449, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Alan's Park - Durand meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 2,308× California’s Public Health Goal.
• Nearest Superfund site: Berlin & Farro, 6.5 miles away.
• Largest share of modeled toxic air from industry: Gm Truck Group Flint Assembly Plant (33%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 163,688 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48449

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA to B
• Parks and nature nearbyD
• Air qualityB
• Drinking water qualityC to D
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…