Winona County, Minnesota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Winona County, MN?
In Winona County, Minnesota, public U.S. EPA records track 617 regulated facilities (#18 of 115 in Minnesota), including 5 (0.8%) High-Risk sites and $5,438,631 in federal penalties. Countywide due diligence also covers 111 Safe Drinking Water (SDWIS) facilities, 37 Clean Water NPDES permits, 7 FEMA Federal Disaster Declarations (5 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Winona County, MN 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Winona County, MN Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Winona County
Top EPA Regulated Facilities in Winona County, MN
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 • WINONA, MN (ZIP 55987 Sector) | MODERATE (55/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • LEWISTON, MN (ZIP 55952 Sector) | MODERATE (53/100) | Violation Identified (8 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WINONA, MN (ZIP 55987 Sector) | MODERATE (42/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WINONA, MN (ZIP 55987 Sector) | MODERATE (38/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WINONA, MN (ZIP 55987 Sector) | MODERATE (35/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • STOCKTON, MN (ZIP 55988 Sector) | MODERATE (34/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • , MN (ZIP Sector) | MODERATE (33/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WINONA, MN (ZIP 55987 Sector) | MODERATE (33/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| BAYS OF THUNDER INC FREE PREVIEW (LOW RISK) | 360 RIVER ST, DAKOTA, MN 55925 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| PETER GRULKOWSKI STATION FREE PREVIEW (LOW RISK) | 173 HIGHWAY 14, LEWISTON, MN 55952 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| WINONA YACHT CLUB INC FREE PREVIEW (LOW RISK) | 24 LAIRD ST, WINONA, MN 55987 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CROWN AUTO SERVICE CENTER FREE PREVIEW (LOW RISK) | 5569 W 6TH ST, WINONA, MN 55987 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Winona County, Minnesota Environmental Due Diligence
How many EPA-regulated environmental sites are in Winona County, Minnesota?
Public U.S. EPA records track 617 regulated facilities in Winona County, Minnesota (ranking #18 of 115 jurisdictions in MN). Of those, 5 (0.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 8 (1.3%) have active non-compliance quarters.
Which ZIP codes and cities in Winona County have the highest regulated facility density?
Within Winona County, the highest concentrations of EPA-tracked facilities are located in ZIP 55987 (Winona, 387 sites), ZIP 55972 (St. Charles, 51 sites), ZIP 55952 (Lewiston, 31 sites), spanning municipal corridors including Winona (370 sites), Lewiston (31 sites), Saint Charles (29 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Winona County?
Across Winona County, 457 facilities (74.1% 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 Winona County, MN?
Geologic indoor air screening places Winona 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 Winona County, MN?
Federal records track 111 Safe Drinking Water (SDWIS) facilities, 37 Clean Water Act NPDES permits, and 14 impaired water dischargers in Winona County, alongside 7 historical FEMA federal disaster declarations (5 flood/storm events).
Does Winona County, MN have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Winona County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.