Whitman County, Washington — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Whitman County, WA?
In Whitman County, Washington, public U.S. EPA records track 76 regulated facilities (#52 of 75 in Washington), including 5 (6.6%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 75 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Whitman County, WA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Whitman County, WA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Whitman County
ZIP Codes in Whitman County
Top EPA Regulated Facilities in Whitman County, WA
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 • HAY, WA (ZIP 99136 Sector) | HIGH (69/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • COLFAX, WA (ZIP 99111 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PULLMAN, WA (ZIP 99163 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ENDICOTT, WA (ZIP 99125 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GARFIELD, WA (ZIP 99130 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PULLMAN, WA (ZIP 99163 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MALDEN AND ROSALIA, WA (ZIP 99170 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • COLFAX, WA (ZIP 99111 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| SDAC BUILDING FREE PREVIEW (LOW RISK) | 2454 NE ANDRUS DRIVE, PULLMAN, WA 99163 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| THE COLLEGIATE FREE PREVIEW (LOW RISK) | 2900 N GRAND AVE, PULLMAN, WA 99163 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CEDAR ST & OAK ST REHABILITATION PROJ FREE PREVIEW (LOW RISK) | CEDAR ST & OAK ST FROM 8TH TO 11TH, COLFAX, WA 99111 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BARCLAY ESTATES SUBDIVISION NO 3 FREE PREVIEW (LOW RISK) | (UNSPECIFIED), PULLMAN, WA 99163 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Whitman County, Washington Environmental Due Diligence
How many EPA-regulated environmental sites are in Whitman County County, Washington?
Public U.S. EPA records track 76 regulated facilities in Whitman County County, Washington (ranking #52 of 75 jurisdictions in WA). Of those, 5 (6.6%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 31 (40.8%) have active non-compliance quarters.
Which ZIP codes and cities in Whitman County County have the highest regulated facility density?
Within Whitman County County, the highest concentrations of EPA-tracked facilities are located in ZIP 99163 (Pullman, 166 sites), ZIP 99111 (Colfax, 34 sites), ZIP 99170 (Unspecified, 16 sites), spanning municipal corridors including Colfax (32 sites), Saint John (7 sites), Endicott (6 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Whitman County County?
Across Whitman 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 Whitman County County, WA?
Geologic indoor air screening places Whitman County 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 Whitman County County, WA?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 75 Clean Water Act NPDES permits, and 27 impaired water dischargers in Whitman County County, alongside 2 historical FEMA federal disaster declarations (0 flood/storm events).
Does Whitman County, WA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Whitman County indicates a MODERATE 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.