ZIP 92121 (San Diego, CA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 92121 in San Diego, California (San Diego County) has 2,634 EPA-tracked facilities, including 5 High-Risk sites (0.2%), 3 active violators, and $2,527,180 in federal penalties. Beyond industrial pollution, properties in ZIP 92121 are screened across 3 historical San Diego County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (280), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 92121 (San Diego, CA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 92121 (San Diego, CA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 92121 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 5 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 92121 (San Diego, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • SAN DIEGO, CA (ZIP 92121 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SAN DIEGO, CA (ZIP 92121 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SAN DIEGO, CA (ZIP 92121 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAN DIEGO, CA (ZIP 92121 Sector) | HIGH (64/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 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 #6 | 🔒 Exact Street & Parcel Redacted • SAN DIEGO, CA (ZIP 92121 Sector) | MODERATE (36/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SAN DIEGO, CA (ZIP 92121 Sector) | MODERATE (36/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SAN DIEGO, CA (ZIP 92121 Sector) | MODERATE (34/100) | Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| SUNSTATE EQUIPMENT COMPANY FREE PREVIEW (LOW RISK) | 5590 EASTGATE MALL, SAN DIEGO, CA 92121 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| COAST PRECISION ENTERPRISES INC FREE PREVIEW (LOW RISK) | 8636 COMMERCE AVE, SAN DIEGO, CA 92121 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| FEDERAL EXPRESS FREE PREVIEW (LOW RISK) | 5550 EASTGATE MALL, SAN DIEGO, CA 92121 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| CANYON GRAPHICS FREE PREVIEW (LOW RISK) | 6680 COBRA WAY, SAN DIEGO, CA 92121 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 92121 (San Diego, CA) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 92121 (San Diego, CA)?
ZIP code 92121 (San Diego, CA) contains 2,634 EPA-tracked facilities, of which 5 (0.2%) are classified in the High-Risk tier, 3 (0.1%) have active compliance violations, and 2,404 (91.3%) handle RCRA hazardous waste.
How does ZIP 92121 compare to San Diego County and California averages?
In ZIP 92121, 0.2% of regulated sites are rated High Risk, compared to 0.1% across San Diego County and 0.3% statewide in California.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 92121?
Geologic screening places ZIP 92121 in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 92121 (San Diego, CA) in a FEMA flood zone and what is the flood disaster history?
San Diego County has recorded 3 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 92121 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 92121 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 92121 indicates a LOW shrink-swell risk signal. Within ZIP 92121, federal registries track 0 SDWIS drinking water facilities, 280 Clean Water NPDES permits, and 85 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.