Butte County, CA

ZIP 95926

In ZIP 95926, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cal-Water Service Co.-Chico has 3 contaminants at or over an EPA legal limit; 21 contaminants are above health goals, led by vanadium at 1.2× 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: 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 95926

• Superfund sites nearbyA
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityF
• Drinking water qualityF
• Pesticide useF
• Neighborhood health statusB to D
• Past wildfire impactsC to D
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

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