Washington County, OK

ZIP 74006

In ZIP 74006, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ochelata Utility Authority meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 60× California’s Public Health Goal.
• Nearest Superfund site: National Zinc Corp., 4.6 miles away.
• Largest share of modeled toxic air from industry: Schlumberger Bartlesville Product Center (75%), mostly nickel.
• Fine particles (PM2.5) average 7.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 36,874 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 74006

• Superfund sites nearbyC to D
• Factories and industrial sitesB to C
• Oil and gas wellsF
• Parks and nature nearbyC to F
• Air qualityB to C
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsC

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…