Nez Perce County, Idaho — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Nez Perce County, ID?
In Nez Perce County, Idaho, public U.S. EPA records track 245 regulated facilities (#11 of 83 in Idaho), including 10 (4.1%) High-Risk sites and $6,381,853 in federal penalties. Countywide due diligence also covers 27 Safe Drinking Water (SDWIS) facilities, 118 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Nez Perce 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📊 Nez Perce County, ID Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Nez Perce County
ZIP Codes in Nez Perce County
Top EPA Regulated Facilities in Nez Perce 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 |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • LEWISTON, ID (ZIP 83501 Sector) | HIGH (72/100) | Significant Violation (8 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GENESEE, ID (ZIP 83832 Sector) | HIGH (68/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LEWISTON, ID (ZIP 83501 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • LEWISTON, ID (ZIP 83501 Sector) | MODERATE (60/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • LEWISTON, ID (ZIP 83501 Sector) | MODERATE (57/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LEWISTON, ID (ZIP 83501 Sector) | MODERATE (51/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CULDESAC, ID (ZIP 83524 Sector) | MODERATE (47/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LEWISTON, ID (ZIP 83501 Sector) | MODERATE (46/100) | Violation Identified (7 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| BOB JACKSON BODY REPAIR FREE PREVIEW (LOW RISK) | 856 F ST, LEWISTON, ID 83501 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| WESTERN CONSTRUCTION AND EXCAVATION FREE PREVIEW (LOW RISK) | INDUSTRIAL WAY ST, LEWISTON, ID 83501 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| SWIFT TRANSPORTATION FREE PREVIEW (LOW RISK) | 1616 6TH AVE N, LEWISTON, ID 83501 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| ID TRANS DEPT LEWISTON FREE PREVIEW (LOW RISK) | 2600 FRONTAGE RD, LEWISTON, ID 83501 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Nez Perce County, Idaho Environmental Due Diligence
How many EPA-regulated environmental sites are in Nez Perce County, Idaho?
Public U.S. EPA records track 245 regulated facilities in Nez Perce County, Idaho (ranking #11 of 83 jurisdictions in ID). Of those, 10 (4.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 14 (5.7%) have active non-compliance quarters.
Which ZIP codes and cities in Nez Perce County have the highest regulated facility density?
Within Nez Perce County, the highest concentrations of EPA-tracked facilities are located in ZIP 83501 (Lewiston, 266 sites), ZIP 83540 (Lapwai, 25 sites), ZIP 83524 (Culdesac, 11 sites), spanning municipal corridors including Lapwai (19 sites), Culdesac (8 sites), Peck (8 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Nez Perce County?
Across Nez Perce County, 123 facilities (50.2% 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 Nez Perce County, ID?
Geologic indoor air screening places Nez Perce 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 Nez Perce County, ID?
Federal records track 27 Safe Drinking Water (SDWIS) facilities, 118 Clean Water Act NPDES permits, and 26 impaired water dischargers in Nez Perce County, alongside 5 historical FEMA federal disaster declarations (1 flood/storm events).
Does Nez Perce County, ID have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Nez Perce 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.