Riverside County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Riverside County, CA?
In Riverside County, California, public U.S. EPA records track 1,142 regulated facilities (#44 of 136 in California), including 2 (0.2%) High-Risk sites and $177,000 in federal penalties. Countywide due diligence also covers 3 Safe Drinking Water (SDWIS) facilities, 1,079 Clean Water NPDES permits, 6 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Riverside County, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Riverside County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Riverside County
ZIP Codes in Riverside County
Top EPA Regulated Facilities in Riverside County, CA
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CORONA, CA (ZIP 92880 Sector) | MODERATE (46/100) | Unknown (3 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • RIVERSIDE, CA (ZIP 92507 Sector) | MODERATE (40/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ROMOLAND, CA (ZIP 92585 Sector) | MODERATE (38/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CORONA, CA (ZIP 92880 Sector) | MODERATE (37/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CORONA, CA (ZIP 92880 Sector) | MODERATE (36/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • RIVERSIDE, CA (ZIP 92507 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • LAKE ELSINORE, CA (ZIP 92532 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CORONA, CA (ZIP 92883 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| XPO LOGISTICS FREIGHT INC UBY FREE PREVIEW (LOW RISK) | 12555 MESA DR, BLYTHE, CA 92225 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| EWLES MATERIALS FREE PREVIEW (LOW RISK) | 26160 ADAMS AVENUE, MURRIETA, CA 92562 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| TAHQUITZ CREEK GOLF RESORT FREE PREVIEW (LOW RISK) | 1885 GOLF CLUB DR, PALM SPRINGS, CA 92264 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| QUALITY FOAM PACKAGING FREE PREVIEW (LOW RISK) | 31855 CORYDON ST, LAKE ELSINORE, CA 92530 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Riverside County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Riverside County County, California?
Public U.S. EPA records track 1,142 regulated facilities in Riverside County County, California (ranking #44 of 136 jurisdictions in CA). Of those, 2 (0.2%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 34 (3.0%) have active non-compliance quarters.
Which ZIP codes and cities in Riverside County County have the highest regulated facility density?
Within Riverside County County, the highest concentrations of EPA-tracked facilities are located in ZIP 92586 (Menifee, 477 sites), ZIP 92571 (Canyon Lake, 464 sites), ZIP 92883 (Corona, 321 sites), spanning municipal corridors including Menifee (741 sites), Canyon Lake (95 sites), Anza (58 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Riverside County County?
Across Riverside County County, 116 facilities (10.2% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Riverside County County, CA?
Geologic indoor air screening places Riverside County County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Riverside County County, CA?
Federal records track 3 Safe Drinking Water (SDWIS) facilities, 1,079 Clean Water Act NPDES permits, and 104 impaired water dischargers in Riverside County County, alongside 6 historical FEMA federal disaster declarations (2 flood/storm events).
Does Riverside County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Riverside County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.