ZIP 71731 (El Dorado, AR) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 71731 in El Dorado, Arkansas (Portable Source County) has 9 EPA-tracked facilities, including 1 High-Risk sites (11.1%), 1 active violators, and $117,880 in federal penalties. Beyond industrial pollution, properties in ZIP 71731 are screened across 11 historical Portable Source County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (5), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 71731 (El Dorado, AR) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 71731 (El Dorado, AR) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 71731 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 71731 (El Dorado, 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 Score (0–100) | 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 Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • EL DORADO, AR (ZIP 71731 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| RYDER TRUCK RENTAL-EL DORADO FREE PREVIEW (LOW RISK) | HWY 15N 1M OFF 167, EL DORADO, AR 71731 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| SMACKOVER DRILLING CO., INC. - EZZELL 25-33 TANK BATTERY FREE PREVIEW (LOW RISK) | OFF OLD REED PLACE RD, EL DORADO, AR 71731 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| LION OIL CO-CAMU #2 FREE PREVIEW (LOW RISK) | HAYNESVILLE HWY &, EL DORADO, AR 71731 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| BRINE PIPELINE REPLACEMENT FREE PREVIEW (LOW RISK) | 5821 SHULER ROAD, MARYSVILLE, AR 71731 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • EL DORADO, AR (ZIP 71731 Sector) | LOW (10/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 71731 (El Dorado, AR) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 71731 (El Dorado, AR)?
ZIP code 71731 (El Dorado, AR) contains 9 EPA-tracked facilities, of which 1 (11.1%) are classified in the High-Risk tier, 1 (11.1%) have active compliance violations, and 2 (22.2%) handle RCRA hazardous waste.
How does ZIP 71731 compare to Portable Source County and Arkansas averages?
In ZIP 71731, 11.1% of regulated sites are rated High Risk, compared to 1.0% across Portable Source County and 3.1% statewide in Arkansas.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 71731?
Geologic screening places ZIP 71731 in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 71731 (El Dorado, AR) in a FEMA flood zone and what is the flood disaster history?
Portable Source County has recorded 11 historical FEMA federal disaster declarations (7 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 71731 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 71731 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 71731 indicates a LOW shrink-swell risk signal. Within ZIP 71731, federal registries track 1 SDWIS drinking water facilities, 4 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.