Lake County, CA

ZIP 95453

In ZIP 95453, 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; 10 contaminants are above health goals, led by arsenic at 538× 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 12.0 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 95453

• Superfund sites nearbyD to F
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyA to C
• Air qualityC to F
• Drinking water qualityA to C
• Pesticide useD to F
• Neighborhood health statusB to F
• Past wildfire impactsD to F
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsA to B

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…