Jefferson County, CO

ZIP 80453

In ZIP 80453, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Indian Hills Wd has 1 contaminant at or over an EPA legal limit; 14 contaminants are above health goals, led by pfos at 3.4× California’s Public Health Goal.
• Closer to Superfund sites than 76% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Terumo Bct Sterilization Services Inc (91%), mostly ethylene oxide.
• Fine particles (PM2.5) average 5.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,017 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 80453

• Superfund sites nearbyC to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityC to F
• Pesticide useA to B
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsF

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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