Sherburne County, MN

ZIP 56304

In ZIP 56304, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sauk Rapids has 3 contaminants at or over an EPA legal limit; 18 contaminants are above health goals, led by pfos at 7× California’s Public Health Goal.
• Nearest Superfund site: St. Augusta Sanitary Landfill/engen Dump, 3.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Polar Tank Trailer (77%), mostly chromium.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 187,750 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 56304

• Superfund sites nearbyC to D
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsC to D

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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