Sequoyah County, Oklahoma — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Sequoyah County, OK?
In Sequoyah County, Oklahoma, public U.S. EPA records track 37 regulated facilities (#128 of 154 in Oklahoma), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 0 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Sequoyah County, OK 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Sequoyah County, OK Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Sequoyah County
ZIP Codes in Sequoyah County
Top EPA Regulated Facilities in Sequoyah County, OK
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 • SALLISAW, OK (ZIP 74955 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MULDROW, OK (ZIP 74948 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GANS, OK (ZIP 74936 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MULDROW, OK (ZIP 74948 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| UNISITE LLC / 92052 REESE OK201 01 FREE PREVIEW (LOW RISK) | 127 S SHILOH RD, SALLISAW, OK 74955 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| AVIAGEN / AVIAGEN SALLISAW HATCHERY FREE PREVIEW (LOW RISK) | 0.47 MI SE OF I 40W/CEDAR ST, SALLISAW, OK 74955 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / MARBLE CITY 11671202 FREE PREVIEW (LOW RISK) | 96730 S 4690 RD, SALLISAW, OK 74955 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| VERIZON WIRELESS / GANS FREE PREVIEW (LOW RISK) | 111030 S 4680 RD, GANS, OK 74934 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SALLISAW, OK (ZIP 74955 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ROLAND, OK (ZIP 74954 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GORE, OK (ZIP 74435 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GANS, OK (ZIP 74936 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Sequoyah County, Oklahoma Environmental Due Diligence
How many EPA-regulated environmental sites are in Sequoyah County County, Oklahoma?
Public U.S. EPA records track 37 regulated facilities in Sequoyah County County, Oklahoma (ranking #128 of 154 jurisdictions in OK). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Sequoyah County County have the highest regulated facility density?
Within Sequoyah County County, the highest concentrations of EPA-tracked facilities are located in ZIP 74945 (Marble City, 4 sites), ZIP 74934 (Gans, 1 sites), spanning municipal corridors including Marble City (5 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Sequoyah County County?
Across Sequoyah County County, 0 facilities (0.0% 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 Sequoyah County County, OK?
Geologic indoor air screening places Sequoyah County 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 Sequoyah County County, OK?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water dischargers in Sequoyah County County, alongside 2 historical FEMA federal disaster declarations (0 flood/storm events).
Does Sequoyah County, OK have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Sequoyah County indicates a LOW 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.