Pennington County, Minnesota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Pennington County, MN?
In Pennington County, Minnesota, public U.S. EPA records track 185 regulated facilities (#64 of 115 in Minnesota), including 1 (0.5%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 22 Safe Drinking Water (SDWIS) facilities, 10 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).
Pennington 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📊 Pennington County, MN Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Pennington County
ZIP Codes in Pennington County
Top EPA Regulated Facilities in Pennington 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • THIEF RIVER FALLS, MN (ZIP 56701 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SAINT HILAIRE, MN (ZIP 56754 Sector) | MODERATE (35/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • THIEF RIVER FALLS, MN (ZIP 56701 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • THIEF RIVER FALLS, MN (ZIP 56701 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • THIEF RIVER FALLS, MN (ZIP 56701 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • GOODRIDGE, MN (ZIP 56725 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 • ROCKSBURY TOWNSHIP, MN (ZIP 56701 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • THIEF RIVER FALLS, MN (ZIP 56701 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| PAMIDA STORE 145 FREE PREVIEW (LOW RISK) | HIGHWAY 59 SOUTH, THIEF RIVER FALLS, MN 56701 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| KWICK STRIP II INC FREE PREVIEW (LOW RISK) | 712 DAVIS AVE N, THIEF RIVER FALLS, MN 56701 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| FALLS RADIATOR SERVICE INC FREE PREVIEW (LOW RISK) | 17249 US HIGHWAY 59 NE, THIEF RIVER FALLS, MN 56701 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| VALLEY ANIMAL HOSPITAL FREE PREVIEW (LOW RISK) | 1906 GREENWOOD ST E, THIEF RIVER FALLS, MN 56701 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Pennington County, Minnesota Environmental Due Diligence
How many EPA-regulated environmental sites are in Pennington County, Minnesota?
Public U.S. EPA records track 185 regulated facilities in Pennington County, Minnesota (ranking #64 of 115 jurisdictions in MN). Of those, 1 (0.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 4 (2.2%) have active non-compliance quarters.
Which ZIP codes and cities in Pennington County have the highest regulated facility density?
Within Pennington County, the highest concentrations of EPA-tracked facilities are located in ZIP 56701 (Thief River Falls, 163 sites), ZIP 56754 (St. Hilaire, 9 sites), ZIP 56725 (Goodridge, 6 sites), spanning municipal corridors including Thief River Falls (164 sites), St. Hilaire (6 sites), Goodridge (6 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Pennington County?
Across Pennington County, 148 facilities (80.0% 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 Pennington County, MN?
Geologic indoor air screening places Pennington 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 Pennington County, MN?
Federal records track 22 Safe Drinking Water (SDWIS) facilities, 10 Clean Water Act NPDES permits, and 3 impaired water dischargers in Pennington County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Pennington County, MN have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Pennington 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.