Pima County, Arizona — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Pima County, Arizona, public U.S. EPA records track 2,123 regulated facilities (#3 of 36 in Arizona), including 12 (0.6%) High-Risk sites and $11,477,100 in federal penalties. Countywide due diligence also covers 239 Safe Drinking Water (SDWIS) facilities, 674 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 01, 2026)Municipalities in Pima County
ZIP Codes 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • SAHUARITA, AZ (ZIP 85629 Sector) | HIGH (70/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85713 Sector) | HIGH (67/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85713 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85756 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85745 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85756 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85705 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • TUCSON, AZ (ZIP 85701 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| WALMART #1325 FREE PREVIEW (LOW RISK) | 455 E WETMORE RD, TUCSON, AZ 85705 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| ESTATE OF GEORGE LUEDEMANN FREE PREVIEW (LOW RISK) | 12900 W ARIVACA RD, ARIVACA, AZ 85601 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MACYS - PARK MALL FREE PREVIEW (LOW RISK) | 5850 E BROADWAY BLVD, TUCSON, AZ 85711 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| ROYAL SUZUKI FREE PREVIEW (LOW RISK) | 5920 E SPEEDWAY BLVD, TUCSON, AZ 85712 | LOW (16/100) | 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, Arizona?
Public U.S. EPA records track 2,123 regulated facilities in Pima County, Arizona (ranking #3 of 36 jurisdictions in AZ). Of those, 12 (0.6%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 53 (2.5%) have active non-compliance quarters.
Which ZIP codes and cities in Pima County have the highest regulated facility density?
Within Pima County, the highest concentrations of EPA-tracked facilities are located in ZIP 85705 (Tucson, 288 sites), ZIP 85713 (Tucson, 248 sites), ZIP 85706 (Tucson, 185 sites), spanning municipal corridors including Marana (97 sites), Sahuarita (46 sites), Green Valley (38 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Pima County?
Across Pima County, 1,704 facilities (80.3% 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, AZ?
Geologic indoor air screening places Pima 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, AZ?
Federal records track 239 Safe Drinking Water (SDWIS) facilities, 674 Clean Water Act NPDES permits, and 49 impaired water dischargers in Pima 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.