Hennepin County, MN

ZIP 55305

In ZIP 55305, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Wayzata meets every EPA legal limit; 11 contaminants are above health goals, led by arsenic at 913× California’s Public Health Goal.
• Nearest Superfund site: Reilly Tar & Chemical Corp. (st. Louis Park Plant), 2.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: St Paul Park Refining Co LLC (12%), mostly chromium.
• Fine particles (PM2.5) average 8.5 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 55305

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

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…