ZIP 86503 (Chinle, AZ) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 86503 in Chinle, Arizona (Apache County) has 118 EPA-tracked facilities, including 1 High-Risk sites (0.8%), 3 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 86503 are screened across 2 historical Apache County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (95), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 86503 (Chinle, 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 86503 (Chinle, AZ) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 86503 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 86503 (Chinle, 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 |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CHINLE, AZ (ZIP 86503 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CHINLE, AZ (ZIP 86503 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CHINLE, AZ (ZIP 86503 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CHINLE, AZ (ZIP 86503 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CHINLE, NN (ZIP 86503 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| CHINLE SCHOOLS TRANSPORTATION NN FREE PREVIEW (LOW RISK) | NEAR JUNCTION NAVAJO ROUTE 27 AND, CHINLE, AZ 86503 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BRANCH OF NATURAL RESOURCES FREE PREVIEW (LOW RISK) | NAVAJO RTE 7, CHINLE, AZ 86503 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHINLE COMP HEALTH CARE FAC FREE PREVIEW (LOW RISK) | 2.5 MI S W OF JCT 191 AND, CHINLE, NN 86503 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHINLE JR HIGH SCHOOL FREE PREVIEW (LOW RISK) | HWY 191 & NAVAJO RTE 7, CHINLE, AZ 86503 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CHINLE, AZ (ZIP 86503 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CHINLE, AZ (ZIP 86503 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CHINLE, AZ (ZIP 86503 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 86503 (Chinle, 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 86503 (Chinle, AZ)?
ZIP code 86503 (Chinle, AZ) contains 118 EPA-tracked facilities, of which 1 (0.8%) are classified in the High-Risk tier, 3 (2.5%) have active compliance violations, and 17 (14.4%) handle RCRA hazardous waste.
How does ZIP 86503 compare to Apache County and Arizona averages?
In ZIP 86503, 0.8% of regulated sites are rated High Risk, compared to 0.3% across Apache County and 0.9% statewide in Arizona.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 86503?
Geologic screening places ZIP 86503 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 86503 (Chinle, AZ) in a FEMA flood zone and what is the flood disaster history?
Apache County has recorded 2 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 86503 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 86503 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 86503 indicates a MODERATE shrink-swell risk signal. Within ZIP 86503, federal registries track 5 SDWIS drinking water facilities, 90 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.