Oneida County, Idaho — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Oneida County, Idaho, public U.S. EPA records track 5 regulated facilities (#85 of 85 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, 5 Clean Water NPDES permits, 11 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Oneida 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📊 Oneida County, ID Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Oneida County
ZIP Codes in Oneida County
Top EPA Regulated Facilities in Oneida 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 |
|---|---|---|---|---|
| STC-1701, OLD HWY 37, THE NARROWS FREE PREVIEW (LOW RISK) | OLD HWY 37 MP 28.798 TO 32.462, HOLBROOK, ID 83243 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| MAVERIK #630 – MALAD, ID FREE PREVIEW (LOW RISK) | 50 SOUTH 300 EAST, MALAD, ID 83252 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| OLD HWY 37, THE NARROWS FREE PREVIEW (LOW RISK) | MP 28.8 TO MP 32.5, HOLBROOK, ID 83243 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MALAD HIGH SCHOOL BASEBALL & SOFTBALL COMPLEX FREE PREVIEW (LOW RISK) | JENKINS AVE, MALAD, ID 83252 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Oneida County, Idaho Environmental Due Diligence
How many EPA-regulated environmental sites are in Oneida County County, Idaho?
Public U.S. EPA records track 5 regulated facilities in Oneida County County, Idaho (ranking #85 of 85 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 Oneida County County have the highest regulated facility density?
Within Oneida County County, the highest concentrations of EPA-tracked facilities are located in ZIP 83243 (Holbrook, 3 sites), spanning municipal corridors including Holbrook (3 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Oneida County County?
Across Oneida 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 Oneida County County, ID?
Geologic indoor air screening places Oneida 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 Oneida County County, ID?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 5 Clean Water Act NPDES permits, and 4 impaired water dischargers in Oneida County County, alongside 11 historical FEMA federal disaster declarations (3 flood/storm events).
Does Oneida County, ID have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Oneida County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.