Hennepin County, MN

ZIP 55340

In ZIP 55340, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Maple Hill Estates meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 32× California’s Public Health Goal.
• Nearest Superfund site: Spring Park Municipal Well Field, 7.5 miles away.
• Largest share of modeled toxic air from industry: Minncast Inc (14%), 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 55340

• Superfund sites nearbyA to C
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityC to D
• Drinking water qualityC to F
• Pesticide useD
• Neighborhood health statusB
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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