Campbell County, TN

ZIP 37766

In ZIP 37766, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Whitley Co Water District has 2 contaminants at or over an EPA legal limit; 5 contaminants are above health goals, led by pfos at 4.6× 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: Royal Sterilization Systems (98%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,287 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 37766

• Superfund sites nearbyA
• Factories and industrial sitesB to C
• Oil and gas wellsA to D
• Parks and nature nearbyB to D
• Air qualityA to B
• Drinking water qualityA to F
• Pesticide useC to D
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB to D

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

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