Ingham County, MI

ZIP 48864

In ZIP 48864, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Williamston, City Of meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 556× California’s Public Health Goal.
• Nearest Superfund site: Barrels, Inc., 3.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Symmetry Medical Inc Lansing (63%), mostly cobalt.
• Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 143,293 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 48864

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

Based on 10 census tracts · compiled October 25, 2026 · how each grade works and its sources

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