Dakota County, Nebraska — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Dakota County, NE?
In Dakota County, Nebraska, public U.S. EPA records track 131 regulated facilities (#23 of 99 in Nebraska), including 7 (5.3%) High-Risk sites and $41,379 in federal penalties. Countywide due diligence also covers 9 Safe Drinking Water (SDWIS) facilities, 21 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Dakota County, NE 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Dakota County, NE Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Dakota County
ZIP Codes in Dakota County
Top EPA Regulated Facilities in Dakota County, NE
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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • SOUTH SIOUX CITY, NE (ZIP 68776 Sector) | HIGH (68/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SOUTH SIOUX CITY, NE (ZIP 68776 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SOUTH SIOUX CITY, NE (ZIP 68776 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SOUTH SIOUX CITY, NE (ZIP 68776 Sector) | MODERATE (56/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SOUTH SIOUX CITY, NE (ZIP 68776 Sector) | MODERATE (55/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • JACKSON, NE (ZIP 68743 Sector) | MODERATE (42/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SOUTH SIOUX CITY, NE (ZIP 68776 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SOUTH SIOUX CITY, NE (ZIP 68776 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| BROYHILL INC FREE PREVIEW (LOW RISK) | ONE N MARKET SQUARE, DAKOTA CITY, NE 68731 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| SIOUX PLATING COMPANY FREE PREVIEW (LOW RISK) | 428 EAST 9TH STREET, SOUTH SIOUX CITY, NE 68776 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| ADM ALLIANCE NUTRITION INC FREE PREVIEW (LOW RISK) | 425 W 39TH ST, SOUTH SIOUX CITY, NE 68776 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| K & B TRANSPORTATION INC FREE PREVIEW (LOW RISK) | 4700 DAKOTA AVE, SOUTH SIOUX CITY, NE 68776 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Dakota County, Nebraska Environmental Due Diligence
How many EPA-regulated environmental sites are in Dakota County, Nebraska?
Public U.S. EPA records track 131 regulated facilities in Dakota County, Nebraska (ranking #23 of 99 jurisdictions in NE). Of those, 7 (5.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 6 (4.6%) have active non-compliance quarters.
Which ZIP codes and cities in Dakota County have the highest regulated facility density?
Within Dakota County, the highest concentrations of EPA-tracked facilities are located in ZIP 68776 (South Sioux City, 79 sites), ZIP 68731 (Dakota City, 22 sites), ZIP 68733 (Emerson, 19 sites), spanning municipal corridors including South Sioux City (78 sites), Dakota City (22 sites), Emerson (19 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Dakota County?
Across Dakota County, 46 facilities (35.1% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).
What is the EPA Radon Zone classification for Dakota County, NE?
Geologic indoor air screening places Dakota County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Dakota County, NE?
Federal records track 9 Safe Drinking Water (SDWIS) facilities, 21 Clean Water Act NPDES permits, and 8 impaired water dischargers in Dakota County, alongside 2 historical FEMA federal disaster declarations (1 flood/storm events).
Does Dakota County, NE have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Dakota County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.