Snohomish County, Washington — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Snohomish County, WA?
Public U.S. EPA records track 2 regulated facilities in Snohomish County, Washington (Snohomish County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Snohomish County properties are screened for Tap Water & Watershed Permits (2 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 5 County FEMA Disaster Declarations, 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 05, 2026)ZIP Codes in Snohomish County, WA
Highest-Scored 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 |
|---|---|---|---|---|
| DARRINGTON DISTRICT PHASE II,WA FS ERFO 2016(1) -20(5) FREE PREVIEW (LOW RISK) | MT BAKER-SNOQUALMIE NATIONAL FOREST, SNOHOMISH COUNTY, WA 98241 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Snohomish County, Washington Environmental Risk & Radon
How many EPA-regulated facilities are in Snohomish County, WA?
U.S. EPA records track 2 regulated facilities in Snohomish County, Washington, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).
Which ZIP codes in Snohomish County, WA have the most EPA-tracked sites?
Within Snohomish County, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in Snohomish County, WA?
Enter the exact street address in Snohomish County into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Snohomish County, WA and how many EPA water permits exist?
In Snohomish County, WA, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 2 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Snohomish County, WA?
USDA regional soil screening for Snohomish County indicates a MODERATE shrink-swell foundation signal, and Snohomish County has recorded 5 federal FEMA disaster declarations (4 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.