Downey, California — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
Public U.S. EPA records track 1,547 regulated facilities in Downey, California (Los Angeles County), including 2 High-Risk sites (0.1%) and 5 active violators. In addition to industrial waste, Downey properties are screened for Tap Water & Watershed Permits (105 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 12 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Downey, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Downey, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)ZIP Codes in Downey, CA
Highest-Scored EPA Regulated Facilities in Downey, 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 • DOWNEY, CA (ZIP 90242 Sector) | HIGH (68/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • DOWNEY, CA (ZIP 90241 Sector) | MODERATE (49/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • DOWNEY, CA (ZIP 90241 Sector) | MODERATE (36/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • DOWNEY, CA (ZIP 90241 Sector) | MODERATE (34/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • DOWNEY, CA (ZIP 90241 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • DOWNEY, CA (ZIP 90242 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • DOWNEY, CA (ZIP 90242 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • DOWNEY, CA (ZIP 90241 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| KAISER PERMANENTE DOWNEY MEDICAL CENTER FREE PREVIEW (LOW RISK) | 9333 IMPERIAL HWY, DOWNEY, CA 90242 | LOW (23/100) | No Violation Identified (0 qtrs NC) | $0 |
| L G L TRANSPORTATION FREE PREVIEW (LOW RISK) | 8855 GOLDEN ST, DOWNEY, CA 90242 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| EBUS, INC. FREE PREVIEW (LOW RISK) | 9250 WASHBURN RD, DOWNEY, CA 90242 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WELLS CAPITAL INVESTMENTS, LLC FREE PREVIEW (LOW RISK) | 9020 TELEGRAPH RD, DOWNEY, CA 90240 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Downey, California Environmental Risk & Radon
How many EPA-regulated facilities are in Downey, CA?
U.S. EPA records track 1,547 regulated facilities in Downey, California, including 2 high-risk sites (0.1%), 5 active violators (0.3%), and 1,463 RCRA hazardous waste handlers (94.6%).
Which ZIP codes in Downey, CA have the most EPA-tracked sites?
Within Downey, regulated facilities are primarily concentrated across ZIP 90241 (754 sites), ZIP 90242 (514 sites), ZIP 90240 (282 sites), ZIP 92042 (4 sites).
How can I check a specific house or commercial property in Downey, CA?
Enter the exact street address in Downey into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Downey, CA and how many EPA water permits exist?
In Downey, CA, federal registries track 6 Safe Drinking Water (SDWIS) facilities, 99 Clean Water Act NPDES permits, and 46 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Downey, CA?
USDA regional soil screening for Downey indicates a LOW shrink-swell foundation signal, and Los Angeles County has recorded 12 federal FEMA disaster declarations (5 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.