Boise County, Idaho — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Boise County, Idaho, public U.S. EPA records track 119 regulated facilities (#30 of 83 in Idaho), including 1 (0.8%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 47 Safe Drinking Water (SDWIS) facilities, 93 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).
Boise 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📊 Boise County, ID Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Boise County
ZIP Codes in Boise County
Top EPA Regulated Facilities in Boise 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 • GARDEN VALLEY, ID (ZIP 83622 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • HORSESHOE BEND, ID (ZIP 83629 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GARDEN VALLEY, ID (ZIP 83622 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • HORSESHOE BEND, ID (ZIP 83629 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • , ID (ZIP Sector) | MODERATE (46/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • HORSESHOE BEND, ID (ZIP 83629 Sector) | MODERATE (43/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GARDEN VALLEY, ID (ZIP 83622 Sector) | MODERATE (38/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HORSESHOE BEND, ID (ZIP 83629 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| ANTHONY OSTROWSKI - SUCTION DREDGE FREE PREVIEW (LOW RISK) | GRIMES CREEK, UNKNOWN, ID 00000 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| KEVIN MCGAFFEY - SUCTION DREDGE FREE PREVIEW (LOW RISK) | FALL CREEK, UNKNOWN, ID 00000 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| IDAHO FOREST INC FREE PREVIEW (LOW RISK) | 125 MILL RD, HORSESHOE BEND, ID 83629 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MICRO VAC FREE PREVIEW (LOW RISK) | 26 THORN CRK RD, IDAHO CITY, ID 83631 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Boise County, Idaho Environmental Due Diligence
How many EPA-regulated environmental sites are in Boise County, Idaho?
Public U.S. EPA records track 119 regulated facilities in Boise County, Idaho (ranking #30 of 83 jurisdictions in ID). Of those, 1 (0.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 34 (28.6%) have active non-compliance quarters.
Which ZIP codes and cities in Boise County have the highest regulated facility density?
Within Boise County, the highest concentrations of EPA-tracked facilities are located in ZIP 83622 (Crouch, 27 sites), ZIP 83637 (Lowman, 16 sites), ZIP 83631 (Idaho City, 11 sites), spanning municipal corridors including Garden Valley (20 sites), Lowman (16 sites), Idaho City (13 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Boise County?
Across Boise County, 12 facilities (10.1% 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 Boise County, ID?
Geologic indoor air screening places Boise 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 Boise County, ID?
Federal records track 47 Safe Drinking Water (SDWIS) facilities, 93 Clean Water Act NPDES permits, and 46 impaired water dischargers in Boise County, alongside 11 historical FEMA federal disaster declarations (3 flood/storm events).
Does Boise County, ID have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Boise 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.