Shannon County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Shannon County, SD?
In Shannon County, South Dakota, public U.S. EPA records track 32 regulated facilities (#47 of 109 in South Dakota), including 0 (0.0%) High-Risk sites and $1,630 in federal penalties. Countywide due diligence also covers 19 Safe Drinking Water (SDWIS) facilities, 40 Clean Water NPDES permits, 15 FEMA Federal Disaster Declarations (8 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Shannon 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📊 Shannon County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Shannon County
ZIP Codes in Shannon County
Top EPA Regulated Facilities in Shannon 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 • PORCUPINE, SD (ZIP 57772 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • RED SHIRT, SD (ZIP 57744 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 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 • PORCUPINE, SD (ZIP 57772 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ALLEN, SD (ZIP 57714 Sector) | MODERATE (29/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • , SD (ZIP Sector) | MODERATE (21/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PORCUPINE, SD (ZIP 57772 Sector) | MODERATE (19/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| PIYA WICONI FREE PREVIEW (LOW RISK) | 490 PIYA WICONI ROAD, KYLE, SD 57752 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| US EPA CLEANUP PINE RIDGE PESTICIDES FREE PREVIEW (LOW RISK) | BIA ROAD 2, PINE RIDGE, SD 57770 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| PORCUPINE CREEK DRUM CLEANUP (FORMER) FREE PREVIEW (LOW RISK) | HWY 407, PINE RIDGE, SD 57770 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| PORCUPINE CLINIC FREE PREVIEW (LOW RISK) | N 43 14.316� AND W 102 19.698�, PORCUPINE, SD 57772 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Shannon County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Shannon County, South Dakota?
Public U.S. EPA records track 32 regulated facilities in Shannon County, South Dakota (ranking #47 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 Shannon County have the highest regulated facility density?
Within Shannon County, the highest concentrations of EPA-tracked facilities are located in ZIP 57752 (Kyle, 15 sites), ZIP 57716 (Batesland, 2 sites), spanning municipal corridors including Kyle (14 sites), Batesland (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Shannon County?
Across Shannon County, 16 facilities (50.0% 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 Shannon County, SD?
Geologic indoor air screening places Shannon 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 Shannon County, SD?
Federal records track 19 Safe Drinking Water (SDWIS) facilities, 40 Clean Water Act NPDES permits, and 0 impaired water dischargers in Shannon County, alongside 15 historical FEMA federal disaster declarations (8 flood/storm events).
Does Shannon County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Shannon 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.