Oglala Lakota County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Oglala Lakota County, SD?
In Oglala Lakota County, South Dakota, public U.S. EPA records track 19 regulated facilities (#74 of 109 in South Dakota), including 2 (10.5%) High-Risk sites and $2,445 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 19 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Oglala Lakota 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📊 Oglala Lakota County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Oglala Lakota County
ZIP Codes in Oglala Lakota County
Top EPA Regulated Facilities in Oglala Lakota 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PORCUPINE, SD (ZIP 57772 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| RED SHIRT COMMUNITY LAGOON FACILITY FREE PREVIEW (LOW RISK) | SW 1/4 S27 T43N R47W, RED SHIRT, SD 57738 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| PORCUPINE DAY SCHOOL LAGOONS FREE PREVIEW (LOW RISK) | 23 PORCUPINE SCHOOL ROAD, PORCUPINE, SD 57772 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| PRAIRIE WINDS CASINO WWTF FREE PREVIEW (LOW RISK) | 112 CASINO DRIVE, PINE RIDGE, SD 57770 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| LITTLE WOUND SCHOOL LAGOONS FREE PREVIEW (LOW RISK) | 39 SUNKA WAKAN WATOGLA AVENUE, KYLE, SD 57752 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE RESERVATION, SD (ZIP 57772 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MANDERSON, SD (ZIP 57756 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • KYLE, SD (ZIP 57752 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • OGLALA, SD (ZIP 57764 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Oglala Lakota County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Oglala Lakota County County, South Dakota?
Public U.S. EPA records track 19 regulated facilities in Oglala Lakota County County, South Dakota (ranking #74 of 109 jurisdictions in SD). Of those, 2 (10.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 2 (10.5%) have active non-compliance quarters.
Which ZIP codes and cities in Oglala Lakota County County have the highest regulated facility density?
Within Oglala Lakota County County, the highest concentrations of EPA-tracked facilities are located in ZIP 57772 (Porcupine, 20 sites), spanning municipal corridors including Porcupine (16 sites), Pine Ridge Reservation (3 sites), Red Shirt (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Oglala Lakota County County?
Across Oglala Lakota County County, 1 facilities (5.3% 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 Oglala Lakota County County, SD?
Geologic indoor air screening places Oglala Lakota 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 Oglala Lakota County County, SD?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 19 Clean Water Act NPDES permits, and 0 impaired water dischargers in Oglala Lakota County County, alongside 1 historical FEMA federal disaster declarations (0 flood/storm events).
Does Oglala Lakota County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Oglala Lakota 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.