San Bernardino County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in San Bernardino County, CA?
In San Bernardino County, California, public U.S. EPA records track 26,780 regulated facilities (#6 of 136 in California), including 90 (0.3%) High-Risk sites and $40,398,177 in federal penalties. Countywide due diligence also covers 376 Safe Drinking Water (SDWIS) facilities, 2,525 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
San Bernardino 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📊 San Bernardino County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in San Bernardino County
ZIP Codes in San Bernardino County
Top EPA Regulated Facilities in San Bernardino 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • FONTANA, CA (ZIP 92335 Sector) | HIGH (92/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • TRONA, CA (ZIP 93562 Sector) | HIGH (79/100) | Significant Violation (9 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • HESPERIA, CA (ZIP 92345 Sector) | HIGH (72/100) | Violation Identified (3 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • FONTANA, CA (ZIP 92337 Sector) | HIGH (71/100) | Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CHINO, CA (ZIP 91710 Sector) | HIGH (70/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • REDLANDS, CA (ZIP 92374 Sector) | HIGH (70/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ONTARIO, CA (ZIP 91761 Sector) | HIGH (68/100) | Significant Violation (6 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • TWENTYNINE PALMS, CA (ZIP 92278 Sector) | HIGH (68/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| UNCLE TONY'S CUSTOM CYCLES FREE PREVIEW (LOW RISK) | 24564 REDLANDS BOULEVARD, LOMA LINDA, CA 92354 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| STANTEC TEMPORARY FIELD-TESTING SITE-F FREE PREVIEW (LOW RISK) | 1775 N BENSON AVE, UPLAND, CA 91784 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — San Bernardino County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in San Bernardino County, California?
Public U.S. EPA records track 26,780 regulated facilities in San Bernardino County, California (ranking #6 of 136 jurisdictions in CA). Of those, 90 (0.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 95 (0.4%) have active non-compliance quarters.
Which ZIP codes and cities in San Bernardino County have the highest regulated facility density?
Within San Bernardino County, the highest concentrations of EPA-tracked facilities are located in ZIP 91761 (Ontario, 2,591 sites), ZIP 92335 (Fontana, 1,814 sites), ZIP 91710 (Chino, 1,770 sites), spanning municipal corridors including Ontario (4,508 sites), San Bernardino (3,624 sites), Fontana (3,316 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in San Bernardino County?
Across San Bernardino County, 26,039 facilities (97.2% 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 San Bernardino County, CA?
Geologic indoor air screening places San Bernardino 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 San Bernardino County, CA?
Federal records track 376 Safe Drinking Water (SDWIS) facilities, 2,525 Clean Water Act NPDES permits, and 303 impaired water dischargers in San Bernardino County, alongside 5 historical FEMA federal disaster declarations (3 flood/storm events).
Does San Bernardino County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for San Bernardino County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.