Leelanau County, MI

ZIP 49664

In ZIP 49664, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Maple Valley Nursing Home meets every EPA legal limit; 3 contaminants are above health goals, led by copper, free at 1.2× California’s Public Health Goal.
• Nearest Superfund site: Grand Traverse Overall Supply Co., 8.7 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Century Sun Metal Treating (100%), mostly barium compounds.
• Fine particles (PM2.5) average 5.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 265,937 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49664

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

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

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