Riverside County, CA

ZIP 92240

In ZIP 92240, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Csa 70-F Morongo has 1 contaminant at or over an EPA legal limit; 7 contaminants are above health goals, led by uranium at 139× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Robertson'S Ready Mix (46%), mostly lead compounds.
• Fine particles (PM2.5) average 9.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,172,577 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 92240

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA to C
• Parks and nature nearbyA to C
• Air qualityC to F
• Drinking water qualityB to D
• Pesticide useC to D
• Neighborhood health statusB to D
• Past wildfire impactsC to D
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsF

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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