Hanson County, South Dakota — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Hanson County, South Dakota, public U.S. EPA records track 10 regulated facilities (#108 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, 9 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Hanson 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📊 Hanson County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Hanson County
ZIP Codes in Hanson County
Top EPA Regulated Facilities in Hanson 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 • ALEXANDRIA, SD (ZIP 57311 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| ULMER PIT FREE PREVIEW (LOW RISK) | 25254 413TH AVE., MITCHELL, SD 57301 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ROCKPORT HUTTERITE BRETHERN FREE PREVIEW (LOW RISK) | 26209 ROCKPORT RD., ALEXANDRIA, SD 57311 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| P 0025(86)55 FREE PREVIEW (LOW RISK) | ON SD HWY 25 (FROM 260TH ST TO SD HWY 38), EMERY, SD 57332 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| NORTHEAST SUBDIVISION EXTENSIONS FREE PREVIEW (LOW RISK) | PO BOX 157, ALEXANDRIA, SD 57311 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • EMERY, SD (ZIP 57332 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MITCHELL, SD (ZIP 57301 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • ALEXANDRIA, SD (ZIP 57311 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ALEXANDRIA, SD (ZIP 57311 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ALEXANDRIA, SD (ZIP 57311 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Hanson County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Hanson County County, South Dakota?
Public U.S. EPA records track 10 regulated facilities in Hanson County County, South Dakota (ranking #108 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 Hanson County County have the highest regulated facility density?
Within Hanson County County, the highest concentrations of EPA-tracked facilities are located in ZIP 57311 (Alexandria, 15 sites), spanning municipal corridors including Alexandria (15 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Hanson County County?
Across Hanson 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 Hanson County County, SD?
Geologic indoor air screening places Hanson 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 Hanson County County, SD?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 9 Clean Water Act NPDES permits, and 1 impaired water dischargers in Hanson County County, alongside 2 historical FEMA federal disaster declarations (2 flood/storm events).
Does Hanson County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Hanson 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.