San Diego County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in San Diego County, CA?
In San Diego County, California, public U.S. EPA records track 62,387 regulated facilities (#3 of 136 in California), including 48 (0.1%) High-Risk sites and $25,486,049 in federal penalties. Countywide due diligence also covers 352 Safe Drinking Water (SDWIS) facilities, 3,105 Clean Water NPDES permits, 3 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 Diego 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 Diego County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in San Diego County
ZIP Codes in San Diego County
Top EPA Regulated Facilities in San Diego 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 • OCEANSIDE, CA (ZIP 92058 Sector) | HIGH (76/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SAN DIEGO, CA (ZIP 92154 Sector) | HIGH (66/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ESCONDIDO, CA (ZIP 92029 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • FALLBROOK, CA (ZIP 92028 Sector) | HIGH (64/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • OCEANSIDE, CA (ZIP 92056 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PALA, CA (ZIP 92059 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SAN DIEGO, CA (ZIP 92121 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SAN DIEGO, CA (ZIP 92106 Sector) | MODERATE (57/100) | Violation Identified (11 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| MUIR INDUSTRIES INC. FREE PREVIEW (LOW RISK) | , , CA | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| PALOMAR CHRISTIAN CONFERENCE CENTER FREE PREVIEW (LOW RISK) | , , CA | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| CAL-AM WATER CORONADO FREE PREVIEW (LOW RISK) | , , CA | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| SCHOEPE SCOUT RESERVATION AT LOST VALLEY FREE PREVIEW (LOW RISK) | , , CA | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — San Diego County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in San Diego County, California?
Public U.S. EPA records track 62,387 regulated facilities in San Diego County, California (ranking #3 of 136 jurisdictions in CA). Of those, 48 (0.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 50 (0.1%) have active non-compliance quarters.
Which ZIP codes and cities in San Diego County have the highest regulated facility density?
Within San Diego County, the highest concentrations of EPA-tracked facilities are located in ZIP 92121 (San Diego, 2,634 sites), ZIP 92111 (San Diego, 1,958 sites), ZIP 92154 (San Diego, 1,783 sites), spanning municipal corridors including San Diego (31,822 sites), Oceanside (3,482 sites), Chula Vista (3,313 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in San Diego County?
Across San Diego County, 61,708 facilities (98.9% 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 Diego County, CA?
Geologic indoor air screening places San Diego 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 Diego County, CA?
Federal records track 352 Safe Drinking Water (SDWIS) facilities, 3,105 Clean Water Act NPDES permits, and 859 impaired water dischargers in San Diego County, alongside 3 historical FEMA federal disaster declarations (3 flood/storm events).
Does San Diego County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for San Diego 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.