PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
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6-IN-1 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 83631

ZIP 83631 (Idaho City, ID) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 83631 →

ZIP code 83631 in Idaho City, Idaho (Boise County) has 11 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 3 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 83631 are screened across 11 historical Boise County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (7), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites in 83631
11
High-Risk (0.0% vs 0.8% County)
0
Active Violators (27.3%)
3
Drinking & Clean Water
7
Federal Penalties
$0

ZIP 83631 (Idaho City, ID) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
Boise County: 11 FEMA Declarations (3 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Unlock Parcel Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
3 SDWIS Systems • 4 NPDES Permits
🔒 3 Impaired Water (303d) & 3 Violation Dockets in 83631 Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 ZIP 83631 (Idaho City, ID) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. ZIP 83631 Regulatory & Water Mix
RCRA Hazardous Waste Generators 4 (36.4%)
Clean Water (NPDES) & Drinking Water (SDWIS) 7 (63.6%)
Active EPA Non-Compliance Dockets 3 (27.3%)
High-Risk Enforcement Facilities 0 (0.0%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (48.9/100)
🌊 Flood Exposure 3/10 • Low Hazard
🔥 Wildfire Hazard 5/10 • Moderate Hazard
☀️ Extreme Heat 1/10 • Very Low Hazard
🌪️ Severe Wind / Storm 3/10 • Low Hazard
🫨 USGS Earthquake 1/10 • Very Low Hazard
3. ZIP 83631 vs. County & State Benchmark
ZIP 83631 High-Risk Rate 0.0%
Boise County Average 0.8%
Idaho (ID) Statewide Avg 1.9%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Unlock Full 6-in-1 Property Report for 83631 →

ZIP 83631 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 0 High-Risk and 3 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 0 High-Risk & 3 Violation Pin Coordinates Redacted in ZIP 83631 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 83631 (Idaho City, ID)

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full ZIP 83631 Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Score (0–100) Compliance Status Enforcement / Unlock
🔒 Locked Regulated EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • IDAHO CITY, ID (ZIP 83631 Sector) MODERATE (36/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • IDAHO CITY, ID (ZIP 83631 Sector) MODERATE (35/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • IDAHO CITY, ID (ZIP 83631 Sector) MODERATE (30/100) Inactive (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
MORES CREEK SUBDIVISION NO. 2 FREE PREVIEW (LOW RISK) NUGGET COURT, IDAHO CITY, ID 83631 LOW (18/100) 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
PERLINKSI DRIVEWAY (WOOD BROTHERS) FREE PREVIEW (LOW RISK) 27 SH21, IDAHO CITY, ID 83631 LOW (17/100) No Violation Identified (0 qtrs NC) $0
EKRT OH TO UG FREE PREVIEW (LOW RISK) GRIMES CREEK PASS RD, CENTERVILLE, ID 83631 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • IDAHO CITY, ID (ZIP 83631 Sector) LOW (16/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • IDAHO CITY, ID (ZIP 83631 Sector) LOW (16/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • IDAHO CITY, ID (ZIP 83631 Sector) LOW (15/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • BOISE, ID (ZIP 83631 Sector) LOW (11/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →

Frequently Asked Questions — ZIP 83631 (Idaho City, 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 83631 (Idaho City, ID)?

ZIP code 83631 (Idaho City, ID) contains 11 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 3 (27.3%) have active compliance violations, and 4 (36.4%) handle RCRA hazardous waste.

How does ZIP 83631 compare to Boise County and Idaho averages?

In ZIP 83631, 0.0% of regulated sites are rated High Risk, compared to 0.8% across Boise County and 1.9% statewide in Idaho.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 83631?

Geologic screening places ZIP 83631 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 83631 (Idaho City, ID) in a FEMA flood zone and what is the flood disaster history?

Boise County has recorded 11 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 83631 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 83631 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 83631 indicates a LOW shrink-swell risk signal. Within ZIP 83631, federal registries track 3 SDWIS drinking water facilities, 4 Clean Water NPDES permits, and 3 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.

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