Murray County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Murray County, SD?
In Murray County, South Dakota, public U.S. EPA records track 1 regulated facilities (#149 of 149 in South Dakota), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 0 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).
Murray 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📊 Murray County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Murray County
ZIP Codes in Murray County
Top EPA Regulated Facilities in Murray 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 |
|---|---|---|---|---|
| VALHALLA ISLAND CAMPGROUND-SOFTENER FREE PREVIEW (LOW RISK) | PO BOX 89921, SIOUX FALLS, SD 57109 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Murray County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Murray County, South Dakota?
Public U.S. EPA records track 1 regulated facilities in Murray County, South Dakota (ranking #149 of 149 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 Murray County have the highest regulated facility density?
Within Murray County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Murray.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Murray County?
Across Murray 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 Murray County, SD?
Geologic indoor air screening places Murray 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 Murray County, SD?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water dischargers in Murray County, alongside 15 historical FEMA federal disaster declarations (8 flood/storm events).
Does Murray County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Murray 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.