Calaveras County, CA

ZIP 95245

In ZIP 95245, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Rite Of Passage/Sierra Ridge has 1 contaminant at or over an EPA legal limit; 3 contaminants are above health goals, led by pfoa at 257× California’s Public Health Goal.
• Closer to Superfund sites than 56% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Ampine: A Div Of Timber Products (100%), mostly diisocyanates.
• Fine particles (PM2.5) average 8.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 8,792 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95245

• Superfund sites nearbyA to C
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyA to B
• Air qualityC to F
• Drinking water qualityA to F
• Pesticide useC
• Neighborhood health statusF
• Past wildfire impactsF
• Past flood impactsC
• Noise levelsA
• Radiation signalsC to F

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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