ZIP 71833 (Dierks, AR) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 71833 in Dierks, Arkansas (Howard County) has 34 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 2 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 71833 are screened across 2 historical Howard County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (28), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 71833 (Dierks, 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 71833 (Dierks, AR) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 71833 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 2 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 71833 (Dierks, 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 • DIERKS, AR (ZIP 71833 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • DIERKS, AR (ZIP 71833 Sector) | MODERATE (37/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • DIERKS, AR (ZIP 71833 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • DIERKS, AR (ZIP 71833 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • DIERKS, AR (ZIP 71833 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| AHTD-BRDG 3602 HWY 4 & SALINE FREE PREVIEW (LOW RISK) | HWY 4 & SALINE RIVER, DIERKS, AR 71833 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| SOUTHWESTERN ELECTRIC POWER COMPANY - UMPIRE TO DIERKS STATION FREE PREVIEW (LOW RISK) | 402 E 4TH ST, DIERKS, AR 71833 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| D & E RAILROAD, LLC CHIP RELOAD FACILITY FREE PREVIEW (LOW RISK) | MILL COMPLEX RD, DIERKS, AR 71833 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DIERKS MILL EXPANSION PROJECT FREE PREVIEW (LOW RISK) | 120 MAIN STREET, DIERKS, AR 71833 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • DIERKS, AR (ZIP 71833 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • DIERKS, AR (ZIP 71833 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • DIERKS, AR (ZIP 71833 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 71833 (Dierks, 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 71833 (Dierks, AR)?
ZIP code 71833 (Dierks, AR) contains 34 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 2 (5.9%) have active compliance violations, and 4 (11.8%) handle RCRA hazardous waste.
How does ZIP 71833 compare to Howard County and Arkansas averages?
In ZIP 71833, 0.0% of regulated sites are rated High Risk, compared to 5.1% across Howard County and 3.1% statewide in Arkansas.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 71833?
Geologic screening places ZIP 71833 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 71833 (Dierks, AR) in a FEMA flood zone and what is the flood disaster history?
Howard County has recorded 2 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 71833 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 71833 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 71833 indicates a LOW shrink-swell risk signal. Within ZIP 71833, federal registries track 1 SDWIS drinking water facilities, 27 Clean Water NPDES permits, and 8 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.