Polk County, North Carolina — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Polk County, NC?
In Polk County, North Carolina, public U.S. EPA records track 102 regulated facilities (#114 of 195 in North Carolina), including 5 (4.9%) High-Risk sites and $8,219 in federal penalties. Countywide due diligence also covers 53 Safe Drinking Water (SDWIS) facilities, 98 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Polk County, NC 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Polk County, NC Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Polk County
ZIP Codes in Polk County
Top EPA Regulated Facilities in Polk County, NC
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 • TRYON, NC (ZIP 28782 Sector) | MODERATE (53/100) | Violation Identified (10 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SALUDA, NC (ZIP 28773 Sector) | MODERATE (49/100) | Violation Identified (7 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MILL SPRING, NC (ZIP 28756 Sector) | MODERATE (42/100) | Violation Identified (4 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MILL SPRING, NC (ZIP 28756 Sector) | MODERATE (39/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • COLUMBUS, NC (ZIP 28722 Sector) | MODERATE (39/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • COLUMBUS, NC (ZIP 28722 Sector) | MODERATE (38/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • COLUMBUS, NC (ZIP 28722 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • COLUMBUS, NC (ZIP Sector) | MODERATE (32/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| TIMKENSTEEL CORP - TRYON PEAK FREE PREVIEW (LOW RISK) | 205 INDUSTRIAL PARK DR, COLUMBUS, NC 28722 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| GROVER INDUSTRIES, INC. - TRYON PLANT ** INACTIVE ** FREE PREVIEW (LOW RISK) | 65 CLARENCE RHODES ROAD, LYNN, NC 28750 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| TANKER ACCIDENT I 26 POLK COUNTY FREE PREVIEW (LOW RISK) | I 26 MM 61, COLUMBUS, NC 28722 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BLACKWELL'S USED AUTO PARTS FREE PREVIEW (LOW RISK) | 1078 FLOYD BLACKWELL ROAD, TRYON, NC 28782 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Polk County, North Carolina Environmental Due Diligence
How many EPA-regulated environmental sites are in Polk County, North Carolina?
Public U.S. EPA records track 102 regulated facilities in Polk County, North Carolina (ranking #114 of 195 jurisdictions in NC). Of those, 5 (4.9%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 11 (10.8%) have active non-compliance quarters.
Which ZIP codes and cities in Polk County have the highest regulated facility density?
Within Polk County, the highest concentrations of EPA-tracked facilities are located in ZIP 28114 (Mooresboro, 28 sites), ZIP 28750 (Lynn, 1 sites), spanning municipal corridors including Mooresboro (23 sites), Lynn (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Polk County?
Across Polk County, 24 facilities (23.5% 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 Polk County, NC?
Geologic indoor air screening places Polk 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 Polk County, NC?
Federal records track 53 Safe Drinking Water (SDWIS) facilities, 98 Clean Water Act NPDES permits, and 0 impaired water dischargers in Polk County, alongside 5 historical FEMA federal disaster declarations (3 flood/storm events).
Does Polk County, NC have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Polk County indicates a HIGH 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.