Washington County, Oklahoma — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Washington County, OK?
In Washington County, Oklahoma, public U.S. EPA records track 211 regulated facilities (#46 of 154 in Oklahoma), including 5 (2.4%) High-Risk sites and $146,418 in federal penalties. Countywide due diligence also covers 10 Safe Drinking Water (SDWIS) facilities, 15 Clean Water NPDES permits, 6 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Washington 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📊 Washington County, OK Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Washington County
Top EPA Regulated Facilities in Washington 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • COPAN, OK (ZIP 74022 Sector) | HIGH (69/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BARTLESVILLE, OK (ZIP 74003 Sector) | MODERATE (49/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • RAMONA, OK (ZIP 74061 Sector) | MODERATE (45/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • DEWEY, OK (ZIP 74029 Sector) | MODERATE (36/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • OCHELATA, OK (ZIP 74051 Sector) | MODERATE (32/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BARTLESVILLE, OK (ZIP 74003 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • , OK (ZIP Sector) | MODERATE (31/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • BARTLESVILLE, OK (ZIP 74006 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| SOUTHERN STAR CTL G/COTTON VALLEY STA FREE PREVIEW (LOW RISK) | 16 25 MI NE OF DEWEY, COPAN, OK 74022 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| FORMER OAKLEY PONTIAC BUICK INC FREE PREVIEW (LOW RISK) | 201 S CHEROKEE, BARTLESVILLE, OK 74003 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BARTLESVILLE OPERATING CENTER FREE PREVIEW (LOW RISK) | 1306 E 4TH ST, BARTLESVILLE, OK 74003 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CONOCO PHILLIPS FREE PREVIEW (LOW RISK) | 315 JOHNSTONE AVENUE, BARTLESVILLE, OK 74004 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Washington County, Oklahoma Environmental Due Diligence
How many EPA-regulated environmental sites are in Washington County, Oklahoma?
Public U.S. EPA records track 211 regulated facilities in Washington County, Oklahoma (ranking #46 of 154 jurisdictions in OK). Of those, 5 (2.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 6 (2.8%) have active non-compliance quarters.
Which ZIP codes and cities in Washington County have the highest regulated facility density?
Within Washington County, the highest concentrations of EPA-tracked facilities are located in ZIP 74003 (Bartlesville, 118 sites), ZIP 74006 (Bartlesville, 67 sites), ZIP 74029 (Dewey, 23 sites), spanning municipal corridors including Bartlesville (193 sites), Dewey (25 sites), Ochelata (13 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Washington County?
Across Washington County, 103 facilities (48.8% 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 Washington County, OK?
Geologic indoor air screening places Washington County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Washington County, OK?
Federal records track 10 Safe Drinking Water (SDWIS) facilities, 15 Clean Water Act NPDES permits, and 1 impaired water dischargers in Washington County, alongside 6 historical FEMA federal disaster declarations (2 flood/storm events).
Does Washington County, OK have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Washington County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.