Douglas County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Douglas County, SD?
In Douglas County, South Dakota, public U.S. EPA records track 7 regulated facilities (#115 of 115 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, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Douglas 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📊 Douglas County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Douglas County
ZIP Codes in Douglas County
Top EPA Regulated Facilities in Douglas 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 |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CORSICA, SD (ZIP 57328 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| PCN 084T FREE PREVIEW (LOW RISK) | 4 MILES W ON 280TH ST, AMOUR, SD 57313 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| TRAVIS DELANGE AG WASTE SYSTEM FREE PREVIEW (LOW RISK) | 27658 381ST AVENUE, CORSICA, SD 57328 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| CORSICA HIGH SCHOOL ADDITION FREE PREVIEW (LOW RISK) | 120 S NAPOLEON ST, CORSICA, SD 57328 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| PH 0044(184)330 DOUGLAS & HUTCHINSON FREE PREVIEW (LOW RISK) | SD HIGHWAY 44 (WEST), PARKSTON, SD 57366 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ARMOUR, SD (ZIP 57313 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • DELMONT, SD (ZIP 57330 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Douglas County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Douglas County County, South Dakota?
Public U.S. EPA records track 7 regulated facilities in Douglas County County, South Dakota (ranking #115 of 115 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 Douglas County County have the highest regulated facility density?
Within Douglas County County, the highest concentrations of EPA-tracked facilities are located in ZIP 57328 (Corsica, 11 sites), spanning municipal corridors including Corsica (11 sites), Amour (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Douglas County County?
Across Douglas 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 Douglas County County, SD?
Geologic indoor air screening places Douglas 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 Douglas County County, SD?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 6 Clean Water Act NPDES permits, and 0 impaired water dischargers in Douglas County County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Douglas County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Douglas 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.