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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • SIOUX CITY, IA

Sioux City, Iowa — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in Sioux City, IA?

Public U.S. EPA records track 370 regulated facilities in Sioux City, Iowa (Woodbury County), including 2 High-Risk sites (0.5%) and 5 active violators. In addition to industrial waste, Sioux City properties are screened for Tap Water & Watershed Permits (31 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 2 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites
370
High-Risk (0.5% vs 1.6% State)
2
Active Violators (1.4%)
5
Drinking & Clean Water
31
Federal Penalties
$27,875

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
🌊 Flood Zone & FEMA Disaster History
Woodbury County: 2 FEMA Declarations (1 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: Low
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
5 SDWIS Systems • 26 NPDES Permits
🔒 15 Impaired Water (303d) & 13 Violation Dockets 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

📊 Sioux City, IA Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 266 (71.9%)
Clean Water (NPDES) & Drinking Water (SDWIS) 31 (8.4%)
Active EPA Non-Compliance Dockets 5 (1.4%)
High-Risk Enforcement Facilities 2 (0.5%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (83.3/100)
🌊 Flood Exposure 5/10 • Moderate Hazard
🔥 Wildfire Hazard 3/10 • Low Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. City vs. County & State Benchmark
Sioux City High-Risk Rate 0.5%
Woodbury County Average 0.8%
Iowa (IA) Statewide Avg 1.6%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in Sioux City →

ZIP Codes in Sioux City, IA

ZIP 51101 (79 sites • 1 High Risk) ZIP 51105 (74 sites • 0 High Risk) ZIP 51106 (70 sites • 0 High Risk) ZIP 51103 (49 sites • 0 High Risk) ZIP 51111 (49 sites • 1 High Risk) ZIP 51102 (23 sites • 0 High Risk) ZIP 51108 (18 sites • 0 High Risk) ZIP 51104 (16 sites • 0 High Risk) ZIP 51109 (4 sites • 0 High Risk)

Highest-Scored EPA Regulated Facilities in 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).

Unlock Full Sioux City Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Tier & Score Compliance Status Enforcement / Unlock
🔒 Locked Regulated EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51101 Sector) MODERATE (53/100) Violation Identified (10 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51111 Sector) MODERATE (51/100) Resolved / Historical Non-Compliance (2 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 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 #4 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51101 Sector) MODERATE (36/100) Violation Identified (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 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 #6 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51111 Sector) MODERATE (35/100) Resolved / Historical Non-Compliance (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51101 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • SIOUX CITY, IA (ZIP 51103 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
IPC INTERSTATE POWDER COATINGS FREE PREVIEW (LOW RISK) 1400 W 1ST ST, SIOUX CITY, IA 51103 LOW (20/100) No Violation Identified (0 qtrs NC) $0
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
BINBO BAKERIES INC FREE PREVIEW (LOW RISK) 1500 N HIGHWAY 75, SIOUX CITY, IA 51102 LOW (19/100) No Violation Identified (0 qtrs NC) $0
UNITYPOINT HEALTH ST LUKES DOWNTOWN FREE PREVIEW (LOW RISK) 2720 STONE PARK BOULEVARD, SIOUX CITY, IA 51104 LOW (19/100) No Violation Identified (0 qtrs NC) $0
🔒 + 358 Additional Regulated & Enforcement Records in Sioux City, IA Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Sioux City, Iowa Environmental Risk & Radon

How many EPA-regulated facilities are in Sioux City, IA?

U.S. EPA records track 370 regulated facilities in Sioux City, Iowa, including 2 high-risk sites (0.5%), 5 active violators (1.4%), and 266 RCRA hazardous waste handlers (71.9%).

Which ZIP codes in Sioux City, IA have the most EPA-tracked sites?

Within Sioux City, regulated facilities are primarily concentrated across ZIP 51101 (79 sites), ZIP 51105 (74 sites), ZIP 51106 (70 sites), ZIP 51103 (49 sites).

How can I check a specific house or commercial property in Sioux City, IA?

Enter the exact street address in Sioux City into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Is tap water safe in Sioux City, IA and how many EPA water permits exist?

In Sioux City, IA, federal registries track 5 Safe Drinking Water (SDWIS) facilities, 26 Clean Water Act NPDES permits, and 15 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Sioux City, IA?

USDA regional soil screening for Sioux City indicates a MODERATE shrink-swell foundation signal, and Woodbury County has recorded 2 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.

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