Fremont County, CO

ZIP 81221

In ZIP 81221, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Florence City Of meets every EPA legal limit; 10 contaminants are above health goals, led by di(2-ethylhexyl) phthalate at 23× California’s Public Health Goal.
• Nearest Superfund site: Lincoln Park, 6.0 miles away.
• Largest share of modeled toxic air from industry: Fcc Florence (75%), mostly lead.
• Fine particles (PM2.5) average 4.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 7,622 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 81221

• Superfund sites nearbyD
• Factories and industrial sitesA
• Oil and gas wellsF
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityC to D
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• 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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