Pinal County, Arizona — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Pinal County, AZ?
In Pinal County, Arizona, public U.S. EPA records track 636 regulated facilities (#5 of 36 in Arizona), including 8 (1.3%) High-Risk sites and $5,304,105 in federal penalties. Countywide due diligence also covers 108 Safe Drinking Water (SDWIS) facilities, 286 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Pinal 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📊 Pinal County, AZ Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Pinal County
ZIP Codes in Pinal County
Top EPA Regulated Facilities in Pinal 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 • CASA GRANDE, AZ (ZIP 85222 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MARICOPA, AZ (ZIP 85138 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • COOLIDGE, AZ (ZIP 85128 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • KEARNY, AZ (ZIP 85237 Sector) | MODERATE (54/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CASA GRANDE, AZ (ZIP 85222 Sector) | MODERATE (50/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CASA GRANDE, AZ (ZIP 85193 Sector) | MODERATE (49/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SUPERIOR, AZ (ZIP 85173 Sector) | MODERATE (46/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CASA GRANDE, AZ (ZIP 85222 Sector) | MODERATE (45/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| DESERT BASIN GENERATING STATION FREE PREVIEW (LOW RISK) | 1872 N. BURRIS ROAD, CASA GRANDE, AZ 85222 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| NALCO ONE-TIME WASTE CLEANING PROJECT FREE PREVIEW (LOW RISK) | FROM PHOENIX, AZ TO 1250 W MARICOPA HWY 1. GET, CASA GRANDE, AZ 85193 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| NISSAN TEST CENTER NORTH AMERICA FREE PREVIEW (LOW RISK) | 7815 W WHITE AND PARKER RD, STANFIELD, AZ 85172 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| A T AND T CORP FREE PREVIEW (LOW RISK) | RT 587 TO DIRT RD QUARTER MI, SACATON, AZ 85147 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Pinal County, Arizona Environmental Due Diligence
How many EPA-regulated environmental sites are in Pinal County, Arizona?
Public U.S. EPA records track 636 regulated facilities in Pinal County, Arizona (ranking #5 of 36 jurisdictions in AZ). Of those, 8 (1.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 35 (5.5%) have active non-compliance quarters.
Which ZIP codes and cities in Pinal County have the highest regulated facility density?
Within Pinal County, the highest concentrations of EPA-tracked facilities are located in ZIP 85122 (Casa Grande, 89 sites), ZIP 85222 (Casa Grande, 86 sites), ZIP 85132 (Florence, 53 sites), spanning municipal corridors including Casa Grande (217 sites), Coolidge (67 sites), Sacaton (63 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Pinal County?
Across Pinal County, 402 facilities (63.2% 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 Pinal County, AZ?
Geologic indoor air screening places Pinal 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 Pinal County, AZ?
Federal records track 108 Safe Drinking Water (SDWIS) facilities, 286 Clean Water Act NPDES permits, and 11 impaired water dischargers in Pinal County, alongside 5 historical FEMA federal disaster declarations (0 flood/storm events).
Does Pinal County, AZ have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Pinal County indicates a MODERATE 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.