Stillwater County, MT

ZIP 59067

In ZIP 59067, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Eagle Mountain Rural Pws meets every EPA legal limit; 3 contaminants are above health goals, led by lead at 11× California’s Public Health Goal.
• Nearest Superfund site: Mouat Industries, 5.5 miles away.
• Largest share of modeled toxic air from industry: Smc Precious Metals Smelter & Base Metals Refinery (48%), mostly nickel compounds.
• Fine particles (PM2.5) average 5.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 53,637 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 59067

• Superfund sites nearbyC
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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