King County, Washington — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in King County, WA?
In King County, Washington, public U.S. EPA records track 9,924 regulated facilities (#1 of 75 in Washington), including 321 (3.2%) High-Risk sites and $36,897,152 in federal penalties. Countywide due diligence also covers 219 Safe Drinking Water (SDWIS) facilities, 3,967 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
King 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📊 King County, WA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in King County
ZIP Codes in King County
Top EPA Regulated Facilities in King 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 • SEATTLE, WA (ZIP 98199 Sector) | HIGH (97/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • KENT, WA (ZIP 98032 Sector) | HIGH (93/100) | Significant Violation (10 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • RENTON, WA (ZIP 98057 Sector) | HIGH (91/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98134 Sector) | HIGH (90/100) | Violation Identified (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ENUMCLAW, WA (ZIP 98022 Sector) | HIGH (87/100) | Violation Identified (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98116 Sector) | HIGH (86/100) | Significant Violation (11 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98108 Sector) | HIGH (86/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • TUKWILA, WA (ZIP 98188 Sector) | HIGH (84/100) | Significant Violation (11 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| KELLY GOODWIN CO FREE PREVIEW (LOW RISK) | 350 TRECK DR, TUKWILA, WA 98188 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| A PLUS REMOVAL & RECYCLING LLC FREE PREVIEW (LOW RISK) | 116 CLAY ST NW STE B1, AUBURN, WA 98001 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| DOCTOR DONS AUTOMOTIVE INC FREE PREVIEW (LOW RISK) | 1136 NW 50TH ST, SEATTLE, WA 98107 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| COMPLETE AUTOMOTIVE INC FREE PREVIEW (LOW RISK) | 909 E UNION ST, SEATTLE, WA 98122 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — King County, Washington Environmental Due Diligence
How many EPA-regulated environmental sites are in King County, Washington?
Public U.S. EPA records track 9,924 regulated facilities in King County, Washington (ranking #1 of 75 jurisdictions in WA). Of those, 321 (3.2%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 672 (6.8%) have active non-compliance quarters.
Which ZIP codes and cities in King County have the highest regulated facility density?
Within King County, the highest concentrations of EPA-tracked facilities are located in ZIP 98032 (Kent, 734 sites), ZIP 98052 (Redmond, 572 sites), ZIP 98108 (Seattle, 564 sites), spanning municipal corridors including Seattle (4,174 sites), Kent (1,072 sites), Bellevue (753 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in King County?
Across King County, 7,478 facilities (75.4% 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 King County, WA?
Geologic indoor air screening places King 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 King County, WA?
Federal records track 219 Safe Drinking Water (SDWIS) facilities, 3,967 Clean Water Act NPDES permits, and 873 impaired water dischargers in King County, alongside 4 historical FEMA federal disaster declarations (3 flood/storm events).
Does King County, WA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for King 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.