Oso, Washington — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Oso, WA?
Public U.S. EPA records track 3 regulated facilities in Oso, Washington (Snohomish County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Oso properties are screened for Tap Water & Watershed Permits (1 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).
Oso, WA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Oso, WA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)ZIP Codes in Oso, WA
Highest-Scored EPA Regulated Facilities in Oso, 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 |
|---|---|---|---|---|
| OSO DRUG LAB FREE PREVIEW (LOW RISK) | HWY 530 MI 35.5, OSO, WA 98223 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| WASHINGTON DEPARTMENT OF ECOLOGY OSO FREE PREVIEW (LOW RISK) | MP 37 STATE HIGHWAY 530, OSO, WA 98223 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| LAKE CAVANAUGH ROAD RE-ALIGNMENT FREE PREVIEW (LOW RISK) | LAKE CAVANAUGH, OSO, WA 98223 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Oso, Washington Environmental Risk & Radon
How many EPA-regulated facilities are in Oso, WA?
U.S. EPA records track 3 regulated facilities in Oso, Washington, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 2 RCRA hazardous waste handlers (66.7%).
Which ZIP codes in Oso, WA have the most EPA-tracked sites?
Within Oso, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in Oso, WA?
Enter the exact street address in Oso 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 Oso, WA and how many EPA water permits exist?
In Oso, WA, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Oso, WA?
USDA regional soil screening for Oso 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.