Oklahoma County, OK

ZIP 73110

In ZIP 73110, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hillcrest Mhp has 2 contaminants at or over an EPA legal limit; 4 contaminants are above health goals, led by pfos at 11× California’s Public Health Goal.
• Nearest Superfund site: Tinker Air Force Base (soldier Creek/building 3001), 0.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Smico Manufacturing Co Inc. (53%), mostly chromium.
• Fine particles (PM2.5) average 8.3 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 73110

• Superfund sites nearbyD to F
• Factories and industrial sitesC to F
• Oil and gas wellsD to F
• Parks and nature nearbyB to D
• Air qualityC to D
• Drinking water qualityC to F
• Pesticide useA to C
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsA to B

Based on 17 census tracts · compiled October 25, 2026 · how each grade works and its sources

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