Dupage County, California — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Dupage County, CA?
In Dupage County, California, public U.S. EPA records track 56 regulated facilities (#99 of 136 in California), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 56 Safe Drinking Water (SDWIS) facilities, 0 Clean Water NPDES permits, 55 FEMA Federal Disaster Declarations (13 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Dupage County, CA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Dupage County, CA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Dupage County
ZIP Codes in Dupage County
Top EPA Regulated Facilities in Dupage County, CA
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 • VISTA, CA (ZIP 92081 Sector) | MODERATE (30/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| EL TOREO MARKET #20800-TREATMENT PLANT FREE PREVIEW (LOW RISK) | , VISTA, CA 92081 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| MARIANOS 8537 NAPERVILLE-TREATMENT PLANT FREE PREVIEW (LOW RISK) | , VISTA, CA 92081 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
| JEWEL OSCO 0264-TREATMENT PLANT FREE PREVIEW (LOW RISK) | , VISTA, CA 92081 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
| LA INDIA WEST CHICAGO-TREATMENT PLANT FREE PREVIEW (LOW RISK) | , VISTA, CA 92081 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • VISTA, CA (ZIP 92081 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • VISTA, CA (ZIP 92081 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • VISTA, CA (ZIP 92081 Sector) | LOW (10/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • VISTA, CA (ZIP 92081 Sector) | LOW (10/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • VISTA, CA (ZIP 92081 Sector) | LOW (10/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • VISTA, CA (ZIP 92081 Sector) | LOW (10/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • VISTA, CA (ZIP 92081 Sector) | LOW (9/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Dupage County, California Environmental Due Diligence
How many EPA-regulated environmental sites are in Dupage County, California?
Public U.S. EPA records track 56 regulated facilities in Dupage County, California (ranking #99 of 136 jurisdictions in CA). 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 Dupage County have the highest regulated facility density?
Within Dupage County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Dupage.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Dupage County?
Across Dupage 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 Dupage County, CA?
Geologic indoor air screening places Dupage 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 Dupage County, CA?
Federal records track 56 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water dischargers in Dupage County, alongside 55 historical FEMA federal disaster declarations (13 flood/storm events).
Does Dupage County, CA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Dupage County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.