De Kalb County, Illinois — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in De Kalb County, IL?
In De Kalb County, Illinois, public U.S. EPA records track 368 regulated facilities (#40 of 193 in Illinois), including 4 (1.1%) High-Risk sites and $5,375,000 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 43 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (5 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
De Kalb 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📊 De Kalb County, IL Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in De Kalb County
ZIP Codes in De Kalb County
Top EPA Regulated Facilities in De Kalb 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 • KINGSTON, IL (ZIP 60145 Sector) | HIGH (66/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • DEKALB, IL (ZIP 60115 Sector) | MODERATE (61/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SANDWICH, IL (ZIP 60548 Sector) | MODERATE (48/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • DEKALB, IL (ZIP 60115 Sector) | MODERATE (45/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • DEKALB, IL (ZIP 60115 Sector) | MODERATE (44/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • DEKALB, IL (ZIP 60115 Sector) | MODERATE (44/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GENOA, IL (ZIP 60135 Sector) | MODERATE (43/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • DEKALB, IL (ZIP 60115 Sector) | MODERATE (41/100) | Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| DEKALB COUNTY CENTRAL PLT FREE PREVIEW (LOW RISK) | 110 E SYCAMORE ST, SYCAMORE, IL 60178 | LOW (23/100) | Unknown (0 qtrs NC) | $0 |
| TURNER CO FREE PREVIEW (LOW RISK) | 821 PARK AVE., SYCAMORE, IL 60178 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| SYCAMORE CITY OF FREE PREVIEW (LOW RISK) | 535 DEKALB AVE, SYCAMORE, IL 60178 | LOW (19/100) | Unknown (0 qtrs NC) | $0 |
| DESIGNED STAIRS INC FREE PREVIEW (LOW RISK) | 1305 E SIXTH ST, SANDWICH, IL 60548 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — De Kalb County, Illinois Environmental Due Diligence
How many EPA-regulated environmental sites are in De Kalb County, Illinois?
Public U.S. EPA records track 368 regulated facilities in De Kalb County, Illinois (ranking #40 of 193 jurisdictions in IL). Of those, 4 (1.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 12 (3.3%) have active non-compliance quarters.
Which ZIP codes and cities in De Kalb County have the highest regulated facility density?
Within De Kalb County, the highest concentrations of EPA-tracked facilities are located in ZIP 60548 (Sandwich, 88 sites), ZIP 60135 (Genoa, 50 sites), ZIP 60146 (Kirkland, 32 sites), spanning municipal corridors including Sandwich (87 sites), Genoa (48 sites), Kirkland (32 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in De Kalb County?
Across De Kalb County, 286 facilities (77.7% 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 De Kalb County, IL?
Geologic indoor air screening places De Kalb 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 De Kalb County, IL?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 43 Clean Water Act NPDES permits, and 18 impaired water dischargers in De Kalb County, alongside 5 historical FEMA federal disaster declarations (5 flood/storm events).
Does De Kalb County, IL have expansive clay soil or foundation risk?
USDA regional soil engineering screening for De Kalb 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.