Washington County, Kansas — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Washington County, KS?
In Washington County, Kansas, public U.S. EPA records track 143 regulated facilities (#59 of 193 in Kansas), including 2 (1.4%) High-Risk sites and $71,494 in federal penalties. Countywide due diligence also covers 12 Safe Drinking Water (SDWIS) facilities, 61 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Washington County, KS 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, KS 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, KS
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 • HADDAM, KS (ZIP 66944 Sector) | MODERATE (39/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MAHASKA, KS (ZIP Sector) | MODERATE (32/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • BARNES, KS (ZIP 66933 Sector) | MODERATE (31/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WASHINGTON, KS (ZIP 66968 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CLIFTON, KS (ZIP 66937 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LINN, KS (ZIP 66953 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • HANOVER, KS (ZIP 66945 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GREENLEAF, KS (ZIP 66943 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| BRADFORD BUILT FREE PREVIEW (LOW RISK) | 1803 INDUSTRIAL PARK DR, WASHINGTON, KS 66968 | LOW (23/100) | No Violation Identified (0 qtrs NC) | $0 |
| FARMERS COOPERATIVE ELEVATOR ASSOCIATION-GREENLEAF FREE PREVIEW (LOW RISK) | 4TH & COMMERCIAL, GREENLEAF, KS 66943 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| CLIFTON STATION FREE PREVIEW (LOW RISK) | 319 EAGLE ROAD, CLIFTON, KS 66937 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| NORTHERN NATURAL GAS CO CLIFTON FREE PREVIEW (LOW RISK) | 2930 GAS CITY ROAD, CLIFTON, KS 66937 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Washington County, Kansas Environmental Due Diligence
How many EPA-regulated environmental sites are in Washington County, Kansas?
Public U.S. EPA records track 143 regulated facilities in Washington County, Kansas (ranking #59 of 193 jurisdictions in KS). Of those, 2 (1.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 5 (3.5%) 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 66968 (Washington, 42 sites), ZIP 66937 (Clifton, 17 sites), ZIP 66953 (Linn, 17 sites), spanning municipal corridors including Washington (47 sites), Clifton (21 sites), Linn (19 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Washington County?
Across Washington County, 34 facilities (23.8% 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, KS?
Geologic indoor air screening places Washington County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Washington County, KS?
Federal records track 12 Safe Drinking Water (SDWIS) facilities, 61 Clean Water Act NPDES permits, and 10 impaired water dischargers in Washington County, alongside 3 historical FEMA federal disaster declarations (2 flood/storm events).
Does Washington County, KS 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 Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.