Dickey County, ND

ZIP 58456

In ZIP 58456, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Monango City Of meets every EPA legal limit; 8 contaminants are above health goals, led by dibromochloromethane at 233× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Dakota Spirit Agenergy LLC (99%), mostly acrolein.
• Fine particles (PM2.5) average 5.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 130,214 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 58456

• Superfund sites nearbyA
• Factories and industrial sitesB to D
• Oil and gas wellsA to B
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityA to D
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD to F

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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