Washington County, MN

ZIP 55042

In ZIP 55042, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Woodbury has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by pfos at 2.6× California’s Public Health Goal.
• Nearest Superfund site: Baytown Township Ground Water Plume, 1.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Andersen Corp (67%), mostly cobalt compounds.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 49,911 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 55042

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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