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 219 regulated facilities (#18 of 36 in Arizona), including 1 (0.5%) High-Risk sites and $300 in federal penalties. Countywide due diligence also covers 9 Safe Drinking Water (SDWIS) facilities, 189 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 05, 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • COOLIDGE, AZ (ZIP 85128 Sector) | MODERATE (44/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MARICOPA, AZ (ZIP 85139 Sector) | MODERATE (39/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SAN MANUEL, AZ (ZIP 85631 Sector) | MODERATE (33/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CASA GRANDE, AZ (ZIP 85193 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MARICOPA, AZ (ZIP 85139 Sector) | MODERATE (32/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MARICOPA, AZ (ZIP 85138 Sector) | MODERATE (32/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • FLORENCE, AZ (ZIP 85232 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • COOLIDGE, AZ (ZIP 85128 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| PR GYPSUM LLC FREE PREVIEW (LOW RISK) | 473 S HWY 77, WINKELMAN, AZ 85192 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DIAMOND DRUM SERV PIMA FREE PREVIEW (LOW RISK) | 130 W. CENTRAL AVE., COOLIDGE, AZ 85128 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| PINION DIRT TO BLACK FREE PREVIEW (LOW RISK) | NO ADDRESS ON FILE, UNKNOWN, AZ 86314 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| ORCHARD ROAD PROJECT FREE PREVIEW (LOW RISK) | ORCHARD RD BETWEEN WETCAMP AND NELSON, BAPCHULE, AZ 85121 | LOW (13/100) | 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 County, Arizona?
Public U.S. EPA records track 219 regulated facilities in Pinal County County, Arizona (ranking #18 of 36 jurisdictions in AZ). Of those, 1 (0.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 9 (4.1%) have active non-compliance quarters.
Which ZIP codes and cities in Pinal County County have the highest regulated facility density?
Within Pinal County County, the highest concentrations of EPA-tracked facilities are located in ZIP 86005 (Unknown, 69 sites), ZIP 85128 (Randolph, 60 sites), ZIP 85138 (Ak Chin, 48 sites), spanning municipal corridors including Maricopa (103 sites), Apache Junction (90 sites), San Tan Valley (22 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Pinal County County?
Across Pinal County County, 2 facilities (0.9% 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 County, AZ?
Geologic indoor air screening places Pinal 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 Pinal County County, AZ?
Federal records track 9 Safe Drinking Water (SDWIS) facilities, 189 Clean Water Act NPDES permits, and 5 impaired water dischargers in Pinal County 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.