Tulsa County, OK

ZIP 74105

In ZIP 74105, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Tulsa meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 10× California’s Public Health Goal.
• Nearest Superfund site: Compass Industries (avery Drive), 8.1 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Sterling Specialty Chemicals LLC (62%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 25,439 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 74105

• Superfund sites nearbyA
• Factories and industrial sitesD to F
• Oil and gas wellsF
• Parks and nature nearbyD to F
• Air qualityD to F
• Drinking water qualityD
• Pesticide useC to D
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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