Sacramento County, CA

ZIP 95621

In ZIP 95621, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sacramento Suburban Water District meets every EPA legal limit; 16 contaminants are above health goals, led by lead at 736× California’s Public Health Goal.
• Nearest Superfund site: Mcclellan Air Force Base (ground Water Contamination), 4.6 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Mitsubishi Chemical Carbon Fiber & Composites Inc. (63%), mostly hydrogen cyanide.
• Fine particles (PM2.5) average 11.1 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 95621

• Superfund sites nearbyD to F
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityF
• Drinking water qualityB to F
• Pesticide useC
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsB to C

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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