Onalaska, Wisconsin — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
Public U.S. EPA records track 142 regulated facilities in Onalaska, Wisconsin (La Crosse County), including 1 High-Risk sites (0.7%) and 2 active violators. In addition to industrial waste, Onalaska properties are screened for Tap Water & Watershed Permits (52 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 3 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Onalaska, WI 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Onalaska, WI Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP Codes in Onalaska, WI
Highest-Scored EPA Regulated Facilities in Onalaska, 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 • ONALASKA, WI (ZIP 54650 Sector) | HIGH (66/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ONALASKA, WI (ZIP 54650 Sector) | MODERATE (40/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ONALASKA, WI (ZIP 54650 Sector) | MODERATE (35/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ONALASKA, WI (ZIP 54650 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ONALASKA, WI (ZIP 54650 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ONALASKA, WI (ZIP 54650 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ONALASKA, WI (ZIP 54650 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ONALASKA, WI (ZIP 54650 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| AMERICAN ASPHALT PLANT #83 FREE PREVIEW (LOW RISK) | PORTABLE, ONALASKA, WI 54650 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| TJ MAXX T0692 FREE PREVIEW (LOW RISK) | 9366 STATE ROAD 16 STE 400, ONALASKA, WI 54650 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| AUTOZONE #4363 FREE PREVIEW (LOW RISK) | 100 THEATER RD, ONALASKA, WI 54650 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MICHAELS STORE #9514 FREE PREVIEW (LOW RISK) | 9386 STATE RD 16, ONALASKA, WI 54650 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Onalaska, Wisconsin Environmental Risk & Radon
How many EPA-regulated facilities are in Onalaska, WI?
U.S. EPA records track 142 regulated facilities in Onalaska, Wisconsin, including 1 high-risk sites (0.7%), 2 active violators (1.4%), and 85 RCRA hazardous waste handlers (59.9%).
Which ZIP codes in Onalaska, WI have the most EPA-tracked sites?
Within Onalaska, regulated facilities are primarily concentrated across ZIP 54650 (143 sites).
How can I check a specific house or commercial property in Onalaska, WI?
Enter the exact street address in Onalaska into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Onalaska, WI and how many EPA water permits exist?
In Onalaska, WI, federal registries track 5 Safe Drinking Water (SDWIS) facilities, 47 Clean Water Act NPDES permits, and 22 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Onalaska, WI?
USDA regional soil screening for Onalaska indicates a LOW shrink-swell foundation signal, and La Crosse County has recorded 3 federal FEMA disaster declarations (3 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.