Isanti County, MN

ZIP 55070

In ZIP 55070, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Saint Francis meets every EPA legal limit; 9 contaminants are above health goals, led by lead at 12× California’s Public Health Goal.
• Nearest Superfund site: Oak Grove Sanitary Landfill, 2.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Minncast Inc (41%), mostly chromium.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 72,101 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 55070

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

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

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