ZIP 86436 (Topock, AZ) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 86436 in Topock, Arizona (Mohave County) has 8 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 0 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 86436 are screened across 22 historical Mohave County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (2), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 86436 (Topock, AZ) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 86436 (Topock, AZ) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 86436 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 0 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 86436 (Topock, AZ)
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 |
|---|---|---|---|---|
| ARIZONA LNG FREE PREVIEW (LOW RISK) | 5499 NEEDLE MOUNTAIN RD, TOPOCK, AZ 86436 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| EL PASO NATURAL GAS COMPANY - TOPOCK STATION FREE PREVIEW (LOW RISK) | 5405 NEEDLE MOUNTAIN RD, TOPOCK, AZ 86436 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ADOT NEEDLE MTN MAINTENANCE FREE PREVIEW (LOW RISK) | N OF I 40 MP 3 EXIT 2, TOPOCK, AZ 86436 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| FAMILY DOLLAR #10900 FREE PREVIEW (LOW RISK) | 12961 S OATMAN HWY, TOPOCK, AZ 86436 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • HACKBERRY, AZ (ZIP 86436 Sector) | LOW (8/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 86436 (Topock, AZ) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 86436 (Topock, AZ)?
ZIP code 86436 (Topock, AZ) contains 8 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 0 (0.0%) have active compliance violations, and 6 (75.0%) handle RCRA hazardous waste.
How does ZIP 86436 compare to Mohave County and Arizona averages?
In ZIP 86436, 0.0% of regulated sites are rated High Risk, compared to 2.3% across Mohave County and 0.9% statewide in Arizona.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 86436?
Geologic screening places ZIP 86436 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 86436 (Topock, AZ) in a FEMA flood zone and what is the flood disaster history?
Mohave County has recorded 22 historical FEMA federal disaster declarations (6 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 86436 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 86436 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 86436 indicates a MODERATE shrink-swell risk signal. Within ZIP 86436, federal registries track 1 SDWIS drinking water facilities, 1 Clean Water NPDES permits, and 1 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.