Riverside County, CA

ZIP 92586

In ZIP 92586, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Eastern Municipal Wd has 2 contaminants at or over an EPA legal limit; 17 contaminants are above health goals, led by pfhxs at 7.6× California Notification Level.
• 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: Steris Inc (31%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.1 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 92586

• Superfund sites nearbyA
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityD
• Drinking water qualityF
• Pesticide useC to F
• Neighborhood health statusA to F
• Past wildfire impactsC to D
• Past flood impactsA
• Noise levelsA
• Radiation signalsB

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

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