ZIP 98240 (Custer, WA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 98240 in Custer, Washington (Whatcom County) has 17 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 2 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 98240 are screened across 3 historical Whatcom County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (11), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 98240 (Custer, 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 98240 (Custer, WA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 98240 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 2 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 98240 (Custer, 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CUSTER, WA (ZIP 98240 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CUSTER, WA (ZIP 98240 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CUSTER, WA (ZIP 98240 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| I-5 AND SR 548 TRIBUTARIES TO CAL. CREEK FREE PREVIEW (LOW RISK) | UNSPECIFIED, FERNDALE, WA 98240 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| WA DOT I5 MP 266 CUSTER FREE PREVIEW (LOW RISK) | I5 MP 266 2 MI N, CUSTER, WA 98240 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BONNEVILLE POWER ADMIN CUSTER SUBSTATION FREE PREVIEW (LOW RISK) | 7357 PORTAL WAY, CUSTER, WA 98240 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| BNSF RAILWAY CO CUSTER WA CRUDE OIL CONTAMINATED SOIL FREE PREVIEW (LOW RISK) | 48 55' 27 , -122 39' 03, CUSTER, WA 98240 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CUSTER, WA (ZIP 98240 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CUSTER, WA (ZIP 98240 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CUSTER, WA (ZIP 98240 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CUSTER, WA (ZIP 98240 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CUSTER, WA (ZIP 98240 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 98240 (Custer, 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 98240 (Custer, WA)?
ZIP code 98240 (Custer, WA) contains 17 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 2 (11.8%) have active compliance violations, and 6 (35.3%) handle RCRA hazardous waste.
How does ZIP 98240 compare to Whatcom County and Washington averages?
In ZIP 98240, 0.0% of regulated sites are rated High Risk, compared to 7.2% across Whatcom County and 5.2% statewide in Washington.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 98240?
Geologic screening places ZIP 98240 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 98240 (Custer, WA) in a FEMA flood zone and what is the flood disaster history?
Whatcom County has recorded 3 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 98240 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 98240 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 98240 indicates a MODERATE shrink-swell risk signal. Within ZIP 98240, federal registries track 2 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.