Orange County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Orange County, CA?
In Orange County, California, public U.S. EPA records track 71,810 regulated facilities (#2 of 136 in California), including 67 (0.1%) High-Risk sites and $13,459,618 in federal penalties. Countywide due diligence also covers 69 Safe Drinking Water (SDWIS) facilities, 2,502 Clean Water NPDES permits, 6 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Orange 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📊 Orange County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Orange County
ZIP Codes in Orange County
Top EPA Regulated Facilities in Orange 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 • HUNTINGTON BEACH, CA (ZIP 92649 Sector) | HIGH (72/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GARDEN GROVE, CA (ZIP 92841 Sector) | HIGH (71/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ANAHEIM, CA (ZIP 92806 Sector) | HIGH (70/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • BREA, CA (ZIP 92821 Sector) | HIGH (68/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • TUSTIN, CA (ZIP 92780 Sector) | HIGH (68/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ORANGE, CA (ZIP 92865 Sector) | HIGH (67/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ANAHEIM, CA (ZIP 92806 Sector) | HIGH (66/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LAGUNA HILLS, CA (ZIP 92653 Sector) | HIGH (64/100) | Violation (5 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| NEW CINGULAR WIRELESS PCS LLC FREE PREVIEW (LOW RISK) | 6448 1/2 S SANTA FE AVE #A, HUNTINGTON BEACH, CA 90255 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Orange County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Orange County, California?
Public U.S. EPA records track 71,810 regulated facilities in Orange County, California (ranking #2 of 136 jurisdictions in CA). Of those, 67 (0.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 69 (0.1%) have active non-compliance quarters.
Which ZIP codes and cities in Orange County have the highest regulated facility density?
Within Orange County, the highest concentrations of EPA-tracked facilities are located in ZIP 92691 (Mission Viejo, 2,832 sites), ZIP 92637 (Laguna Woods, 2,501 sites), ZIP 92646 (Huntington Beach, 2,467 sites), spanning municipal corridors including Anaheim (7,423 sites), Huntington Beach (6,856 sites), Santa Ana (6,344 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Orange County?
Across Orange County, 71,311 facilities (99.3% 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 Orange County, CA?
Geologic indoor air screening places Orange 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 Orange County, CA?
Federal records track 69 Safe Drinking Water (SDWIS) facilities, 2,502 Clean Water Act NPDES permits, and 173 impaired water dischargers in Orange County, alongside 6 historical FEMA federal disaster declarations (2 flood/storm events).
Does Orange County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Orange County indicates a MODERATE 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.