Sacramento County, CA

ZIP 95864

In ZIP 95864, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cal Am - Arden has 2 contaminants at or over an EPA legal limit; 8 contaminants are above health goals, led by pfos at 6.6× California’s Public Health Goal.
• Nearest Superfund site: Mather Air Force Base (ac&w Disposal Site), 4.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Mitsubishi Chemical Carbon Fiber & Composites Inc. (72%), mostly hydrogen cyanide.
• Fine particles (PM2.5) average 10.9 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 95864

• Superfund sites nearbyF
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityF
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to B
• Radiation signalsC

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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