Riverside County, CA

ZIP 92276

In ZIP 92276, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mission Springs Wd meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 297× 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: Thousand Palms Plant 26 (58%), mostly lead compounds.
• Fine particles (PM2.5) average 8.9 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 92276

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

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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