Custer County, CO

ZIP 81253

In ZIP 81253, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: St Charles Mesa Wd meets every EPA legal limit; 10 contaminants are above health goals, led by bromodichloromethane at 167× California’s Public Health Goal.
• Closer to Superfund sites than 61% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Evraz Rocky Mountain Steel (64%), mostly chromium compounds.
• Fine particles (PM2.5) average 4.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 37,785 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 81253

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

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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