Comanche County, OK

ZIP 73538

In ZIP 73538, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Medicine Park meets every EPA legal limit; 6 contaminants are above health goals, led by bromodichloromethane at 136× California’s Public Health Goal.
• Nearest Superfund site: Oklahoma Refining Co., 7.4 miles away.
• Largest share of modeled toxic air from industry: American Phoenix Inc (68%), mostly cobalt compounds.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 41,267 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 73538

• Superfund sites nearbyA to C
• Factories and industrial sitesA
• Oil and gas wellsC to F
• Parks and nature nearbyC
• Air qualityA to B
• Drinking water qualityC
• Pesticide useC to D
• Neighborhood health statusC to F
• Past wildfire impactsA to D
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsB to C

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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