Canyon County, Idaho — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Canyon County, ID?
In Canyon County, Idaho, public U.S. EPA records track 818 regulated facilities (#4 of 83 in Idaho), including 4 (0.5%) High-Risk sites and $72,900 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 792 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).
Canyon 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📊 Canyon County, ID Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Canyon County
Top EPA Regulated Facilities in Canyon 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 • CALDWELL, ID (ZIP 83607 Sector) | HIGH (64/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CALDWELL, ID (ZIP 83605 Sector) | MODERATE (35/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CALDWELL, ID (ZIP 83607 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MIDDLETON, ID (ZIP 83644 Sector) | MODERATE (31/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CALDWELL, ID (ZIP 83605 Sector) | MODERATE (31/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • NAMPA, ID (ZIP 83686 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NAMPA, ID (ZIP 83687 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CALDWELL, ID (ZIP 83605 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| HUNTINGTON RIDGE EAST SUBDIVISION PHASE 1 FREE PREVIEW (LOW RISK) | 2919 LINCOLN RD, CALDWELL, ID 83605 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| WATERFORD SUBDIVISION NO. 1 FREE PREVIEW (LOW RISK) | DUFF LN., MIDDLETON, ID 83644 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| BIRCH REDUNDANT FORCE MAIN FREE PREVIEW (LOW RISK) | 8269 BIRCH LANE, NAMPA, ID 83687 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| TMC INC. WAREHOUSE FREE PREVIEW (LOW RISK) | 1301 MADISON AVE, NAMPA, ID 83687 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Canyon County, Idaho Environmental Due Diligence
How many EPA-regulated environmental sites are in Canyon County County, Idaho?
Public U.S. EPA records track 818 regulated facilities in Canyon County County, Idaho (ranking #4 of 83 jurisdictions in ID). Of those, 4 (0.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 10 (1.2%) have active non-compliance quarters.
Which ZIP codes and cities in Canyon County County have the highest regulated facility density?
Within Canyon County County, the highest concentrations of EPA-tracked facilities are located in ZIP 83687 (Nampa, 549 sites), ZIP 83651 (Nampa, 256 sites), ZIP 83607 (Caldwell, 253 sites), spanning municipal corridors including Middleton (147 sites), Middelton (2 sites), Namp (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Canyon County County?
Across Canyon 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 Canyon County County, ID?
Geologic indoor air screening places Canyon 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 Canyon County County, ID?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 792 Clean Water Act NPDES permits, and 163 impaired water dischargers in Canyon County County, alongside 11 historical FEMA federal disaster declarations (3 flood/storm events).
Does Canyon County, ID have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Canyon 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.