Chisago County, MN

ZIP 55045

In ZIP 55045, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rush City has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by arsenic at 219× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Andersen Corp (59%), mostly cobalt compounds.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 57,263 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 55045

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityC to D
• Pesticide useD to F
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC to D

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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