Cleveland County, OK

ZIP 73026

In ZIP 73026, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Tinker Air Force Base meets every EPA legal limit; 11 contaminants are above health goals, led by arsenic at 565× California’s Public Health Goal.
• Nearest Superfund site: Tinker Air Force Base (soldier Creek/building 3001), 5.8 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Duracoatings LLC. (53%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 14,853 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 73026

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

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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