ZIP 98642 (Ridgefield, WA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 98642 in Ridgefield, Washington (Clark County) has 262 EPA-tracked facilities, including 28 High-Risk sites (10.7%), 80 active violators, and $249,900 in federal penalties. Beyond industrial pollution, properties in ZIP 98642 are screened across 3 historical Clark County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (229), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 98642 (Ridgefield, 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 98642 (Ridgefield, WA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 98642 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 28 High-Risk and 80 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 98642 (Ridgefield, 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 • RIDGEFIELD, WA (ZIP 98642 Sector) | HIGH (69/100) | Significant Violation (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • RIDGEFIELD, WA (ZIP 98642 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • RIDGEFIELD, WA (ZIP 98642 Sector) | HIGH (64/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • RIDGEFIELD, WA (ZIP 98642 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • RIDGEFIELD, WA (ZIP 98642 Sector) | HIGH (64/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • RIDGEFIELD, WA (ZIP 98642 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • RIDGEFIELD, WA (ZIP 98642 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • RIDGEFIELD, WA (ZIP 98642 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| KOCH TRACTOR FREE PREVIEW (LOW RISK) | 3000 NW 309TH ST, RIDGEFIELD, WA 98642 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| US FOODSERVICE INC RIDGEFIELD FREE PREVIEW (LOW RISK) | 89 S TIMM RD, RIDGEFIELD, WA 98642 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| NORTHWEST PIPELINE CORP RIDGEFIELD FREE PREVIEW (LOW RISK) | T4N R1E S10 SW NW, RIDGEFIELD, WA 98642 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| COSTCO WHOLESALE 1703 FREE PREVIEW (LOW RISK) | 519 N 56TH PL, RIDGEFIELD, WA 98642 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 98642 (Ridgefield, 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 98642 (Ridgefield, WA)?
ZIP code 98642 (Ridgefield, WA) contains 262 EPA-tracked facilities, of which 28 (10.7%) are classified in the High-Risk tier, 80 (30.5%) have active compliance violations, and 38 (14.5%) handle RCRA hazardous waste.
How does ZIP 98642 compare to Clark County and Washington averages?
In ZIP 98642, 10.7% of regulated sites are rated High Risk, compared to 6.3% across Clark County and 5.2% statewide in Washington.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 98642?
Geologic screening places ZIP 98642 in EPA Zone 1 — High Potential (> 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 98642 (Ridgefield, WA) in a FEMA flood zone and what is the flood disaster history?
Clark County has recorded 3 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 98642 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 98642 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 98642 indicates a HIGH shrink-swell risk signal. Within ZIP 98642, federal registries track 3 SDWIS drinking water facilities, 226 Clean Water NPDES permits, and 23 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.