Riverside County, CA

ZIP 92548

In ZIP 92548, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Nuevo Water Company has 2 contaminants at or over an EPA legal limit; 22 contaminants are above health goals, led by vanadium at 1.3× 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: Mccrometer (56%), mostly chromium.
• Fine particles (PM2.5) average 7.3 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 92548

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsA to C
• Parks and nature nearbyC
• Air qualityB to C
• Drinking water qualityF
• Pesticide useD to F
• Neighborhood health statusD
• Past wildfire impactsD to F
• Past flood impactsA
• Noise levelsA to B
• Radiation signalsC to D

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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