Burleigh County, ND

ZIP 58503

In ZIP 58503, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: South Central Regional Water District meets every EPA legal limit; 9 contaminants are above health goals, led by lead at 315× 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: Marathon Mandan Refinery (72%), mostly sulfuric acid.
• Fine particles (PM2.5) average 6.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 163,887 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 58503

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

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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