Onyx, California — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Onyx, CA?
Public U.S. EPA records track 11 regulated facilities in Onyx, California (Kern County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Onyx properties are screened for Tap Water & Watershed Permits (2 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 5 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Onyx, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Onyx, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)ZIP Codes in Onyx, CA
Highest-Scored EPA Regulated Facilities in Onyx, 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 • ONYX, CA (ZIP 93255 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ONYX, CA (ZIP 93255 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ONYX, CA (ZIP 93255 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ONYX, CA (ZIP 93255 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ONYX, CA (ZIP 93255 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| CALTRANS DISTRICT 9 EA 0941160 FREE PREVIEW (LOW RISK) | LAT LONG USED, ONYX, CA 93255 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| LADD READY MIXED CONCRETE CO FREE PREVIEW (LOW RISK) | 30503 HIGHWAY 178, ONYX, CA 93255 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 7/11 MATERIALS INC FREE PREVIEW (LOW RISK) | 30503 CA HIGHWAY 178, ONYX, CA 93255 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CANEBRAKE 12KV INFRASTRUCTURE REPLACEMENT FREE PREVIEW (LOW RISK) | ALONG STATE ROUTE 178 AND EAST OF LAKE ISABELLA, ONYX, CA 93255 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Onyx, California Environmental Risk & Radon
How many EPA-regulated facilities are in Onyx, CA?
U.S. EPA records track 11 regulated facilities in Onyx, California, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 9 RCRA hazardous waste handlers (81.8%).
Which ZIP codes in Onyx, CA have the most EPA-tracked sites?
Within Onyx, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in Onyx, CA?
Enter the exact street address in Onyx 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 Onyx, CA and how many EPA water permits exist?
In Onyx, CA, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 2 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Onyx, CA?
USDA regional soil screening for Onyx indicates a MODERATE shrink-swell foundation signal, and Kern County has recorded 5 federal FEMA disaster declarations (3 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.