McHenry County, ND

ZIP 58731

In ZIP 58731, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Upham City Of has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 3,474× California’s Public Health Goal.
• Nearest Superfund site: Minot Landfill, 8.4 miles away.
• Largest share of modeled toxic air from industry: Adm Processing (100%), mostly n-hexane (hexane).
• Fine particles (PM2.5) average 6.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 273,682 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 58731

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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