ZIP 51105 (Sioux City, IA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 51105 in Sioux City, Iowa (Woodbury County) has 74 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 1 active violators, and $4,775 in federal penalties. Beyond industrial pollution, properties in ZIP 51105 are screened across 2 historical Woodbury County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (1), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 51105 (Sioux City, IA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 51105 (Sioux City, IA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 51105 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 51105 (Sioux City, IA)
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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51105 Sector) | MODERATE (49/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51105 Sector) | MODERATE (35/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51105 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51105 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51105 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51105 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51105 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51105 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| BNSF RAILWAY SIOUX CITY YARD FREE PREVIEW (LOW RISK) | 1801 HIGHWAY 75 NORTH, SIOUX CITY, IA 51105 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| MISSOURI VALLEY STEEL COMPANY FREE PREVIEW (LOW RISK) | 1300 DIVISION ST., SIOUX CITY, IA 51105 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WISNERS RENTALS INC FREE PREVIEW (LOW RISK) | 2830 HWY 75 N, SIOUX CITY, IA 51105 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BNSF FORMER RECYCLETRONICS FREE PREVIEW (LOW RISK) | 3035 HWY 75 N, SIOUX CITY, IA 51105 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 51105 (Sioux City, IA) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 51105 (Sioux City, IA)?
ZIP code 51105 (Sioux City, IA) contains 74 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 1 (1.4%) have active compliance violations, and 49 (66.2%) handle RCRA hazardous waste.
How does ZIP 51105 compare to Woodbury County and Iowa averages?
In ZIP 51105, 0.0% of regulated sites are rated High Risk, compared to 0.8% across Woodbury County and 1.6% statewide in Iowa.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 51105?
Geologic screening places ZIP 51105 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 51105 (Sioux City, IA) in a FEMA flood zone and what is the flood disaster history?
Woodbury County has recorded 2 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 51105 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 51105 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 51105 indicates a MODERATE shrink-swell risk signal. Within ZIP 51105, federal registries track 0 SDWIS drinking water facilities, 1 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.