Union County, Arkansas — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Union County, AR?
In Union County, Arkansas, public U.S. EPA records track 447 regulated facilities (#9 of 98 in Arkansas), including 47 (10.5%) High-Risk sites and $1,409,108 in federal penalties. Countywide due diligence also covers 35 Safe Drinking Water (SDWIS) facilities, 267 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Union County, AR 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Union County, AR Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Union County
Top EPA Regulated Facilities in Union County, AR
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 • EL DORADO, AR (ZIP 71731 Sector) | HIGH (94/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • EL DORADO, AR (ZIP 71730 Sector) | HIGH (88/100) | Violation Identified (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • EL DORADO, AR (ZIP 71730 Sector) | HIGH (83/100) | Violation Identified (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • EL DORADO, AR (ZIP 71730 Sector) | HIGH (81/100) | Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • EL DORADO, AR (ZIP 71730 Sector) | HIGH (78/100) | Violation Identified (8 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • EL DORADO, AR (ZIP 00000 Sector) | HIGH (71/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • EL DORADO, AR (ZIP 71730 Sector) | HIGH (65/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • EL DORADO, AR (ZIP 71730 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| WILTRAN LOGISTICS, LLC FREE PREVIEW (LOW RISK) | 715 OUACHITA RD 72, SMACKOVER, AR 71762 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| ENERGY TRANSPORT CO FREE PREVIEW (LOW RISK) | AMERICAN RD 1 BLK OFF H167, EL DORADO, AR 71730 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| UNIVERSAL INVESTMENTS INC FREE PREVIEW (LOW RISK) | AMERICAN ROAD, EL DORADO, AR 71730 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| H K THATCHER LOCK AND DAM FREE PREVIEW (LOW RISK) | , , AR | LOW (12/100) | Inactive (0 qtrs NC) | $0 |
Frequently Asked Questions — Union County, Arkansas Environmental Due Diligence
How many EPA-regulated environmental sites are in Union County, Arkansas?
Public U.S. EPA records track 447 regulated facilities in Union County, Arkansas (ranking #9 of 98 jurisdictions in AR). Of those, 47 (10.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 55 (12.3%) have active non-compliance quarters.
Which ZIP codes and cities in Union County have the highest regulated facility density?
Within Union County, the highest concentrations of EPA-tracked facilities are located in ZIP 71730 (El Dorado, 397 sites), ZIP 71762 (Smackover, 49 sites), ZIP 71759 (Norphlet, 19 sites), spanning municipal corridors including Strong (16 sites), Calion (16 sites), Junction City (14 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Union County?
Across Union County, 149 facilities (33.3% 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 Union County, AR?
Geologic indoor air screening places Union County in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Counties in EPA Radon Zone 3 have a predicted average indoor radon level below 2.0 pCi/L, indicating lower regional geologic radon risk.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Union County, AR?
Federal records track 35 Safe Drinking Water (SDWIS) facilities, 267 Clean Water Act NPDES permits, and 37 impaired water dischargers in Union County, alongside 3 historical FEMA federal disaster declarations (1 flood/storm events).
Does Union County, AR have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Union 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.