Coconino County, Utah — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Coconino County, UT?
In Coconino County, Utah, public U.S. EPA records track 6 regulated facilities (#58 of 58 in Utah), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 6 Clean Water NPDES permits, 15 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Coconino County, UT 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Coconino County, UT Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Coconino County
ZIP Codes in Coconino County
Top EPA Regulated Facilities in Coconino County, UT
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 |
|---|---|---|---|---|
| NA-20-LD3 NAVAJO MOUNTAIN-PAIUTE MESA CISTERNS FREE PREVIEW (LOW RISK) | NAVAJO MOUNTAIN CHAPTER COMMUNITY, NAVAJO MOUTAIN, UT 86044 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| NAVAJO MOUNTAIN RAINBOW CITY WATER (Q79) FREE PREVIEW (LOW RISK) | NAVAJO MOUNTAIN - RAINBOW CITY, RAINBOW CITY, UT 86044 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| NA-10-Z16 NAVAJO MOUNTAIN SEWER SYSTEMS UPGRADE FREE PREVIEW (LOW RISK) | NAVAJO MOUNTAIN LAGOON / INSCRIPTION HOUSE YARD, NAVAJO MOUNTAIN, UT 86044 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
| NA-13-Q76/Z91 NAVAJO MOUNTAIN, UTAH SCATTERED FREE PREVIEW (LOW RISK) | NAVAJO MOUNTAIN CHAPTER COMMUNITY, NAVAJO MOUNTAIN, UT 86044 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Coconino County, Utah Environmental Due Diligence
How many EPA-regulated environmental sites are in Coconino County County, Utah?
Public U.S. EPA records track 6 regulated facilities in Coconino County County, Utah (ranking #58 of 58 jurisdictions in UT). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Coconino County County have the highest regulated facility density?
Within Coconino County County, the highest concentrations of EPA-tracked facilities are located in ZIP 86044 (Navajo Mountain, 29 sites), spanning municipal corridors including Navajo Mountain (5 sites), Rainbow City (1 sites), Navajo Moutain (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Coconino County County?
Across Coconino 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 Coconino County County, UT?
Geologic indoor air screening places Coconino County County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Coconino County County, UT?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 6 Clean Water Act NPDES permits, and 0 impaired water dischargers in Coconino County County, alongside 15 historical FEMA federal disaster declarations (3 flood/storm events).
Does Coconino County, UT have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Coconino County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.