Deer Lodge County, MT

ZIP 59711

In ZIP 59711, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hunters Trailer Ct Anaconda meets every EPA legal limit; 2 contaminants are above health goals, led by arsenic at 188× California’s Public Health Goal.
• Nearest Superfund site: Montana Pole and Treating, 8.5 miles away.
• Largest share of modeled toxic air from industry: Montana Resources LLC (96%), mostly cobalt compounds.
• Fine particles (PM2.5) average 5.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 9,050 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 59711

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

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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