Roberts County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Roberts County, SD?
In Roberts County, South Dakota, public U.S. EPA records track 28 regulated facilities (#52 of 109 in South Dakota), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 27 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Roberts 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📊 Roberts County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Roberts County
ZIP Codes in Roberts County
Top EPA Regulated Facilities in Roberts 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 • SISSETON, SD (ZIP 57262 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| WILMOT INTERSTATE REST AREA FREE PREVIEW (LOW RISK) | 45911 SD HWY 15, WILMOT, SD 57279 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| ROBERTS COUNTY, P 0010(91)358 & A 6380( ), PCN 028U & X04V FREE PREVIEW (LOW RISK) | SD HIGHWAY 10, SISSETON, SD 57262 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| BIG STONE SOUTH TO ELLENDALE 345 KV TRANSMISSION LINE FREE PREVIEW (LOW RISK) | 10 MI. SOUTHWEST OF SUMMIT, SUMMIT, SD 57266 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| MICHELS PAVING I-29 FREE PREVIEW (LOW RISK) | 46102 SD-10, SISSETON, SD 57262 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PEEVER, SD (ZIP 57257 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SUMMIT, SD (ZIP 57266 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • AGENCY VILLAGE, SD (ZIP 57262 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SISSETON, SD (ZIP 57262 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WILMOT, SD (ZIP 57279 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SISSETON, SD (ZIP 57262 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • NEW EFFINGTON, SD (ZIP 57255 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Roberts County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Roberts County County, South Dakota?
Public U.S. EPA records track 28 regulated facilities in Roberts County County, South Dakota (ranking #52 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 Roberts County County have the highest regulated facility density?
Within Roberts County County, the highest concentrations of EPA-tracked facilities are located in ZIP 57262 (Agency Village, 39 sites), ZIP 57279 (Wilmot, 7 sites), ZIP 57257 (Peever, 4 sites), spanning municipal corridors including Agency Village (16 sites), Wilmot (7 sites), Peever (3 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Roberts County County?
Across Roberts County 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 Roberts County County, SD?
Geologic indoor air screening places Roberts 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 Roberts County County, SD?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 27 Clean Water Act NPDES permits, and 0 impaired water dischargers in Roberts County County, alongside 3 historical FEMA federal disaster declarations (2 flood/storm events).
Does Roberts County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Roberts 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.