Johnson County, Arkansas — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Johnson County, AR?
In Johnson County, Arkansas, public U.S. EPA records track 187 regulated facilities (#25 of 98 in Arkansas), including 3 (1.6%) High-Risk sites and $12,300 in federal penalties. Countywide due diligence also covers 15 Safe Drinking Water (SDWIS) facilities, 94 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Johnson 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📊 Johnson County, AR Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Johnson County
Top EPA Regulated Facilities in Johnson 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CLARKSVILLE, AR (ZIP 72830 Sector) | MODERATE (54/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • LAMAR, AR (ZIP 72846 Sector) | MODERATE (47/100) | Violation Identified (5 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • COAL HILL, AR (ZIP 72832 Sector) | MODERATE (35/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CLARKSVILLE, AR (ZIP 72830 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • KNOXVILLE, AR (ZIP 72845 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CLARKSVILLE, AR (ZIP 72830 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CLARKSVILLE, AR (ZIP 72830 Sector) | MODERATE (31/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CLARKSVILLE, AR (ZIP 72830 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| CECO CONCRETE CONSTRUCTION LLC FREE PREVIEW (LOW RISK) | 502 COUNTY RD 1671, KNOXVILLE, AR 72845 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| HANESBRANDS, INC. - CLARKSVILLE FREE PREVIEW (LOW RISK) | CLINE & CLARK RD, CLARKSVILLE, AR 72830 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| BEAN TOOL DIE, INC. FREE PREVIEW (LOW RISK) | 1107 E. MAIN STREET, CLARKSVILLE, AR 72830 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| BALDOR ELECTRIC FREE PREVIEW (LOW RISK) | #1 R.S. BOREHAM DRIVE, CLARKSVILLE, AR 72830 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Johnson County, Arkansas Environmental Due Diligence
How many EPA-regulated environmental sites are in Johnson County, Arkansas?
Public U.S. EPA records track 187 regulated facilities in Johnson County, Arkansas (ranking #25 of 98 jurisdictions in AR). Of those, 3 (1.6%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 5 (2.7%) have active non-compliance quarters.
Which ZIP codes and cities in Johnson County have the highest regulated facility density?
Within Johnson County, the highest concentrations of EPA-tracked facilities are located in ZIP 72830 (Clarksville, 118 sites), ZIP 72845 (Knoxville, 25 sites), ZIP 72846 (Lamar, 25 sites), spanning municipal corridors including Clarksville (120 sites), Lamar (26 sites), Knoxville (24 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Johnson County?
Across Johnson County, 52 facilities (27.8% 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 Johnson County, AR?
Geologic indoor air screening places Johnson 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 Johnson County, AR?
Federal records track 15 Safe Drinking Water (SDWIS) facilities, 94 Clean Water Act NPDES permits, and 0 impaired water dischargers in Johnson County, alongside 2 historical FEMA federal disaster declarations (1 flood/storm events).
Does Johnson County, AR have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Johnson County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.