Santa Cruz County, Arizona — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Santa Cruz County, AZ?
In Santa Cruz County, Arizona, public U.S. EPA records track 168 regulated facilities (#20 of 36 in Arizona), including 3 (1.8%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 41 Safe Drinking Water (SDWIS) facilities, 26 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).
Santa Cruz 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 Cruz County, AZ Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Santa Cruz County
ZIP Codes in Santa Cruz County
Top EPA Regulated Facilities in Santa Cruz 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 • RIO RICO, AZ (ZIP 85648 Sector) | HIGH (71/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SONOITA, AZ (ZIP 85637 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • RIO RICO, AZ (ZIP 85648 Sector) | MODERATE (48/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • RIO RICO, AZ (ZIP 85648 Sector) | MODERATE (42/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • TUMACACORI, AZ (ZIP 85640 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • NOGALES, AZ (ZIP 85621 Sector) | MODERATE (34/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • AMADO, AZ (ZIP 85645 Sector) | MODERATE (31/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • NOGALES, AZ (ZIP 85621 Sector) | MODERATE (31/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| CHAMBERLAIN GROUP INC THE FREE PREVIEW (LOW RISK) | 3975 FAIRWAY DR, NOGALES, AZ 85621 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WALGREEN #7623 FREE PREVIEW (LOW RISK) | 1959 N GRAND AVE, NOGALES, AZ 85621 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ITT CANNON DIV FREE PREVIEW (LOW RISK) | 1319 INDUSTRIAL PARK DR, NOGALES, AZ 85621 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| NOGALES HIGH SCHOOL FREE PREVIEW (LOW RISK) | 1905 N APACHE BLVD, NOGALES, AZ 85621 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Santa Cruz County, Arizona Environmental Due Diligence
How many EPA-regulated environmental sites are in Santa Cruz County, Arizona?
Public U.S. EPA records track 168 regulated facilities in Santa Cruz County, Arizona (ranking #20 of 36 jurisdictions in AZ). Of those, 3 (1.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 12 (7.1%) have active non-compliance quarters.
Which ZIP codes and cities in Santa Cruz County have the highest regulated facility density?
Within Santa Cruz County, the highest concentrations of EPA-tracked facilities are located in ZIP 85621 (Nogales, 98 sites), ZIP 85637 (Sonoita, 10 sites), ZIP 85640 (Alto, 6 sites), spanning municipal corridors including Nogales (103 sites), Sonoita (10 sites), Tumacacori (5 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Santa Cruz County?
Across Santa Cruz County, 88 facilities (52.4% 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 Cruz County, AZ?
Geologic indoor air screening places Santa Cruz 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 Santa Cruz County, AZ?
Federal records track 41 Safe Drinking Water (SDWIS) facilities, 26 Clean Water Act NPDES permits, and 11 impaired water dischargers in Santa Cruz County, alongside 22 historical FEMA federal disaster declarations (6 flood/storm events).
Does Santa Cruz County, AZ have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Santa Cruz 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.