Mchenry County, Illinois — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Mchenry County, IL?
In Mchenry County, Illinois, public U.S. EPA records track 1,667 regulated facilities (#8 of 193 in Illinois), including 19 (1.1%) High-Risk sites and $177,242 in federal penalties. Countywide due diligence also covers 387 Safe Drinking Water (SDWIS) facilities, 293 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).
Mchenry 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📊 Mchenry County, IL Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Mchenry County
ZIP Codes in Mchenry County
Top EPA Regulated Facilities in Mchenry 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 • RINGWOOD, IL (ZIP 60072 Sector) | HIGH (70/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MARENGO, IL (ZIP 60152 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SPRING GROVE, IL (ZIP 60081 Sector) | HIGH (64/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SPRING GROVE, IL (ZIP 60081 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 • HARVARD, IL (ZIP 60033 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 • HUNTLEY, IL (ZIP 60142 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WOODSTOCK, IL (ZIP 60098 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • JOHNSBURG, IL (ZIP 60051 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| ALPHA SWISS INDUSTRIES FREE PREVIEW (LOW RISK) | 700 TEK DR, CRYSTAL LAKE, IL 60014 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CVS PHARMACY #16924 FREE PREVIEW (LOW RISK) | 750 S RANDALL RD STE A, ALGONQUIN, IL 60102 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| LOWE'S OF LAKE IN THE HILLS, IL #1739 FREE PREVIEW (LOW RISK) | 300 N RANDALL RD, LAKE IN THE HILLS, IL 60156 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CONTRACT APPLICATIONS INC FREE PREVIEW (LOW RISK) | 5900 AMI DR, RICHMOND, IL 60071 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Mchenry County, Illinois Environmental Due Diligence
How many EPA-regulated environmental sites are in Mchenry County, Illinois?
Public U.S. EPA records track 1,667 regulated facilities in Mchenry County, Illinois (ranking #8 of 193 jurisdictions in IL). Of those, 19 (1.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 55 (3.3%) have active non-compliance quarters.
Which ZIP codes and cities in Mchenry County have the highest regulated facility density?
Within Mchenry County, the highest concentrations of EPA-tracked facilities are located in ZIP 60014 (Crystal Lake, 321 sites), ZIP 60098 (Woodstock, 259 sites), ZIP 60050 (Mchenry, 248 sites), spanning municipal corridors including Crystal Lake (359 sites), Woodstock (257 sites), Mchenry (242 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Mchenry County?
Across Mchenry County, 859 facilities (51.5% 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 Mchenry County, IL?
Geologic indoor air screening places Mchenry 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 Mchenry County, IL?
Federal records track 387 Safe Drinking Water (SDWIS) facilities, 293 Clean Water Act NPDES permits, and 74 impaired water dischargers in Mchenry County, alongside 5 historical FEMA federal disaster declarations (5 flood/storm events).
Does Mchenry County, IL have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Mchenry County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.