Carlton County, MN

ZIP 55707

In ZIP 55707, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pioneer Park meets every EPA legal limit; 2 contaminants are above health goals, led by arsenic at 125× 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: Sappi Cloquet LLC (84%), mostly formaldehyde.
• Fine particles (PM2.5) average 5.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,576 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 55707

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

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

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