Calaveras County, CA

ZIP 95228

In ZIP 95228, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ccwd - Copper Cove meets every EPA legal limit; 11 contaminants are above health goals, led by pfoa at 171× 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: Hogan Manufacturing Inc (74%), mostly chromium.
• Fine particles (PM2.5) average 9.1 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 95228

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityF
• Drinking water qualityC
• Pesticide useD
• Neighborhood health statusC to D
• Past wildfire impactsD to F
• Past flood impactsC
• Noise levelsA
• Radiation signalsB to D

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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