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 108 regulated facilities (#34 of 83 in Idaho), including 5 (4.6%) High-Risk sites and $236,368 in federal penalties. Countywide due diligence also covers 29 Safe Drinking Water (SDWIS) facilities, 75 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 05, 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 • GRAND VIEW, ID (ZIP 83624 Sector) | HIGH (82/100) | Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BRUNEAU, ID (ZIP 83604 Sector) | HIGH (72/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • BRUNEAU, ID (ZIP 83604 Sector) | HIGH (64/100) | Violation Identified (1 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GRAND VIEW, ID (ZIP 83624 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MURPHY, ID (ZIP 83650 Sector) | MODERATE (51/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • HOMEDALE, ID (ZIP 83628 Sector) | MODERATE (46/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MURPHY, ID (ZIP 83650 Sector) | MODERATE (46/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MARSING, ID (ZIP 83639 Sector) | MODERATE (41/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| SIMPLOT LAND AND LIVESTOCK FREE PREVIEW (LOW RISK) | 1301 HWY 67, GRAND VIEW, ID 83624 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| WYOMING CESQGS FREE PREVIEW (LOW RISK) | LEMLEY RD, GRAND VIEW, ID 83624 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CASEY MEYERS TRUCKING & EXCAV FREE PREVIEW (LOW RISK) | HWY 78, GRAND VIEW, ID 83624 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| US DOI BLM CRUTCHERS CROSSING MINE FREE PREVIEW (LOW RISK) | T13S R5W S25 SWSE, BRUNEAU, ID 83604 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Owyhee County, Idaho Environmental Due Diligence
How many EPA-regulated environmental sites are in Owyhee County, Idaho?
Public U.S. EPA records track 108 regulated facilities in Owyhee County, Idaho (ranking #34 of 83 jurisdictions in ID). Of those, 5 (4.6%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 19 (17.6%) have active non-compliance quarters.
Which ZIP codes and cities in Owyhee County have the highest regulated facility density?
Within Owyhee County, the highest concentrations of EPA-tracked facilities are located in ZIP 83628 (Homedale, 45 sites), ZIP 83624 (Grand View, 31 sites), ZIP 83639 (Marsing, 22 sites), spanning municipal corridors including Homedale (48 sites), Grand View (28 sites), Marsing (21 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Owyhee County?
Across Owyhee County, 43 facilities (39.8% 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, ID?
Geologic indoor air screening places Owyhee 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, ID?
Federal records track 29 Safe Drinking Water (SDWIS) facilities, 75 Clean Water Act NPDES permits, and 37 impaired water dischargers in Owyhee 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.