Hennepin County, MN

ZIP 55346

In ZIP 55346, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Minnetonka meets every EPA legal limit; 11 contaminants are above health goals, led by arsenic at 125× California’s Public Health Goal.
• Nearest Superfund site: Nl Industries/taracorp/golden Auto, 5.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Suez Wts Solutions USA Inc. (30%), mostly diisocyanates.
• Fine particles (PM2.5) average 8.4 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 55346

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

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

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