San Juan County, Washington — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in San Juan County, WA?
In San Juan County, Washington, public U.S. EPA records track 180 regulated facilities (#38 of 75 in Washington), including 11 (6.1%) High-Risk sites and $53,000 in federal penalties. Countywide due diligence also covers 103 Safe Drinking Water (SDWIS) facilities, 67 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
San Juan 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📊 San Juan County, WA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in San Juan County
Top EPA Regulated Facilities in San Juan 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 • FRIDAY HARBOR, WA (ZIP 98250 Sector) | HIGH (71/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • FRIDAY HARBOR, WA (ZIP 98250 Sector) | HIGH (69/100) | Significant Violation (5 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • EASTSOUND, WA (ZIP 98245 Sector) | HIGH (68/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • LOPEZ IS, WA (ZIP 98261 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • FRIDAY HARBOR, WA (ZIP 98250 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LOPEZ ISLAND, WA (ZIP 98261 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • FRIDAY HARBOR, WA (ZIP 98250 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • FRIDAY HARBOR, WA (ZIP 98250 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| FEDEX GROUND SAN JEAN ISLANDS FREE PREVIEW (LOW RISK) | 115 SALTSPRING DR, FRIDAY HARBOR, WA 98250 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| USWCOM EASTSOUND N RPTR BLDG FREE PREVIEW (LOW RISK) | T37N R1 S7 & T37N R2 S12, EASTSOUND, WA 98245 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| WARNER BROTHERS PRACTICAL MAGIC FREE PREVIEW (LOW RISK) | 550 AIRPORT CIRCLE DR, FRIDAY HARBOR, WA 98250 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| VESSEL SPEARS BARGE FREE PREVIEW (LOW RISK) | TIP OF BROWN ISLAND, FRIDAY HARBOR, WA 98250 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — San Juan County, Washington Environmental Due Diligence
How many EPA-regulated environmental sites are in San Juan County, Washington?
Public U.S. EPA records track 180 regulated facilities in San Juan County, Washington (ranking #38 of 75 jurisdictions in WA). Of those, 11 (6.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 33 (18.3%) have active non-compliance quarters.
Which ZIP codes and cities in San Juan County have the highest regulated facility density?
Within San Juan County, the highest concentrations of EPA-tracked facilities are located in ZIP 98250 (Friday Harbor, 74 sites), ZIP 98245 (Eastsound, 39 sites), ZIP 98261 (Lopez Island, 22 sites), spanning municipal corridors including Friday Harbor (69 sites), Eastsound (38 sites), Lopez Island (19 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in San Juan County?
Across San Juan County, 28 facilities (15.6% 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 San Juan County, WA?
Geologic indoor air screening places San Juan 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 San Juan County, WA?
Federal records track 103 Safe Drinking Water (SDWIS) facilities, 67 Clean Water Act NPDES permits, and 6 impaired water dischargers in San Juan County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does San Juan County, WA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for San Juan County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.