Minnehaha County, South Dakota — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Minnehaha County, South Dakota, public U.S. EPA records track 467 regulated facilities (#3 of 109 in South Dakota), including 2 (0.4%) High-Risk sites and $48,583 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 453 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).
Minnehaha 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📊 Minnehaha County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Minnehaha County
Top EPA Regulated Facilities in Minnehaha 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • BALTIC, SD (ZIP 57003 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BALTIC, SD (ZIP 57003 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • DELL RAPIDS, SD (ZIP 57022 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SIOUX FALLS, SD (ZIP 57107 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SIOUX FALLS, SD (ZIP 57107 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LYONS, SD (ZIP 57041 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • HARTFORD, SD (ZIP 57033 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CORSON, SD (ZIP 57005 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| TWIN RIVERS CROSSING PHASE 1 FREE PREVIEW (LOW RISK) | 1000 SIOUX BOULEVARD, BRANDON, SD 57005 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHERAPA REDEVELOPMENT FREE PREVIEW (LOW RISK) | 300 N CHERAPA PLACE (NE OF ADDRESS), SIOUX FALLS, SD 57101 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| OUTDOOR STORAGE FREE PREVIEW (LOW RISK) | 2208 N NORTH DRIVE, SIOUX FALLS, SD 57106 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| NEW HS & SITE/ATHLETIC IMPROVEMENTS FREE PREVIEW (LOW RISK) | 46450 252ND ST, COLTON, SD 57018 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Minnehaha County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Minnehaha County County, South Dakota?
Public U.S. EPA records track 467 regulated facilities in Minnehaha County County, South Dakota (ranking #3 of 109 jurisdictions in SD). Of those, 2 (0.4%) 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 Minnehaha County County have the highest regulated facility density?
Within Minnehaha County County, the highest concentrations of EPA-tracked facilities are located in ZIP 57104 (Sioux Falls, 404 sites), ZIP 57107 (Sioux Falls, 205 sites), ZIP 57110 (Sioux Falls, 101 sites), spanning municipal corridors including Hartford (41 sites), Crooks (22 sites), Baltic (16 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Minnehaha County County?
Across Minnehaha 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 Minnehaha County County, SD?
Geologic indoor air screening places Minnehaha 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 Minnehaha County County, SD?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 453 Clean Water Act NPDES permits, and 106 impaired water dischargers in Minnehaha County County, alongside 2 historical FEMA federal disaster declarations (2 flood/storm events).
Does Minnehaha County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Minnehaha 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.