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 1,040 regulated facilities (#3 of 83 in Idaho), including 21 (2.0%) High-Risk sites and $6,947,066 in federal penalties. Countywide due diligence also covers 161 Safe Drinking Water (SDWIS) facilities, 1,274 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 • PARMA, ID (ZIP 83660 Sector) | HIGH (77/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • NAMPA, ID (ZIP 83687 Sector) | HIGH (73/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CALDWELL, ID (ZIP 83607 Sector) | HIGH (71/100) | Significant Violation (7 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CALDWELL, ID (ZIP 83607 Sector) | HIGH (68/100) | Significant Violation (7 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • NAMPA, ID (ZIP 83687 Sector) | HIGH (68/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • NAMPA, ID (ZIP 83687 Sector) | HIGH (66/100) | Violation Identified (5 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CALDWELL, ID (ZIP 83605 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CALDWELL, ID (ZIP 83607 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| TETON SALES FREE PREVIEW (LOW RISK) | 518 S KIT AVE, CALDWELL, ID 83605 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| ID UI CAINE VTRC FREE PREVIEW (LOW RISK) | 1020 E HOMEDALE RD, CALDWELL, ID 83605 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| FEARLESS FARRIS STINKER NAMPA 48 FREE PREVIEW (LOW RISK) | 524 12TH AVE RD S, NAMPA, ID 83686 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| HOPPER ELECTRIC SERVICE FREE PREVIEW (LOW RISK) | 912 2ND ST S, NAMPA, ID 83651 | LOW (16/100) | 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, Idaho?
Public U.S. EPA records track 1,040 regulated facilities in Canyon County, Idaho (ranking #3 of 83 jurisdictions in ID). Of those, 21 (2.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 92 (8.8%) have active non-compliance quarters.
Which ZIP codes and cities in Canyon County have the highest regulated facility density?
Within Canyon County, the highest concentrations of EPA-tracked facilities are located in ZIP 83605 (Caldwell, 438 sites), ZIP 83686 (Nampa, 226 sites), ZIP 83660 (Parma, 49 sites), spanning municipal corridors including Nampa (1,030 sites), Parma (48 sites), Wilder (33 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Canyon County?
Across Canyon County, 339 facilities (32.6% 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, ID?
Geologic indoor air screening places Canyon 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, ID?
Federal records track 161 Safe Drinking Water (SDWIS) facilities, 1,274 Clean Water Act NPDES permits, and 288 impaired water dischargers in Canyon 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.