Pima County, Arizona — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Pima County, AZ?
In Pima County, Arizona, public U.S. EPA records track 528 regulated facilities (#8 of 36 in Arizona), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 17 Safe Drinking Water (SDWIS) facilities, 494 Clean Water NPDES permits, 22 FEMA Federal Disaster Declarations (6 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Pima 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📊 Pima County, AZ Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Pima County
Top EPA Regulated Facilities in Pima 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 • TUCSON, AZ (ZIP 85714 Sector) | MODERATE (44/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MARANA, AZ (ZIP 85743 Sector) | MODERATE (39/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GLENDALE, AZ (ZIP 85307 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85754 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85754 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85705 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85743 Sector) | MODERATE (32/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85714 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| SUN TRAN FREE PREVIEW (LOW RISK) | 3920 N SUN TRAN BLVD, TUCSON, AZ 85705 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| ROAD MACHINERY CO FREE PREVIEW (LOW RISK) | 3285 E 44TH ST, TUCSON, AZ 85713 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| BASS PRO SHOPS TUCSON FREE PREVIEW (LOW RISK) | 1500 E TUCSON MARKETPLACE BLVD, TUCSON, AZ 85713 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| AMAZON.COM SERVICES LLC - SAZ3 FREE PREVIEW (LOW RISK) | 3780 VALENCIA RD, TUCSON, AZ 85756 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Pima County, Arizona Environmental Due Diligence
How many EPA-regulated environmental sites are in Pima County County, Arizona?
Public U.S. EPA records track 528 regulated facilities in Pima County County, Arizona (ranking #8 of 36 jurisdictions in AZ). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 12 (2.3%) have active non-compliance quarters.
Which ZIP codes and cities in Pima County County have the highest regulated facility density?
Within Pima County County, the highest concentrations of EPA-tracked facilities are located in ZIP 85258 (Unknown, 207 sites), ZIP 85714 (Unknown, 168 sites), ZIP 85710 (Tucson, 97 sites), spanning municipal corridors including Tucson (2,110 sites), Vail (17 sites), San Miguel (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Pima County County?
Across Pima County County, 7 facilities (1.3% 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 Pima County County, AZ?
Geologic indoor air screening places Pima 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 Pima County County, AZ?
Federal records track 17 Safe Drinking Water (SDWIS) facilities, 494 Clean Water Act NPDES permits, and 28 impaired water dischargers in Pima County County, alongside 22 historical FEMA federal disaster declarations (6 flood/storm events).
Does Pima County, AZ have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Pima 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.