Lake County, CA

ZIP 95435

In ZIP 95435, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lake County Csa 20 - Soda Bay meets every EPA legal limit; 11 contaminants are above health goals, led by lead at 200× California’s Public Health Goal.
• Nearest Superfund site: Sulphur Bank Mercury Mine, 6.5 miles away.
• Largest share of modeled toxic air from industry: Granite Construction Co - Highway 175 (100%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 305,708 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95435

• Superfund sites nearbyF
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityC
• Drinking water qualityD to F
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsD
• Past flood impactsA
• Noise levelsA
• Radiation signalsC

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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