Lewis County, Idaho — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Lewis County, ID?
In Lewis County, Idaho, public U.S. EPA records track 13 regulated facilities (#83 of 83 in Idaho), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 13 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Lewis County, ID 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Lewis County, ID Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Lewis County
ZIP Codes in Lewis County
Top EPA Regulated Facilities in Lewis County, ID
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 |
|---|---|---|---|---|
| US-95, CULDESAC CANYON PASSING LANE, PH 3 FREE PREVIEW (LOW RISK) | US-95, MP 283.83 TO 286.13, NEAR CULDESAC, ID 83524 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| NEZPERCE MUNICIPAL AIRPORT FREE PREVIEW (LOW RISK) | MAPLE STREET, NEZPERCE, ID 83543 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| NEZPERCE REUSE PROJECT PHASE 2 FREE PREVIEW (LOW RISK) | EAST OF ID-62, NORTH OF NEZPERCE AIRPORT, NEZPERCE, ID 83543 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 20032; US-95, CULDESAC CANYON PASSING LANE, PH 3 FREE PREVIEW (LOW RISK) | US-95, MP 283.83 TO MP 286.13, NEAR CULDESAC, ID 83524 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • KAMIAH, ID (ZIP 83536 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • KAMIAH, ID (ZIP 83536 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NEAR WINCHESTER, ID (ZIP 83555 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • NEAR WINCHESTER, ID (ZIP 83555 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WINCHESTER, ID (ZIP 83555 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CRAIGMONT, ID (ZIP 83523 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CRAIGMONT, ID (ZIP 83523 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • NEAR WINCHESTER, ID (ZIP 83555 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Lewis County, Idaho Environmental Due Diligence
How many EPA-regulated environmental sites are in Lewis County County, Idaho?
Public U.S. EPA records track 13 regulated facilities in Lewis County County, Idaho (ranking #83 of 83 jurisdictions in ID). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Lewis County County have the highest regulated facility density?
Within Lewis County County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Near Winchester (4 sites), Near Culdesac (3 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Lewis County County?
Across Lewis County County, 0 facilities (0.0% 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 Lewis County County, ID?
Geologic indoor air screening places Lewis County County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Lewis County County, ID?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 13 Clean Water Act NPDES permits, and 0 impaired water dischargers in Lewis County County, alongside 2 historical FEMA federal disaster declarations (1 flood/storm events).
Does Lewis County, ID have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Lewis County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.