Bennett County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Bennett County, SD?
In Bennett County, South Dakota, public U.S. EPA records track 3 regulated facilities (#134 of 134 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, 3 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Bennett 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📊 Bennett County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Bennett County
ZIP Codes in Bennett County
Top EPA Regulated Facilities in Bennett 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 |
|---|---|---|---|---|
| ALLEN ROAD - BIA ROUTE 4 EXTENSION FREE PREVIEW (LOW RISK) | FROM 2 MILE NORTH TO 1 MILE SOUTH OF, ALLEN, SD 57714 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| BENNETT COUNTY HIGH SCHOOL ADDITION FREE PREVIEW (LOW RISK) | 901 FIRST STREET, MARTIN, SD 57551 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 2019 STORM REPAIRS 20-1 FREE PREVIEW (LOW RISK) | BIA 20, ALLEN, SD 57714 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Bennett County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Bennett County County, South Dakota?
Public U.S. EPA records track 3 regulated facilities in Bennett County County, South Dakota (ranking #134 of 134 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 Bennett County County have the highest regulated facility density?
Within Bennett County County, the highest concentrations of EPA-tracked facilities are located in ZIP 57714 (Allen, 5 sites), spanning municipal corridors including Allen (5 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Bennett County County?
Across Bennett 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 Bennett County County, SD?
Geologic indoor air screening places Bennett 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 Bennett County County, SD?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 3 Clean Water Act NPDES permits, and 0 impaired water dischargers in Bennett County County, alongside 3 historical FEMA federal disaster declarations (2 flood/storm events).
Does Bennett County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Bennett County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.