Rock County, Wisconsin — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Rock County, Wisconsin, public U.S. EPA records track 1,068 regulated facilities (#9 of 94 in Wisconsin), including 7 (0.7%) High-Risk sites and $382,712 in federal penalties. Countywide due diligence also covers 192 Safe Drinking Water (SDWIS) facilities, 221 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).
Rock County, WI 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Rock County, WI Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Rock County
ZIP Codes in Rock County
Top EPA Regulated Facilities in Rock County, WI
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 • JANESVILLE, WI (ZIP 53545 Sector) | HIGH (85/100) | Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CLINTON, WI (ZIP 53525 Sector) | HIGH (68/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • EDGERTON, WI (ZIP 53534 Sector) | HIGH (67/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • JANESVILLE, WI (ZIP 53548 Sector) | HIGH (64/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • BELOIT, WI (ZIP 53511 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • EVANSVILLE, WI (ZIP 53536 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • EVANSVILLE, WI (ZIP 53536 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • BELOIT, WI (ZIP 53511 Sector) | MODERATE (45/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| KVAPIL AUTO (FORMER) FREE PREVIEW (LOW RISK) | 1508 CENTER AVE, JANESVILLE, WI 53546 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BUD WEISER MOTORS INC FREE PREVIEW (LOW RISK) | 2676 MILWAUKEE RD, BELOIT, WI 53511 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| NATIONAL TIRE & BATTERY #8877 (FORMER) FREE PREVIEW (LOW RISK) | 2746 MILWAUKEE RD, BELOIT, WI 53511 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| WALGREENS CO #11236 FREE PREVIEW (LOW RISK) | 2519 KETTERING ST, JANESVILLE, WI 53546 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Rock County, Wisconsin Environmental Due Diligence
How many EPA-regulated environmental sites are in Rock County, Wisconsin?
Public U.S. EPA records track 1,068 regulated facilities in Rock County, Wisconsin (ranking #9 of 94 jurisdictions in WI). Of those, 7 (0.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 29 (2.7%) have active non-compliance quarters.
Which ZIP codes and cities in Rock County have the highest regulated facility density?
Within Rock County, the highest concentrations of EPA-tracked facilities are located in ZIP 53511 (Beloit, 241 sites), ZIP 53545 (Janesville, 229 sites), ZIP 53546 (Janesville, 141 sites), spanning municipal corridors including Beloit (247 sites), Edgerton (62 sites), Evansville (45 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Rock County?
Across Rock County, 651 facilities (61.0% 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 Rock County, WI?
Geologic indoor air screening places Rock 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 Rock County, WI?
Federal records track 192 Safe Drinking Water (SDWIS) facilities, 221 Clean Water Act NPDES permits, and 92 impaired water dischargers in Rock County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Rock County, WI have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Rock County indicates a MODERATE 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.