Charles Mix County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Charles Mix County, SD?
In Charles Mix County, South Dakota, public U.S. EPA records track 67 regulated facilities (#20 of 109 in South Dakota), including 1 (1.5%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 9 Safe Drinking Water (SDWIS) facilities, 45 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).
Charles Mix 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📊 Charles Mix County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Charles Mix County
ZIP Codes in Charles Mix County
Top EPA Regulated Facilities in Charles Mix 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 • PLATTE, SD (ZIP 57369 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WAGNER, SD (ZIP 57380 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LAKE ANDES, SD (ZIP 57356 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WAGNER, SD (ZIP 57380 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PLATTE, SD (ZIP 57369 Sector) | MODERATE (25/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LAKE ANDES, SD (ZIP 57356 Sector) | MODERATE (21/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| RY'S AUTOMOTIVE FREE PREVIEW (LOW RISK) | 400 W. 7TH ST., PLATTE, SD 57369 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| STATE OF SOUTH DAKOTA DEPARTMENT OF THE MILITARY SDARNG - OMS 11 WAGNER FREE PREVIEW (LOW RISK) | 610 E HWY 50, WAGNER, SD 57380 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DEA - CLANDESTINE DRUG LAB FREE PREVIEW (LOW RISK) | 270 5TH AVENUE, LAKE ANDES, SD 57356 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| TRIPP/DELMONT SCHOOL DISTRICT FREE PREVIEW (LOW RISK) | 105 S SLOAN, TRIPP, SD 57376 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WAGNER, SD (ZIP 57380 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PLATTE, SD (ZIP 57369 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Charles Mix County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Charles Mix County, South Dakota?
Public U.S. EPA records track 67 regulated facilities in Charles Mix County, South Dakota (ranking #20 of 109 jurisdictions in SD). Of those, 1 (1.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 1 (1.5%) have active non-compliance quarters.
Which ZIP codes and cities in Charles Mix County have the highest regulated facility density?
Within Charles Mix County, the highest concentrations of EPA-tracked facilities are located in ZIP 57356 (Lake Andes, 27 sites), ZIP 57369 (Platte, 26 sites), ZIP 57380 (Wagner, 21 sites), spanning municipal corridors including Platte (25 sites), Lake Andes (23 sites), Wagner (22 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Charles Mix County?
Across Charles Mix County, 25 facilities (37.3% 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 Charles Mix County, SD?
Geologic indoor air screening places Charles Mix 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 Charles Mix County, SD?
Federal records track 9 Safe Drinking Water (SDWIS) facilities, 45 Clean Water Act NPDES permits, and 4 impaired water dischargers in Charles Mix County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Charles Mix County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Charles Mix 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.