ZIP 83353 (Sun Valley, ID) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 83353 in Sun Valley, Idaho (Blaine County) has 22 EPA-tracked facilities, including 1 High-Risk sites (4.5%), 1 active violators, and $48,600 in federal penalties. Beyond industrial pollution, properties in ZIP 83353 are screened across 1 historical Blaine County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (20), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 83353 (Sun Valley, 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 83353 (Sun Valley, ID) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 83353 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 83353 (Sun Valley, 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 • SUN VALLEY, ID (ZIP 83353 Sector) | HIGH (64/100) | Violation Identified (7 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| CROWN RANCH RESIDENCES PHASE 5 FREE PREVIEW (LOW RISK) | 3.29@ SEC 21, 4N 18E, SUN VALLEY, ID 83353 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| KETCHUM LOOP PHASE 2 FREE PREVIEW (LOW RISK) | CITY OF KETCHUM, KETCHUM, ID 83353 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| SH-75 - MAIN ST KETCHUM FREE PREVIEW (LOW RISK) | INTERSECTION OF SH 75 AND SUN VALLEY RD, SUN VALLEY, ID 83353 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| NEW SINGLE FAMILY RESIDENCE FOR BRUCE THOMPSON FREE PREVIEW (LOW RISK) | 112 KEYSTONE ST LOT 77, SUN VALLEY, ID 83353 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SUN VALLEY, ID (ZIP 83353 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SUN VALLEY, ID (ZIP 83353 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SUN VALLEY, ID (ZIP 83353 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SUN VALLEY, ID (ZIP 83353 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SUN VALLEY, ID (ZIP 83353 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SUN VALLEY, ID (ZIP 83353 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SUN VALLEY, ID (ZIP 83353 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 83353 (Sun Valley, 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 83353 (Sun Valley, ID)?
ZIP code 83353 (Sun Valley, ID) contains 22 EPA-tracked facilities, of which 1 (4.5%) are classified in the High-Risk tier, 1 (4.5%) have active compliance violations, and 2 (9.1%) handle RCRA hazardous waste.
How does ZIP 83353 compare to Blaine County and Idaho averages?
In ZIP 83353, 4.5% of regulated sites are rated High Risk, compared to 3.0% across Blaine County and 1.9% statewide in Idaho.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 83353?
Geologic screening places ZIP 83353 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 83353 (Sun Valley, ID) in a FEMA flood zone and what is the flood disaster history?
Blaine County has recorded 1 historical FEMA federal disaster declarations (0 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 83353 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 83353 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 83353 indicates a MODERATE shrink-swell risk signal. Within ZIP 83353, federal registries track 1 SDWIS drinking water facilities, 19 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.