ZIP 83871 (Troy, ID) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 83871 in Troy, Idaho (Latah County) has 12 EPA-tracked facilities, including 1 High-Risk sites (8.3%), 3 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 83871 are screened across 4 historical Latah County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (9), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 83871 (Troy, ID) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 83871 (Troy, ID) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 83871 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 83871 (Troy, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • TROY, ID (ZIP 83871 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • TROY, ID (ZIP 83871 Sector) | MODERATE (43/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • TROY, ID (ZIP 83871 Sector) | MODERATE (31/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| IMPROVEMENTS TO LATAH TRAIL FREE PREVIEW (LOW RISK) | N/A, TROY, ID 83871 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| WILBUR-ELLIS COMPANY TROY FREE PREVIEW (LOW RISK) | 113 ID-8, TROY, ID 83871 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WILDERLEA SUBDIVISION WWTF FREE PREVIEW (LOW RISK) | DRISCOLL RIDGE RD, TROY, ID 83871 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BIG MEADOW CREEK SHARROCK BECKER FREE PREVIEW (LOW RISK) | 1001 UMBARGER RD, TROY, ID 83871 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • TROY, ID (ZIP 83871 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • TROY, ID (ZIP 83871 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • TROY, ID (ZIP 83871 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • TROY, ID (ZIP 83871 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • TROY, ID (ZIP 83871 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 83871 (Troy, ID) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 83871 (Troy, ID)?
ZIP code 83871 (Troy, ID) contains 12 EPA-tracked facilities, of which 1 (8.3%) are classified in the High-Risk tier, 3 (25.0%) have active compliance violations, and 2 (16.7%) handle RCRA hazardous waste.
How does ZIP 83871 compare to Latah County and Idaho averages?
In ZIP 83871, 8.3% of regulated sites are rated High Risk, compared to 5.5% across Latah County and 1.9% statewide in Idaho.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 83871?
Geologic screening places ZIP 83871 in EPA Zone 1 — High Potential (> 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 83871 (Troy, ID) in a FEMA flood zone and what is the flood disaster history?
Latah County has recorded 4 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 83871 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 83871 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 83871 indicates a MODERATE shrink-swell risk signal. Within ZIP 83871, federal registries track 1 SDWIS drinking water facilities, 8 Clean Water NPDES permits, and 6 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.