Houghton County, MI

ZIP 49930

In ZIP 49930, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Upper Michigan Water Company meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 4.1× California’s Public Health Goal.
• Nearest Superfund site: Torch Lake, 5.3 miles away.
• Largest share of modeled toxic air from industry: Calumet Electronics Corp (65%), mostly formaldehyde.
• Fine particles (PM2.5) average 4.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,356 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 49930

• Superfund sites nearbyF
• Factories and industrial sitesA
• Oil and gas wellsA to C
• Parks and nature nearbyC to D
• Air qualityA
• Drinking water qualityC to D
• Pesticide useC to D
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC

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

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