Altadena, California — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
Public U.S. EPA records track 1,169 regulated facilities in Altadena, California (Los Angeles County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Altadena properties are screened for Tap Water & Watershed Permits (12 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).
Altadena, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Altadena, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)ZIP Codes in Altadena, CA
Highest-Scored EPA Regulated Facilities in Altadena, 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • ALTADENA, CA (ZIP 91001 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ALTADENA, CA (ZIP 91001 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ALTADENA, CA (ZIP 91001 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ALTADENA, CA (ZIP 91001 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ALTADENA, CA (ZIP 91001 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ALTADENA, CA (ZIP 91001 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ALTADENA, CA (ZIP 91001 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ALTADENA, CA (ZIP 91001 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| FIRST CHURCH OF CHRIST SCIENTIST OF ALTADENA FREE PREVIEW (LOW RISK) | 942 E ALTADENA DR, ALTADENA, CA 91001 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| ALTADENA ANIMAL HOSPITAL INC FREE PREVIEW (LOW RISK) | 2071 N LAKE AVE, ALTADENA, CA 91001 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| ALDI INC DBA ALDI #116 FREE PREVIEW (LOW RISK) | 2246 N LAKE AVE UNIT B, ALTADENA, CA 91001 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| S C E EAGLE ROCK MESA 220 K V T L FREE PREVIEW (LOW RISK) | 2300 PINECREST DR, ALTADENA, CA 91001 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Altadena, California Environmental Risk & Radon
How many EPA-regulated facilities are in Altadena, CA?
U.S. EPA records track 1,169 regulated facilities in Altadena, California, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 1,156 RCRA hazardous waste handlers (98.9%).
Which ZIP codes in Altadena, CA have the most EPA-tracked sites?
Within Altadena, regulated facilities are primarily concentrated across ZIP 91001 (1,169 sites), ZIP 91004 (1 sites).
How can I check a specific house or commercial property in Altadena, CA?
Enter the exact street address in Altadena 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 Altadena, CA and how many EPA water permits exist?
In Altadena, CA, federal registries track 3 Safe Drinking Water (SDWIS) facilities, 9 Clean Water Act NPDES permits, and 2 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Altadena, CA?
USDA regional soil screening for Altadena 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.