Winnebago County, Illinois — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Winnebago County, IL?
In Winnebago County, Illinois, public U.S. EPA records track 2,215 regulated facilities (#6 of 193 in Illinois), including 30 (1.4%) High-Risk sites and $6,781,940 in federal penalties. Countywide due diligence also covers 264 Safe Drinking Water (SDWIS) facilities, 337 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Winnebago County, IL 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Winnebago County, IL Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Winnebago County
ZIP Codes in Winnebago County
Top EPA Regulated Facilities in Winnebago County, IL
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 • ROCKFORD, IL (ZIP 61104 Sector) | HIGH (70/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PECATONICA, IL (ZIP 61063 Sector) | HIGH (66/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ROCKFORD, IL (ZIP 61109 Sector) | HIGH (64/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ROCKFORD, IL (ZIP 61109 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • LOVES PARK, IL (ZIP 61111 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CHERRY VALLEY, IL (ZIP 61016 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ROCKFORD, IL (ZIP 61104 Sector) | MODERATE (60/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MACHESNEY PARK, IL (ZIP 61115 Sector) | MODERATE (58/100) | Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| ROCKFORD AUTOMATION INC FREE PREVIEW (LOW RISK) | 1351 B WINDSOR RD, ROCKFORD, IL 61111 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MCKESSON CHEMICAL CO FREE PREVIEW (LOW RISK) | 2639 SEWELL ST, ROCKFORD, IL 61109 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| IDOT BRIDGE ON I39 FREE PREVIEW (LOW RISK) | 101-0140, ROCKFORD, IL 61109 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| SEVERSON PROPERTIES DBA PEARL LAKE RV FREE PREVIEW (LOW RISK) | 1206 DEARBORN AVE, SOUTH BELOIT, IL 61080 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Winnebago County, Illinois Environmental Due Diligence
How many EPA-regulated environmental sites are in Winnebago County, Illinois?
Public U.S. EPA records track 2,215 regulated facilities in Winnebago County, Illinois (ranking #6 of 193 jurisdictions in IL). Of those, 30 (1.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 106 (4.8%) have active non-compliance quarters.
Which ZIP codes and cities in Winnebago County have the highest regulated facility density?
Within Winnebago County, the highest concentrations of EPA-tracked facilities are located in ZIP 61109 (Rockford, 439 sites), ZIP 61104 (Rockford, 290 sites), ZIP 61111 (Rockford, 284 sites), spanning municipal corridors including Rockford (1,555 sites), Loves Park (236 sites), South Beloit (104 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Winnebago County?
Across Winnebago County, 1,345 facilities (60.7% 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 Winnebago County, IL?
Geologic indoor air screening places Winnebago County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Winnebago County, IL?
Federal records track 264 Safe Drinking Water (SDWIS) facilities, 337 Clean Water Act NPDES permits, and 143 impaired water dischargers in Winnebago County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Winnebago County, IL have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Winnebago County indicates a MODERATE 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.