Winthrop, Washington — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Winthrop, WA?
Public U.S. EPA records track 28 regulated facilities in Winthrop, Washington (Okanogan County), including 6 High-Risk sites (21.4%) and 11 active violators. In addition to industrial waste, Winthrop properties are screened for Tap Water & Watershed Permits (19 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 12 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Winthrop, WA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Winthrop, WA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Winthrop, WA
Highest-Scored EPA Regulated Facilities in Winthrop, 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 • WINTHROP, WA (ZIP 98862 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WINTHROP, WA (ZIP 98862 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WINTHROP, WA (ZIP 98862 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WINTHROP, WA (ZIP 98862 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WINTHROP, WA (ZIP 98862 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WINTHROP, WA (ZIP 98862 Sector) | MODERATE (42/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WINTHROP, WA (ZIP 98862 Sector) | MODERATE (38/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WINTHROP, WA (ZIP 98862 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| WA DOT BRG 20624 FREE PREVIEW (LOW RISK) | SR 20 MP 193.4 30.8 MILES E OF CHELAN COUNTY, WINTHROP, WA 98862 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| USDA USFS R06 EIGHT MILE RANCH OKANOGAN NATIONAL FOREST FREE PREVIEW (LOW RISK) | T36N R21E S 23 QSSE, WINTHROP, WA 98862 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| OKANOGAN-WENATCHEE 2017 REPAIRS, PHASE 4; WA FS ERFO 2017(1)-23(4) FREE PREVIEW (LOW RISK) | OKANOGAN-WENATCHEE NATIONAL FOREST, WINTHROP, WA 98840 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WA AGR OKANOGAN 5 FREE PREVIEW (LOW RISK) | 23A INTERCITY AIRPORT RD, WINTHROP, WA 98862 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Winthrop, Washington Environmental Risk & Radon
How many EPA-regulated facilities are in Winthrop, WA?
U.S. EPA records track 28 regulated facilities in Winthrop, Washington, including 6 high-risk sites (21.4%), 11 active violators (39.3%), and 10 RCRA hazardous waste handlers (35.7%).
Which ZIP codes in Winthrop, WA have the most EPA-tracked sites?
Within Winthrop, regulated facilities are primarily concentrated across ZIP 98862 (27 sites).
How can I check a specific house or commercial property in Winthrop, WA?
Enter the exact street address in Winthrop 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 Winthrop, WA and how many EPA water permits exist?
In Winthrop, WA, federal registries track 6 Safe Drinking Water (SDWIS) facilities, 13 Clean Water Act NPDES permits, and 4 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Winthrop, WA?
USDA regional soil screening for Winthrop indicates a LOW shrink-swell foundation signal, and Okanogan County has recorded 12 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.