Hennepin County, MN

ZIP 55423

In ZIP 55423, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Minneapolis meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 41× California’s Public Health Goal.
• Nearest Superfund site: Twin Cities Air Force Reserve Base (small Arms Range Landfill), 1.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: St Paul Park Refining Co LLC (23%), mostly cobalt compounds.
• Fine particles (PM2.5) average 8.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 37,606 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 55423

• Superfund sites nearbyD to F
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityF
• Drinking water qualityD to F
• Pesticide useB to D
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to F
• Radiation signalsC to D

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

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