Snohomish County, Washington — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Snohomish County, WA?
In Snohomish County, Washington, public U.S. EPA records track 3,175 regulated facilities (#3 of 75 in Washington), including 133 (4.2%) High-Risk sites and $11,254,043 in federal penalties. Countywide due diligence also covers 186 Safe Drinking Water (SDWIS) facilities, 2,126 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (4 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Snohomish 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📊 Snohomish County, WA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Snohomish County
ZIP Codes in Snohomish County
Top EPA Regulated Facilities in Snohomish 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 • EVERETT, WA (ZIP 98204 Sector) | HIGH (88/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • EVERETT, WA (ZIP 98208 Sector) | HIGH (75/100) | Violation Identified (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GRANITE FALLS, WA (ZIP 98252 Sector) | HIGH (74/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • EVERETT, WA (ZIP 98203 Sector) | HIGH (74/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • EDMONDS, WA (ZIP 98026 Sector) | HIGH (72/100) | Violation Identified (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ARLINGTON, WA (ZIP 98223 Sector) | HIGH (71/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • EVERETT, WA (ZIP 98201 Sector) | HIGH (70/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ARLINGTON, WA (ZIP 98223 Sector) | HIGH (70/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| LYNNWOOD HONDA FREE PREVIEW (LOW RISK) | 22020 HWY 99, EDMONDS, WA 98026 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| FOOD SERVICES OF AMERICA EVERETT FREE PREVIEW (LOW RISK) | 1001 SHUKSAN WAY, EVERETT, WA 98203 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| WA DOT S OLYMPIC ST ARLINGTON FREE PREVIEW (LOW RISK) | 521 S OLYMPIC PL NE, ARLINGTON, WA 98223 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| HIGH BRG RD 2 FREE PREVIEW (LOW RISK) | 14422 HIGH BRG RD, MONROE, WA 98272 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Snohomish County, Washington Environmental Due Diligence
How many EPA-regulated environmental sites are in Snohomish County, Washington?
Public U.S. EPA records track 3,175 regulated facilities in Snohomish County, Washington (ranking #3 of 75 jurisdictions in WA). Of those, 133 (4.2%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 317 (10.0%) have active non-compliance quarters.
Which ZIP codes and cities in Snohomish County have the highest regulated facility density?
Within Snohomish County, the highest concentrations of EPA-tracked facilities are located in ZIP 98223 (Arlington, 387 sites), ZIP 98036 (Lynnwood, 311 sites), ZIP 98201 (Everett, 293 sites), spanning municipal corridors including Everett (885 sites), Lynnwood (609 sites), Bothell (599 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Snohomish County?
Across Snohomish County, 1,827 facilities (57.5% 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 Snohomish County, WA?
Geologic indoor air screening places Snohomish 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 Snohomish County, WA?
Federal records track 186 Safe Drinking Water (SDWIS) facilities, 2,126 Clean Water Act NPDES permits, and 362 impaired water dischargers in Snohomish County, alongside 5 historical FEMA federal disaster declarations (4 flood/storm events).
Does Snohomish County, WA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Snohomish 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.