ZIP 98116 (Seattle, WA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 98116 in Seattle, Washington (King County) has 45 EPA-tracked facilities, including 1 High-Risk sites (2.2%), 1 active violators, and $222,250 in federal penalties. Beyond industrial pollution, properties in ZIP 98116 are screened across 4 historical King County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (10), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 98116 (Seattle, WA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 98116 (Seattle, WA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 98116 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 98116 (Seattle, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98116 Sector) | HIGH (87/100) | Significant Violation (11 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98116 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98116 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98116 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98116 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98116 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98116 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98116 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| SEATTLE SD MADISON MIDDLE SCHOOL FREE PREVIEW (LOW RISK) | 3429 45TH AVE SW, SEATTLE, WA 98116 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| WEST SEATTLE DENTAL CENTER FREE PREVIEW (LOW RISK) | 3255 CALIFORNIA AVE SW, SEATTLE, WA 98116 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| PETCO #1256 FREE PREVIEW (LOW RISK) | 4100 SW ALASKA ST, SEATTLE, WA 98116 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| SEATTLE CITY PARKS & REC ALKI BATH HOUSE FREE PREVIEW (LOW RISK) | 2701 ALKI AVE SW, SEATTLE, WA 98116 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 98116 (Seattle, WA) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 98116 (Seattle, WA)?
ZIP code 98116 (Seattle, WA) contains 45 EPA-tracked facilities, of which 1 (2.2%) are classified in the High-Risk tier, 1 (2.2%) have active compliance violations, and 35 (77.8%) handle RCRA hazardous waste.
How does ZIP 98116 compare to King County and Washington averages?
In ZIP 98116, 2.2% of regulated sites are rated High Risk, compared to 3.2% across King County and 5.2% statewide in Washington.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 98116?
Geologic screening places ZIP 98116 in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 98116 (Seattle, WA) in a FEMA flood zone and what is the flood disaster history?
King County has recorded 4 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 98116 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 98116 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 98116 indicates a MODERATE shrink-swell risk signal. Within ZIP 98116, federal registries track 1 SDWIS drinking water facilities, 9 Clean Water NPDES permits, and 2 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.