Amador County, CA

ZIP 95640

In ZIP 95640, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Scwa - Laguna/Vineyard has 2 contaminants at or over an EPA legal limit; 16 contaminants are above health goals, led by lead at 62× California’s Public Health Goal.
• Closer to Superfund sites than 96% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Mitsubishi Chemical Carbon Fiber & Composites Inc. (43%), mostly diisocyanates.
• Fine particles (PM2.5) average 9.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,306,121 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95640

• Superfund sites nearbyA to F
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityD to F
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA to D
• Past flood impactsB to C
• Noise levelsA
• Radiation signalsC to D

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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