Harding County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Harding County, SD?
In Harding County, South Dakota, public U.S. EPA records track 15 regulated facilities (#90 of 109 in South Dakota), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 4 Safe Drinking Water (SDWIS) facilities, 6 Clean Water NPDES permits, 15 FEMA Federal Disaster Declarations (8 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Harding 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📊 Harding County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Harding County
ZIP Codes in Harding County
Top EPA Regulated Facilities in Harding 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 • BUFFALO, SD (ZIP 57720 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| KOCH EXPLORATION CO (FORMER) FREE PREVIEW (LOW RISK) | HC 67 BOX 17, BUFFALO, SD 57720 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| AMERICAN TEL & TEL CO LONG LINES FREE PREVIEW (LOW RISK) | RURAL ROUTE, LUDLOW, SD 57755 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| WBI WEST SHORT PINE HILLS COMPRESSOR STATION FREE PREVIEW (LOW RISK) | T16N R2E SEC 7 LOT 4, CAMP CROOK, SD 57724 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| BUFFALO FREE PREVIEW (LOW RISK) | , , SD | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BUFFALO, SD (ZIP 57720 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • BUFFALO, SD (ZIP Sector) | LOW (12/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CAMP CROOK, SD (ZIP 57724 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • BUFFALO, SD (ZIP 57720 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BUFFALO, SD (ZIP 57720 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • BUFFALO, SD (ZIP 57720 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CAMP CROOK, SD (ZIP 57724 Sector) | LOW (11/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Harding County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Harding County, South Dakota?
Public U.S. EPA records track 15 regulated facilities in Harding County, South Dakota (ranking #90 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 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Harding County have the highest regulated facility density?
Within Harding County, the highest concentrations of EPA-tracked facilities are located in ZIP 57720 (Buffalo, 8 sites), ZIP 57724 (Camp Crook, 5 sites), ZIP 57755 (Ludlow, 5 sites), spanning municipal corridors including Buffalo (9 sites), Camp Crook (6 sites), Redig (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Harding County?
Across Harding County, 4 facilities (26.7% 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 Harding County, SD?
Geologic indoor air screening places Harding 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 Harding County, SD?
Federal records track 4 Safe Drinking Water (SDWIS) facilities, 6 Clean Water Act NPDES permits, and 2 impaired water dischargers in Harding County, alongside 15 historical FEMA federal disaster declarations (8 flood/storm events).
Does Harding County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Harding County indicates a MODERATE 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.