Butte County, CA

ZIP 95973

In ZIP 95973, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Red Bluff has 1 contaminant at or over an EPA legal limit; 6 contaminants are above health goals, led by pfos at 2.4× 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 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 295,370 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95973

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

Based on 14 census tracts · compiled September 10, 2026 · how each grade works and its sources

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