Tuolumne County, CA

ZIP 95329

In ZIP 95329, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cobles Corner has 1 contaminant at or over an EPA legal limit; 5 contaminants are above health goals, led by arsenic at 2,876× 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: Gallo Glass Co (50%), mostly chromium compounds.
• Fine particles (PM2.5) average 9.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,181,002 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95329

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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