Dakota County, MN

ZIP 55306

In ZIP 55306, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lakeville meets every EPA legal limit; 12 contaminants are above health goals, led by arsenic at 125× California’s Public Health Goal.
• Nearest Superfund site: Freeway Sanitary Landfill, 4.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Chart Inc. (17%), mostly chromium.
• Fine particles (PM2.5) average 8.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 219,011 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 55306

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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