Douglas County, South Dakota — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Douglas County, South Dakota, public U.S. EPA records track 27 regulated facilities (#54 of 109 in South Dakota), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 5 Safe Drinking Water (SDWIS) facilities, 13 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 01, 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 • ARMOUR, SD (ZIP 57313 Sector) | MODERATE (30/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CORSICA, SD (ZIP 57328 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CORSICA, SD (ZIP 57328 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • , SD (ZIP Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • , SD (ZIP Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • , SD (ZIP 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 • PIERRE, SD (ZIP 57501 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| DEA - CLANDESTINE DRUG LAB FREE PREVIEW (LOW RISK) | 165 PHEASANT VIEW, CORSICA, SD 57328 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| TRAIL-EZE INC FREE PREVIEW (LOW RISK) | 27152 US HIGHWAY 281, CORSICA, SD 57328 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHS FARMERS ALLIANCE FREE PREVIEW (LOW RISK) | 120 E MAIN, CORSICA, SD 57328 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DEAN'S AUTO BODY FREE PREVIEW (LOW RISK) | 1106 BRADDOCK STREET, ARMOUR, SD 57313 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CORSICA, SD (ZIP 57328 Sector) | LOW (16/100) | 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, South Dakota?
Public U.S. EPA records track 27 regulated facilities in Douglas County, South Dakota (ranking #54 of 109 jurisdictions in SD). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 1 (3.7%) have active non-compliance quarters.
Which ZIP codes and cities in Douglas County have the highest regulated facility density?
Within Douglas County, the highest concentrations of EPA-tracked facilities are located in ZIP 57313 (Armour, 11 sites), ZIP 57330 (Delmont, City Of, 8 sites), spanning municipal corridors including Armour (10 sites), Delmont, City Of (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Douglas County?
Across Douglas County, 10 facilities (37.0% 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, SD?
Geologic indoor air screening places Douglas 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, SD?
Federal records track 5 Safe Drinking Water (SDWIS) facilities, 13 Clean Water Act NPDES permits, and 0 impaired water dischargers in Douglas 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.