Wibaux County, MT

ZIP 59353

In ZIP 59353, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Fallon County Water District meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 40× 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: Oneok Rockies Midstream LLC - Grasslands Gas Plant (97%), mostly benzene.
• Fine particles (PM2.5) average 5.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 31,088 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 59353

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

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

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