Mckinley County, Arizona — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Mckinley County, AZ?
In Mckinley County, Arizona, public U.S. EPA records track 7 regulated facilities (#40 of 40 in Arizona), including 1 (14.3%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 2 Safe Drinking Water (SDWIS) facilities, 5 Clean Water NPDES permits, 22 FEMA Federal Disaster Declarations (6 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Mckinley County, AZ 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Mckinley County, AZ Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Mckinley County
ZIP Codes in Mckinley County
Top EPA Regulated Facilities in Mckinley County, 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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • WINDOW ROCK, AZ (ZIP 86515 Sector) | MODERATE (30/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WINDOW ROCK, AZ (ZIP 86515 Sector) | MODERATE (28/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| ROCK SPRINGS HOUSING (F17) FREE PREVIEW (LOW RISK) | ROCK SPRINGS, ROCK SPRINGS, AZ 87301 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHURCH ROCK PINEDALE ROCK SPRINGS HOUSING SUPPORT SCATTERED (F46) FREE PREVIEW (LOW RISK) | CHURCH ROCK TO ROCK SPRINGS, CHURCH ROCK, AZ 87311 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| NA-15-R95, ST. MICHAELS SOUTH WL UPGRADE FREE PREVIEW (LOW RISK) | WINDOW ROCK/ST. MICHAELS, WINDOW ROCK, AZ 87301 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| NA-14-XE2 ST. MICHAELS SEWER REHAB PHASE I FREE PREVIEW (LOW RISK) | BOP: US 264 AND BLACK CREEK WASH BRIDGE, ST. MICHAELS, AZ 87301 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • FORT DEFIANCE, AZ (ZIP 87316 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Mckinley County, Arizona Environmental Due Diligence
How many EPA-regulated environmental sites are in Mckinley County County, Arizona?
Public U.S. EPA records track 7 regulated facilities in Mckinley County County, Arizona (ranking #40 of 40 jurisdictions in AZ). Of those, 1 (14.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 2 (28.6%) have active non-compliance quarters.
Which ZIP codes and cities in Mckinley County County have the highest regulated facility density?
Within Mckinley County County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Church Rock (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Mckinley County County?
Across Mckinley County County, 0 facilities (0.0% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Mckinley County County, AZ?
Geologic indoor air screening places Mckinley County County in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Counties in EPA Radon Zone 3 have a predicted average indoor radon level below 2.0 pCi/L, indicating lower regional geologic radon risk.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Mckinley County County, AZ?
Federal records track 2 Safe Drinking Water (SDWIS) facilities, 5 Clean Water Act NPDES permits, and 0 impaired water dischargers in Mckinley County County, alongside 22 historical FEMA federal disaster declarations (6 flood/storm events).
Does Mckinley County, AZ have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Mckinley County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.