Todd County, MN

ZIP 56318

In ZIP 56318, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Long Prairie meets every EPA legal limit; 10 contaminants are above health goals, led by arsenic at 125× California’s Public Health Goal.
• Nearest Superfund site: Long Prairie Ground Water Contamination, 7.0 miles away.
• Largest share of modeled toxic air from industry: Polar Tank Trailer (94%), mostly chromium.
• Fine particles (PM2.5) average 6.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 157,052 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 56318

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA
• Drinking water qualityC to D
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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