Wright County, South Dakota — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Wright County, South Dakota, public U.S. EPA records track 15 regulated facilities (#90 of 109 in South Dakota), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 2 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).
Wright 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📊 Wright County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Wright County
ZIP Codes in Wright County
Top EPA Regulated Facilities in Wright 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 |
|---|---|---|---|---|
| PROGRESSIVE CONTRACTORS INC FREE PREVIEW (LOW RISK) | PO BOX 416, SOUTH DAKOTA, SD 55376 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| INTEX CORPORATION FREE PREVIEW (LOW RISK) | PO BOX 260, SOUTH DAKOTA, SD 55301 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
| LDS CHURCH - OTSEGO-IRON - AERATION LARGE TANK FREE PREVIEW (LOW RISK) | PO BOX 394, BRANDON, SD 57005 | LOW (9/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Wright County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Wright County, South Dakota?
Public U.S. EPA records track 15 regulated facilities in Wright County, South Dakota (ranking #90 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 Wright County have the highest regulated facility density?
Within Wright County, the highest concentrations of EPA-tracked facilities are located in ZIP 57005 (Brandon, 90 sites), spanning municipal corridors including Brandon (85 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Wright County?
Across Wright 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 Wright County, SD?
Geologic indoor air screening places Wright 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 Wright County, SD?
Federal records track 2 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water dischargers in Wright County, alongside 15 historical FEMA federal disaster declarations (8 flood/storm events).
Does Wright County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Wright 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.