Santa Clara County, Arizona — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Santa Clara County, AZ?
In Santa Clara County, Arizona, public U.S. EPA records track 3 regulated facilities (#60 of 60 in Arizona), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 3 Clean Water NPDES permits, 22 FEMA Federal Disaster Declarations (6 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Santa Clara 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📊 Santa Clara County, AZ Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Santa Clara County
ZIP Codes in Santa Clara County
Top EPA Regulated Facilities in Santa Clara 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 |
|---|---|---|---|---|
| GEORGIA PACIFIC GYPSUM CORP FREE PREVIEW (LOW RISK) | NO ADDRESS ON FILE, UNKNOWN, AZ 95054 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| GMJ AIR SHUTTLE, LLC FREE PREVIEW (LOW RISK) | 6305 S SOSSAMAN RD, MESA, AZ 85212 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| NORFOLK RD. - SR 61 FREE PREVIEW (LOW RISK) | NO ADDRESS ON FILE, UNKNOWN, AZ 85040 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Santa Clara County, Arizona Environmental Due Diligence
How many EPA-regulated environmental sites are in Santa Clara County County, Arizona?
Public U.S. EPA records track 3 regulated facilities in Santa Clara County County, Arizona (ranking #60 of 60 jurisdictions in AZ). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Santa Clara County County have the highest regulated facility density?
Within Santa Clara County County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Santa Clara County.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Santa Clara County County?
Across Santa Clara County County, 0 facilities (0.0% 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 Santa Clara County County, AZ?
Geologic indoor air screening places Santa Clara County County in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Counties in EPA Radon Zone 3 have a predicted average indoor radon level below 2.0 pCi/L, indicating lower regional geologic radon risk.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Santa Clara County County, AZ?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 3 Clean Water Act NPDES permits, and 0 impaired water dischargers in Santa Clara County County, alongside 22 historical FEMA federal disaster declarations (6 flood/storm events).
Does Santa Clara County, AZ have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Santa Clara County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.