Wahkiakum County, Washington — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Wahkiakum County, WA?
In Wahkiakum County, Washington, public U.S. EPA records track 35 regulated facilities (#63 of 75 in Washington), including 2 (5.7%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 8 Safe Drinking Water (SDWIS) facilities, 18 Clean Water NPDES permits, 6 FEMA Federal Disaster Declarations (6 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Wahkiakum 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📊 Wahkiakum County, WA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Wahkiakum County
ZIP Codes in Wahkiakum County
Top EPA Regulated Facilities in Wahkiakum 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 • SKAMOKAWA, WA (ZIP 98647 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CATHLAMET, WA (ZIP 98612 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NASELLE, WA (ZIP 98638 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CATHLAMET, WA (ZIP 98612 Sector) | MODERATE (46/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CATHLAMET, WA (ZIP 98612 Sector) | MODERATE (40/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CATHLAMET, WA (ZIP 98612 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CATHLAMET, WA (ZIP 98612 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CATHLAMET, WA (ZIP 98612 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| CAVENHAM FOREST INDUSTRIES CAT FREE PREVIEW (LOW RISK) | 273 RTE 4 W, CATHLAMET, WA 98612 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CATHLAMET DRUG DUMP FREE PREVIEW (LOW RISK) | HWY 4 NEAR CATHLAMET HIGH SCH, CATHLAMET, WA 98612 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WA DOT BRG 110 GRAYS RIVER FREE PREVIEW (LOW RISK) | T10N R8W S13, GRAYS RIVER, WA 98624 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| ROSBURG DRUG LAB FREE PREVIEW (LOW RISK) | 219 MILL RD, ROSBURG, WA 98643 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Wahkiakum County, Washington Environmental Due Diligence
How many EPA-regulated environmental sites are in Wahkiakum County, Washington?
Public U.S. EPA records track 35 regulated facilities in Wahkiakum County, Washington (ranking #63 of 75 jurisdictions in WA). Of those, 2 (5.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 8 (22.9%) have active non-compliance quarters.
Which ZIP codes and cities in Wahkiakum County have the highest regulated facility density?
Within Wahkiakum County, the highest concentrations of EPA-tracked facilities are located in ZIP 98621 (Grays River, 4 sites), ZIP 98647 (Skamokawa, 4 sites), ZIP 98643 (Rosburg, 3 sites), spanning municipal corridors including Grays River (5 sites), Skamokawa (4 sites), Rosburg (3 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Wahkiakum County?
Across Wahkiakum County, 14 facilities (40.0% 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 Wahkiakum County, WA?
Geologic indoor air screening places Wahkiakum 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 Wahkiakum County, WA?
Federal records track 8 Safe Drinking Water (SDWIS) facilities, 18 Clean Water Act NPDES permits, and 2 impaired water dischargers in Wahkiakum County, alongside 6 historical FEMA federal disaster declarations (6 flood/storm events).
Does Wahkiakum County, WA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Wahkiakum County indicates a MODERATE 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.