Anoka County, MN

ZIP 55303

In ZIP 55303, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Andover has 2 contaminants at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 438× California’s Public Health Goal.
• Nearest Superfund site: South Andover Site, 3.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Federal Cartridge Co (91%), mostly lead compounds.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 26,084 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 55303

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

Based on 16 census tracts · compiled October 25, 2026 · how each grade works and its sources

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