Sacramento County, CA

ZIP 95639

In ZIP 95639, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cal Am - Isleton has 3 contaminants at or over an EPA legal limit; 7 contaminants are above health goals, led by pfos at 7.6× California’s Public Health Goal.
• Closer to Superfund sites than 53% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Shell Catalysts & Technologies - Pittsburg (29%), mostly cobalt compounds.
• Fine particles (PM2.5) average 8.3 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 95639

• Superfund sites nearbyC
• Factories and industrial sitesB
• Oil and gas wellsF
• Parks and nature nearbyC
• Air qualityD
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsA

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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