Comanche County, OK

ZIP 73503

In ZIP 73503, 5 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.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: U.S. Army - Fort Sill, Ok (Range Facility) (76%), mostly lead 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 73503

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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