Mc Henry County, Illinois — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Mc Henry County, Illinois, public U.S. EPA records track 137 regulated facilities (#91 of 193 in Illinois), including 1 (0.7%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 15 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).
Mc Henry 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📊 Mc Henry County, IL Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Mc Henry County
ZIP Codes in Mc Henry County
Top EPA Regulated Facilities in Mc Henry 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • MARENGO, IL (ZIP 60152 Sector) | MODERATE (49/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WOODSTOCK, IL (ZIP 60098 Sector) | MODERATE (41/100) | Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CRYSTAL LAKE, IL (ZIP 60014 Sector) | MODERATE (38/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • LAKE IN THE HILLS, IL (ZIP 60156 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WOODSTOCK, IL (ZIP 60098 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MCHENRY, IL (ZIP 60050 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • HEBRON, IL (ZIP 60034 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HARVARD, IL (ZIP 60033 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| JOHN STERLING CORPORATION FREE PREVIEW (LOW RISK) | 11600 STERLING PARKWAY, RICHMOND, IL 60071 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| UNILOCK CHICAGO INC FREE PREVIEW (LOW RISK) | 8302 S ROUTE 23, MARENGO, IL 60152 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| MOTOROLA FREE PREVIEW (LOW RISK) | 899 W. DIGGINS STREET, HARVARD, IL 60033 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| HFK / PRECISION METAL STAMPING FREE PREVIEW (LOW RISK) | 1150 RIDGEVIEW DR., MCHENRY, IL 60050 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Mc Henry County, Illinois Environmental Due Diligence
How many EPA-regulated environmental sites are in Mc Henry County, Illinois?
Public U.S. EPA records track 137 regulated facilities in Mc Henry County, Illinois (ranking #91 of 193 jurisdictions in IL). Of those, 1 (0.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 2 (1.5%) have active non-compliance quarters.
Which ZIP codes and cities in Mc Henry County have the highest regulated facility density?
Within Mc Henry County, the highest concentrations of EPA-tracked facilities are located in ZIP 60142 (Huntley, 140 sites), ZIP 60081 (Spring Grove, 60 sites), spanning municipal corridors including Spring Grove (55 sites), Mchenry Twp. (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Mc Henry County?
Across Mc Henry County, 43 facilities (31.4% 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 Mc Henry County, IL?
Geologic indoor air screening places Mc Henry 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 Mc Henry County, IL?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 15 Clean Water Act NPDES permits, and 4 impaired water dischargers in Mc Henry County, alongside 5 historical FEMA federal disaster declarations (5 flood/storm events).
Does Mc Henry County, IL have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Mc Henry 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.