Carbon County, MT

ZIP 59071

In ZIP 59071, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Roberts Wua Carbon Co Water And Sewer meets every EPA legal limit; 7 contaminants are above health goals, led by dibromochloromethane at 4.7× 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: Smc Precious Metals Smelter & Base Metals Refinery (85%), mostly chromium compounds.
• Fine particles (PM2.5) average 4.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 58,676 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 59071

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsF
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityB
• Pesticide useF
• Neighborhood health statusC
• Past wildfire impactsC
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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