Mecosta County, MI

ZIP 49340

In ZIP 49340, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sunset Shores has 1 contaminant at or over an EPA legal limit; 6 contaminants are above health goals, led by pfos at 3× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Morbark LLC (98%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 90,614 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49340

• Superfund sites nearbyA to C
• Factories and industrial sitesA to C
• Oil and gas wellsB to D
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityA to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB to C

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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