Brookings County, South Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Brookings County, SD?
In Brookings County, South Dakota, public U.S. EPA records track 158 regulated facilities (#9 of 109 in South Dakota), including 2 (1.3%) High-Risk sites and $5,300,000 in federal penalties. Countywide due diligence also covers 12 Safe Drinking Water (SDWIS) facilities, 88 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Brookings 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📊 Brookings County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Brookings County
ZIP Codes in Brookings County
Top EPA Regulated Facilities in Brookings 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 • AURORA, SD (ZIP 57002 Sector) | MODERATE (52/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BROOKINGS, SD (ZIP 57006 Sector) | MODERATE (48/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • BROOKINGS, SD (ZIP 57006 Sector) | MODERATE (35/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • VOLGA, SD (ZIP 57071 Sector) | MODERATE (35/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WHITE, SD (ZIP 57276 Sector) | MODERATE (35/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BROOKINGS, SD (ZIP 57006 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • BROOKINGS, SD (ZIP 57006 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • VOLGA, SD (ZIP 57071 Sector) | MODERATE (32/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| COUNTERPART, INC FREE PREVIEW (LOW RISK) | 214 32ND AVENUE SOUTH, BROOKINGS, SD 57006 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| SEXAUER COMPANY FREE PREVIEW (LOW RISK) | 100 SOUTH MAIN AVENUE, BROOKINGS, SD 57006 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MIDLAND ROSS CORP MIDTEX DIVISION FREE PREVIEW (LOW RISK) | 1313 WESTERN AVE, BROOKINGS, SD 57006 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WALMART SUPERCENTER #1538 FREE PREVIEW (LOW RISK) | 2233 6TH STREET, BROOKINGS, SD 57006 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Brookings County, South Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Brookings County, South Dakota?
Public U.S. EPA records track 158 regulated facilities in Brookings County, South Dakota (ranking #9 of 109 jurisdictions in SD). Of those, 2 (1.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 6 (3.8%) have active non-compliance quarters.
Which ZIP codes and cities in Brookings County have the highest regulated facility density?
Within Brookings County, the highest concentrations of EPA-tracked facilities are located in ZIP 57071 (Volga, 19 sites), ZIP 57002 (Aurora, 13 sites), ZIP 57007 (Brookings, 13 sites), spanning municipal corridors including Volga (19 sites), Aurora (12 sites), Astoria (6 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Brookings County?
Across Brookings County, 101 facilities (63.9% 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 Brookings County, SD?
Geologic indoor air screening places Brookings 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 Brookings County, SD?
Federal records track 12 Safe Drinking Water (SDWIS) facilities, 88 Clean Water Act NPDES permits, and 14 impaired water dischargers in Brookings County, alongside 2 historical FEMA federal disaster declarations (1 flood/storm events).
Does Brookings County, SD have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Brookings County indicates a MODERATE 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.