Davis County, South Dakota — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Davis 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, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Davis 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📊 Davis County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)Municipalities in Davis County
ZIP Codes in Davis County
Top EPA Regulated Facilities in Davis 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 |
|---|---|---|---|---|
| SKYVIEW JUNCTION FREE PREVIEW (LOW RISK) | , ELKTON, SD 57026 | LOW (10/100) | Inactive (0 qtrs NC) | $0 |
Frequently Asked Questions — Davis County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Davis County, South Dakota?
Public U.S. EPA records track 1 regulated facilities in Davis 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 Davis County have the highest regulated facility density?
Within Davis County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Davis.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Davis County?
Across Davis 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 Davis County, SD?
Geologic indoor air screening places Davis 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 Davis County, SD?
Federal records track 1 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water dischargers in Davis County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Davis County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Davis 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.