Aurora County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Aurora County, SD?
In Aurora County, South Dakota, public U.S. EPA records track 6 regulated facilities (#120 of 120 in South Dakota), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 6 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Aurora County, SD 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Aurora County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Aurora County
ZIP Codes in Aurora County
Top EPA Regulated Facilities in Aurora County, SD
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 |
|---|---|---|---|---|
| SDDOT OFFICE & MAINTENANCE SHOP FREE PREVIEW (LOW RISK) | I90 EXIT 310 NEAR PLANKINTON, PLANKINTON, SD 57368 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| BRO 8002(00) FREE PREVIEW (LOW RISK) | FROM PLANKINTON - 2 MILES NORTH ON US 81, 3 MILES, PLANKINTON, SD 57368 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| M 0906(75)263 / 2020 2 ( ) FREE PREVIEW (LOW RISK) | FROM CHAMBERLAIN TO MONTROSE EXIT (EXIT 374), WHITE LAKE, SD 57383 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| AURORA COUNTY STRUCTURE REPLACEMENT - PCN 08WT FREE PREVIEW (LOW RISK) | 264TH STREET AND 372ND AVENUE, WHITE LAKE, SD 57383 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • STICKNEY, SD (ZIP 57375 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WHITE LAKE, SD (ZIP 57383 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Aurora County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Aurora County County, South Dakota?
Public U.S. EPA records track 6 regulated facilities in Aurora County County, South Dakota (ranking #120 of 120 jurisdictions in SD). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Aurora County County have the highest regulated facility density?
Within Aurora County County, the highest concentrations of EPA-tracked facilities are located in ZIP 57368 (Plankinton, 13 sites), ZIP 57375 (Stickney, 6 sites), spanning municipal corridors including Plankinton (13 sites), Stickney (6 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Aurora County County?
Across Aurora County County, 0 facilities (0.0% 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 Aurora County County, SD?
Geologic indoor air screening places Aurora County 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 Aurora County County, SD?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 6 Clean Water Act NPDES permits, and 0 impaired water dischargers in Aurora County County, alongside 2 historical FEMA federal disaster declarations (2 flood/storm events).
Does Aurora County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Aurora County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.