Owyhee County, Idaho — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Owyhee County, ID?
In Owyhee County, Idaho, public U.S. EPA records track 42 regulated facilities (#60 of 83 in Idaho), including 1 (2.4%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 41 Clean Water NPDES permits, 11 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Owyhee 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📊 Owyhee County, ID Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Owyhee County
ZIP Codes in Owyhee County
Top EPA Regulated Facilities in Owyhee 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 • BRUNEAU, ID (ZIP 83604 Sector) | HIGH (65/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GRANDVIEW, ID (ZIP 83624 Sector) | MODERATE (35/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MURPHY, ID (ZIP 83650 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • HOMEDALE, ID (ZIP 83628 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| SH-19, DOWNTOWN HOMEDALE RECONSTRUCTION FREE PREVIEW (LOW RISK) | SH-19, BETWEEN 4TH ST W AND 4 ST EAST, HOMEDALE, ID 83628 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| HOMEDALE FOOTBALL FIELD FREE PREVIEW (LOW RISK) | 116 E. OWYHEE AVE., HOMEDALE, ID 83628 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| HOMEDALE WASTEWATER PLANT FREE PREVIEW (LOW RISK) | 3760 RIVER ROAD, HOMEDALE, ID 83628 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| SNAKE RIVER BRIDGE, MARSING FREE PREVIEW (LOW RISK) | SH-55 MP 2.65, MARSING, ID 83639 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MARSING, ID (ZIP 83639 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BRUNEAU, ID (ZIP 83604 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MARSING, ID (ZIP 83639 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MARSING, ID (ZIP 83639 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Owyhee County, Idaho Environmental Due Diligence
How many EPA-regulated environmental sites are in Owyhee County County, Idaho?
Public U.S. EPA records track 42 regulated facilities in Owyhee County County, Idaho (ranking #60 of 83 jurisdictions in ID). Of those, 1 (2.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 3 (7.1%) have active non-compliance quarters.
Which ZIP codes and cities in Owyhee County County have the highest regulated facility density?
Within Owyhee County County, the highest concentrations of EPA-tracked facilities are located in ZIP 83604 (Bruneau, 32 sites), ZIP 83767 (Homedale, 2 sites), spanning municipal corridors including Bruneau (26 sites), Grasmere (4 sites), Grandview (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Owyhee County County?
Across Owyhee 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 Owyhee County County, ID?
Geologic indoor air screening places Owyhee 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 Owyhee County County, ID?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 41 Clean Water Act NPDES permits, and 15 impaired water dischargers in Owyhee County County, alongside 11 historical FEMA federal disaster declarations (3 flood/storm events).
Does Owyhee County, ID have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Owyhee County indicates a MODERATE 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.