ZIP 83858 (Twin Lakes, ID) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 83858 in Twin Lakes, Idaho (Kootenai County) has 68 EPA-tracked facilities, including 2 High-Risk sites (2.9%), 11 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 83858 are screened across 3 historical Kootenai County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (44), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 83858 (Twin Lakes, 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 83858 (Twin Lakes, ID) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 83858 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 2 High-Risk and 11 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 83858 (Twin Lakes, 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 • RATHDRUM, ID (ZIP 83858 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • RATHDRUM, ID (ZIP 83858 Sector) | MODERATE (49/100) | Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • RATHDRUM, ID (ZIP 83858 Sector) | MODERATE (46/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • RATHDRUM, ID (ZIP 83858 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • RATHDRUM, ID (ZIP 83858 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • RATHDRUM, ID (ZIP 83858 Sector) | MODERATE (35/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • RATHDRUM, ID (ZIP 83858 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • RATHDRUM, ID (ZIP 83858 Sector) | MODERATE (33/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| RATHDRUM POWER PLANT FREE PREVIEW (LOW RISK) | 9924 W LANCASTER RD, RATHDRUM, ID 83858 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| RATHDRUM COMBUSTION TURBINE PROJECT FREE PREVIEW (LOW RISK) | 5999 W BOEKEL RD, RATHDRUM, ID 83858 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| WEAVER INDUSTRIES INC FREE PREVIEW (LOW RISK) | 668 BOEKEL RD, RATHDRUM, ID 83858 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| INTERMOUNTAIN SIGN SAFETY FREE PREVIEW (LOW RISK) | 22515 ID-53, RATHDRUM, ID 83858 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 83858 (Twin Lakes, 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 83858 (Twin Lakes, ID)?
ZIP code 83858 (Twin Lakes, ID) contains 68 EPA-tracked facilities, of which 2 (2.9%) are classified in the High-Risk tier, 11 (16.2%) have active compliance violations, and 20 (29.4%) handle RCRA hazardous waste.
How does ZIP 83858 compare to Kootenai County and Idaho averages?
In ZIP 83858, 2.9% of regulated sites are rated High Risk, compared to 1.5% across Kootenai County and 1.9% statewide in Idaho.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 83858?
Geologic screening places ZIP 83858 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 83858 (Twin Lakes, ID) in a FEMA flood zone and what is the flood disaster history?
Kootenai County has recorded 3 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 83858 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 83858 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 83858 indicates a MODERATE shrink-swell risk signal. Within ZIP 83858, federal registries track 26 SDWIS drinking water facilities, 18 Clean Water NPDES permits, and 4 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.