Imperial County, CA

ZIP 92273

In ZIP 92273, 3 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.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: US Gypsum Co (50%), mostly mercury compounds.
• Fine particles (PM2.5) average 7.7 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 92273

• Superfund sites nearbyC
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityC
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

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

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