Missoula County, MT

ZIP 59821

In ZIP 59821, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Gray Wolf Village meets every EPA legal limit; 1 contaminant is above health goals, led by lead at 75× California’s Public Health Goal.
• Closer to Superfund sites than 53% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Roseburg Forest Products Co. - Missoula Particleboard (75%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 12,794 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 59821

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

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

Loading the full report, with every source…