Noble County, OK

ZIP 74630

In ZIP 74630, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Noble County Rwd #2 meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 37× 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: Mertz Manufacturing Inc (46%), mostly chromium.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 55,859 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 74630

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

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

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