ZIP 99402 (Asotin, WA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 99402 in Asotin, Washington (Asotin County) has 11 EPA-tracked facilities, including 2 High-Risk sites (18.2%), 3 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 99402 are screened across 1 historical Asotin County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (6), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 99402 (Asotin, 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 99402 (Asotin, WA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 99402 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 2 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 99402 (Asotin, 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 • ASOTIN, WA (ZIP 99402 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ASOTIN, WA (ZIP 99402 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SAN MATEO, CA (ZIP 99402 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ASOTIN, WA (ZIP 99402 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| ASOTIN CNTY FREE PREVIEW (LOW RISK) | 127 2ND ST, ASOTIN, WA 99402 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| TEN MILE CREEK BRIDGE REPLACEMENT FREE PREVIEW (LOW RISK) | SNAKE RIVER ROAD, ASOTIN, WA 99402 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| SECOND STREET RECONSTRUCTION FREE PREVIEW (LOW RISK) | SECOND STREET, ASOTIN, WA 99402 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WA DA ASOTIN 1 FREE PREVIEW (LOW RISK) | T10N R46E S21, ASOTIN, WA 99402 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ROGERSBURG, WA (ZIP 99402 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ASOTIN, WA (ZIP 99402 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • ASOTIN, WA (ZIP 99402 Sector) | LOW (8/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 99402 (Asotin, 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 99402 (Asotin, WA)?
ZIP code 99402 (Asotin, WA) contains 11 EPA-tracked facilities, of which 2 (18.2%) are classified in the High-Risk tier, 3 (27.3%) have active compliance violations, and 4 (36.4%) handle RCRA hazardous waste.
How does ZIP 99402 compare to Asotin County and Washington averages?
In ZIP 99402, 18.2% of regulated sites are rated High Risk, compared to 9.0% across Asotin County and 5.2% statewide in Washington.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 99402?
Geologic screening places ZIP 99402 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 99402 (Asotin, WA) in a FEMA flood zone and what is the flood disaster history?
Asotin County has recorded 1 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 99402 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 99402 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 99402 indicates a HIGH shrink-swell risk signal. Within ZIP 99402, federal registries track 1 SDWIS drinking water facilities, 5 Clean Water NPDES permits, and 3 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.