Butte County, CA

ZIP 95965

In ZIP 95965, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Thermalito Water & Sewer Dist meets every EPA legal limit; 12 contaminants are above health goals, led by pfos at 3.6× California’s Public Health Goal.
• Nearest Superfund site: Koppers Co., Inc. (oroville Plant), 0.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Johns Manville (100%), mostly chromium compounds.
• Fine particles (PM2.5) average 10.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,252,847 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95965

• Superfund sites nearbyA to F
• Factories and industrial sitesA to C
• Oil and gas wellsA to D
• Parks and nature nearbyB to D
• Air qualityF
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusC to F
• Past wildfire impactsA to F
• Past flood impactsA to B
• Noise levelsA to D
• Radiation signalsB to C

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

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