Imperial County, CA

ZIP 92251

In ZIP 92251, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Seeley Cwd meets every EPA legal limit; 12 contaminants are above health goals, led by pfos at 2.4× California’s Public Health Goal.
• Nearest Superfund site: Stoker Chemical, 6.3 miles away.
• Largest share of modeled toxic air from industry: Spreckels Sugar Co Inc. (55%), mostly ammonia.
• Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,702,670 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 92251

• Superfund sites nearbyC to D
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityC to F
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

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

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