ZIP 91066 (Somis, CA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 91066 in Somis, California (Ventura County) has 4 EPA-tracked facilities, including 1 High-Risk sites (25.0%), 1 active violators, and $15,000 in federal penalties. Beyond industrial pollution, properties in ZIP 91066 are screened across 6 historical Ventura County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (3), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 91066 (Somis, 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 91066 (Somis, CA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)ZIP 91066 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 91066 (Somis, 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 • ARCADIA, CA (ZIP 91066 Sector) | HIGH (70/100) | Significant Violation (10 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| JEFFERSON FARMS FREE PREVIEW (LOW RISK) | 7950 BALCOM CYN RD, SOMIS, CA 91066 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| JOHNSON PRODUCTS INC FREE PREVIEW (LOW RISK) | 149 LA PORTE, ARCADIA, CA 91066 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| ARCADIA CITY WS FREE PREVIEW (LOW RISK) | 11800 GOLDRING ROAD PO BOX 60021, ARCADIA, CA 91066 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 91066 (Somis, CA) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 02, 2026)How many EPA-tracked environmental sites are in ZIP code 91066 (Somis, CA)?
ZIP code 91066 (Somis, CA) contains 4 EPA-tracked facilities, of which 1 (25.0%) are classified in the High-Risk tier, 1 (25.0%) have active compliance violations, and 2 (50.0%) handle RCRA hazardous waste.
How does ZIP 91066 compare to Ventura County and California averages?
In ZIP 91066, 25.0% of regulated sites are rated High Risk, compared to 0.2% across Ventura County and 0.3% statewide in California.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 91066?
Geologic screening places ZIP 91066 in EPA Zone 1 — High Potential (> 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 91066 (Somis, CA) in a FEMA flood zone and what is the flood disaster history?
Ventura County has recorded 6 historical FEMA federal disaster declarations (4 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 91066 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 91066 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 91066 indicates a LOW shrink-swell risk signal. Within ZIP 91066, federal registries track 0 SDWIS drinking water facilities, 3 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.