Hennepin County, MN

ZIP 55364

In ZIP 55364, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Orono meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 790× California’s Public Health Goal.
• Nearest Superfund site: Spring Park Municipal Well Field, 1.6 miles away.
• Largest share of modeled toxic air from industry: Emerson Automation Solutions Rosemount Inc (19%), mostly chromium.
• Fine particles (PM2.5) average 7.9 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 55364

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

Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…