Logan County, OK

ZIP 73063

In ZIP 73063, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Stillwater Utilities Authority has 3 contaminants at or over an EPA legal limit; 20 contaminants are above health goals, led by thallium at 170× 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: Dw-National Standard-Stillwater LLC (90%), mostly lead compounds.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 34,187 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 73063

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…