Plumas County, CA

ZIP 96105

In ZIP 96105, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sierra Co. W.w.d #1 Calpine has 1 contaminant at or over an EPA legal limit; 2 contaminants are above health goals, led by arsenic at 3,827× 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: Tesla Gigafactory (97%), mostly cobalt compounds.
• Fine particles (PM2.5) average 9.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 610 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 96105

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityB to F
• Drinking water qualityA to F
• Pesticide useD
• Neighborhood health statusD
• Past wildfire impactsC to F
• Past flood impactsA to B
• Noise levelsA
• Radiation signalsC to D

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…