Imperial County, CA

ZIP 92243

In ZIP 92243, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Naf El Centro meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 270× 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. (58%), mostly ammonia.
• Fine particles (PM2.5) average 9.9 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 92243

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

Based on 14 census tracts · compiled October 25, 2026 · how each grade works and its sources

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