Missoula County, MT

ZIP 59847

In ZIP 59847, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Bitterroot Meadows Hoa Lolo meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 688× California’s Public Health Goal.
• Closer to Superfund sites than 61% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Hexion Inc. (50%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 122,854 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 59847

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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