ZIP 89421 (Mcdermitt, NV) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 89421 in Mcdermitt, Nevada (Humboldt County) has 11 EPA-tracked facilities, including 1 High-Risk sites (9.1%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 89421 are screened across 20 historical Humboldt County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (4), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 89421 (Mcdermitt, NV) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 89421 (Mcdermitt, NV) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 89421 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 89421 (Mcdermitt, NV)
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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • MCDERMITT, NV (ZIP 89421 Sector) | MODERATE (32/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MCDERMITT, NV (ZIP 89421 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MCDERMITT, NV (ZIP 89421 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| JACA TRUCK LINES INC FREE PREVIEW (LOW RISK) | 60 E STATELINE DR, MCDERMITT, NV 89421 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| MCDERMITT MINE FREE PREVIEW (LOW RISK) | CORDERO MINE RD, MCDERMITT, NV 89421 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| NEVADA BELL FREE PREVIEW (LOW RISK) | SS MAIN ST W HWY 95, MCDERMITT, NV 89421 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| MCDERMITT STP FREE PREVIEW (LOW RISK) | 0.25 MILE SW OF MCDERMITT, MCDERMITT, NV 89421 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MCDERMITT, NV (ZIP 89421 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WINNEMUCCA, NV (ZIP 89421 Sector) | LOW (9/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MCDERMITT, NV (ZIP 89421 Sector) | LOW (8/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 89421 (Mcdermitt, NV) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 89421 (Mcdermitt, NV)?
ZIP code 89421 (Mcdermitt, NV) contains 11 EPA-tracked facilities, of which 1 (9.1%) are classified in the High-Risk tier, 1 (9.1%) have active compliance violations, and 5 (45.5%) handle RCRA hazardous waste.
How does ZIP 89421 compare to Humboldt County and Nevada averages?
In ZIP 89421, 9.1% of regulated sites are rated High Risk, compared to 5.1% across Humboldt County and 1.0% statewide in Nevada.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 89421?
Geologic screening places ZIP 89421 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 89421 (Mcdermitt, NV) in a FEMA flood zone and what is the flood disaster history?
Humboldt County has recorded 20 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 89421 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 89421 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 89421 indicates a MODERATE shrink-swell risk signal. Within ZIP 89421, federal registries track 3 SDWIS drinking water facilities, 1 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.