Custer County, South Dakota — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Custer County, SD?
Public U.S. EPA records track 2 regulated facilities in Custer County, South Dakota (Custer County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Custer County properties are screened for Tap Water & Watershed Permits (0 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 2 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Custer 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📊 Custer County, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Custer County, SD
Highest-Scored EPA Regulated Facilities in Custer 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 |
|---|---|---|---|---|
| GULF MINERAL RESOURCES FREE PREVIEW (LOW RISK) | COLD BROOK CANYON PROJECT, CUSTER COUNTY, SD 57730 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Custer County, South Dakota Environmental Risk & Radon
How many EPA-regulated facilities are in Custer County, SD?
U.S. EPA records track 2 regulated facilities in Custer County, South Dakota, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 2 RCRA hazardous waste handlers (100.0%).
Which ZIP codes in Custer County, SD have the most EPA-tracked sites?
Within Custer County, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in Custer County, SD?
Enter the exact street address in Custer County into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Custer County, SD and how many EPA water permits exist?
In Custer County, SD, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Custer County, SD?
USDA regional soil screening for Custer County indicates a HIGH shrink-swell foundation signal, and Custer County has recorded 2 federal FEMA disaster declarations (0 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.