Unknown, Arizona — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
Public U.S. EPA records track 2,458 regulated facilities in Unknown, Arizona (Maricopa County), including 1 High-Risk sites (0.0%) and 28 active violators. In addition to industrial waste, Unknown properties are screened for Tap Water & Watershed Permits (2,458 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 3 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Unknown, AZ 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Unknown, AZ Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP Codes in Unknown, AZ
Highest-Scored EPA Regulated Facilities in Unknown, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, AZ (ZIP 86305 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, AZ (ZIP 85255 Sector) | MODERATE (45/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, AZ (ZIP 85233 Sector) | MODERATE (38/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, AZ (ZIP 85282 Sector) | MODERATE (38/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, AZ (ZIP 85251 Sector) | MODERATE (35/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, AZ (ZIP 85711 Sector) | MODERATE (34/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, AZ (ZIP 85260 Sector) | MODERATE (34/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, AZ (ZIP 85009 Sector) | MODERATE (33/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| COPPERLAND ESTATES FREE PREVIEW (LOW RISK) | NO ADDRESS ON FILE, UNKNOWN, AZ 85260 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| PROJECT 4805 FREE PREVIEW (LOW RISK) | NO ADDRESS ON FILE, UNKNOWN, AZ 56310 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| ADOT - US 89 FLAGSTAFF FREE PREVIEW (LOW RISK) | NO ADDRESS ON FILE, UNKNOWN, AZ 85713 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| I-10 FROM DIRK LAY RD TO SOUTH OF SR-387 FREE PREVIEW (LOW RISK) | NO ADDRESS ON FILE, UNKNOWN, AZ 85251 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Unknown, Arizona Environmental Risk & Radon
How many EPA-regulated facilities are in Unknown, AZ?
U.S. EPA records track 2,458 regulated facilities in Unknown, Arizona, including 1 high-risk sites (0.0%), 28 active violators (1.1%), and 0 RCRA hazardous waste handlers (0.0%).
Which ZIP codes in Unknown, AZ have the most EPA-tracked sites?
Within Unknown, regulated facilities are primarily concentrated across ZIP 85016 (228 sites), ZIP 85251 (212 sites), ZIP 85258 (207 sites), ZIP 85714 (168 sites).
How can I check a specific house or commercial property in Unknown, AZ?
Enter the exact street address in Unknown into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Unknown, AZ and how many EPA water permits exist?
In Unknown, AZ, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 2,458 Clean Water Act NPDES permits, and 146 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Unknown, AZ?
USDA regional soil screening for Unknown indicates a MODERATE shrink-swell foundation signal, and Maricopa County has recorded 3 federal FEMA disaster declarations (0 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.