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Marshall County, Oklahoma — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Marshall County, OK?

In Marshall County, Oklahoma, public U.S. EPA records track 155 regulated facilities (#66 of 154 in Oklahoma), including 4 (2.6%) High-Risk sites and $55,224 in federal penalties. Countywide due diligence also covers 18 Safe Drinking Water (SDWIS) facilities, 11 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).

Total EPA Sites (#66/154)
155
High-Risk (2.6% vs 1.5% State)
4
Active Violators (3.2%)
5
Drinking & Clean Water
29
Federal Penalties
$55,224

Marshall 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
🌊 Flood Zone & FEMA Disaster History
2 County FEMA Declarations (0 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: HIGH • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
18 SDWIS Systems • 11 NPDES Permits
🔒 3 Impaired Water (303d) & 10 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 3 — Low Potential (< 2.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Marshall County, OK Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 18 (11.6%)
Clean Water (NPDES) & Drinking Water (SDWIS) 29 (18.7%)
Active EPA Non-Compliance Dockets 5 (3.2%)
High-Risk Enforcement Facilities 4 (2.6%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (49.0/100)
🌊 Flood Exposure 3/10 • Low Hazard
🔥 Wildfire Hazard 3/10 • Low Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 1/10 • Very Low Hazard
3. County vs. State & National Benchmark
Marshall County High-Risk % 2.6%
Oklahoma (OK) Statewide Avg 1.5%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
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Top EPA Regulated Facilities in Marshall 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).

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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 • MADILL, OK (ZIP 73446 Sector) HIGH (68/100) Significant Violation (9 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • MADILL, OK (ZIP 73446 Sector) MODERATE (56/100) Violation Identified (9 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • MADILL, OK (ZIP 73446 Sector) MODERATE (36/100) Resolved / Historical Non-Compliance (4 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • KINGSTON, OK (ZIP 73439 Sector) MODERATE (36/100) Violation Identified (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • MADILL, OK (ZIP 73446 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • MADILL, OK (ZIP 73446 Sector) MODERATE (33/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • KINGSTON, OK (ZIP 73439 Sector) MODERATE (32/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • MADILL, OK (ZIP 73446 Sector) MODERATE (31/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
S & H TRAILER MANUFACTURING CO (INC) FREE PREVIEW (LOW RISK) 800 N INDUSTRIAL RD, MADILL, OK 73446 LOW (19/100) No Violation Identified (0 qtrs NC) $0
WAL MART STORES EAST LP / WALMART STORE 1295 FREE PREVIEW (LOW RISK) 1100 S 1ST ST, MADILL, OK 73446 LOW (18/100) No Violation Identified (0 qtrs NC) $0
BROOKSIDE MANOR NURSING H FREE PREVIEW (LOW RISK) STUMPFF ALBERTA ADM, MADILL, OK 73446 LOW (16/100) No Violation Identified (0 qtrs NC) $0
MADILL SERVICE FREE PREVIEW (LOW RISK) 301 S 1ST STREET, MADILL, OK 73446 LOW (16/100) No Violation Identified (0 qtrs NC) $0
🔒 + 143 Additional Regulated & Enforcement Records in Marshall County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Marshall County, Oklahoma Environmental Due Diligence

How many EPA-regulated environmental sites are in Marshall County, Oklahoma?

Public U.S. EPA records track 155 regulated facilities in Marshall County, Oklahoma (ranking #66 of 154 jurisdictions in OK). Of those, 4 (2.6%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 5 (3.2%) have active non-compliance quarters.

Which ZIP codes and cities in Marshall County have the highest regulated facility density?

Within Marshall County, the highest concentrations of EPA-tracked facilities are located in ZIP 73446 (Madill, 152 sites), ZIP 73449 (Mead, 8 sites), spanning municipal corridors including Madill (128 sites), Oakland (14 sites), Little City (10 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Marshall County?

Across Marshall County, 18 facilities (11.6% 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 Marshall County, OK?

Geologic indoor air screening places Marshall 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 Marshall County, OK?

Federal records track 18 Safe Drinking Water (SDWIS) facilities, 11 Clean Water Act NPDES permits, and 3 impaired water dischargers in Marshall County, alongside 2 historical FEMA federal disaster declarations (0 flood/storm events).

Does Marshall County, OK have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Marshall County indicates a HIGH 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.

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