Placer County, CA

ZIP 95722

In ZIP 95722, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Placer Cwa - Applegate meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 299× 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: Greenheck Fan Corp - Rocklin California (40%), mostly chromium.
• Fine particles (PM2.5) average 8.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 85,451 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 95722

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityF
• Drinking water qualityC
• Pesticide useC
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsA to B

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

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