Oklahoma County, OK

ZIP 73109

In ZIP 73109, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Oklahoma City meets every EPA legal limit; 17 contaminants are above health goals, led by lead at 18× California’s Public Health Goal.
• Nearest Superfund site: Double Eagle Refinery Co., 2.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Smico Manufacturing Co Inc. (68%), mostly chromium.
• Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 20,693 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 73109

• Superfund sites nearbyC to D
• Factories and industrial sitesC to D
• Oil and gas wellsD to F
• Parks and nature nearbyD to F
• Air qualityC to F
• Drinking water qualityD
• Pesticide useB to D
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC

Based on 17 census tracts · compiled September 10, 2026 · how each grade works and its sources

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