Bent County, CO

ZIP 81057

In ZIP 81057, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Fort Lyon meets every EPA legal limit; 10 contaminants are above health goals, led by arsenic at 792× 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: Cf Maier Composites Inc. (100%), mostly styrene.
• Fine particles (PM2.5) average 4.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 52,322 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 81057

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

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

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