Ziebach County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Ziebach County, SD?
In Ziebach County, South Dakota, public U.S. EPA records track 5 regulated facilities (#126 of 126 in South Dakota), including 0 (0.0%) High-Risk sites and $2,445 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 9 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Ziebach 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📊 Ziebach County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Ziebach County
ZIP Codes in Ziebach County
Top EPA Regulated Facilities in Ziebach 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 • DUPREE, SD (ZIP 57623 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • , SD (ZIP Sector) | MODERATE (22/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| RED SCAFFOLD WASTEWATER FACILITY FREE PREVIEW (LOW RISK) | T9 R18 S5, EAGLE BUTTE, SD 57625 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| DUPREE OIL CO. FREE PREVIEW (LOW RISK) | MAIN STREET, HIGHWY 12, DUPREE, SD 57623 | LOW (9/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Ziebach County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Ziebach County, South Dakota?
Public U.S. EPA records track 5 regulated facilities in Ziebach County, South Dakota (ranking #126 of 126 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 Ziebach County have the highest regulated facility density?
Within Ziebach County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Ziebach.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Ziebach County?
Across Ziebach 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 Ziebach County, SD?
Geologic indoor air screening places Ziebach 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 Ziebach County, SD?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 9 Clean Water Act NPDES permits, and 4 impaired water dischargers in Ziebach County, alongside 1 historical FEMA federal disaster declarations (0 flood/storm events).
Does Ziebach County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Ziebach County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.