Custer, South Dakota — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
Public U.S. EPA records track 83 regulated facilities in Custer, South Dakota (Custer County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Custer properties are screened for Tap Water & Watershed Permits (60 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 2 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Custer, 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, SD Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP Codes in Custer, SD
Highest-Scored EPA Regulated Facilities in Custer, 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 • CUSTER, SD (ZIP 57730 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CUSTER, SD (ZIP 57730 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CUSTER, SD (ZIP 57730 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CUSTER, SD (ZIP 57730 Sector) | MODERATE (29/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| CUSTER HIGH SCHOOL CTE FACILITY FREE PREVIEW (LOW RISK) | 527 MONTGOMERY STREET, CUSTER, SD 57730 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| GOLF COURSE FORCE MAIN IMPROVEMENTS FREE PREVIEW (LOW RISK) | CANAL STREET & BLUEBELL LANE, CUSTER, SD 57730 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| V23003 - CUSTER WEST: CO TO RST 9 FREE PREVIEW (LOW RISK) | 30 N 5TH ST, CUSTER, SD 57730 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| US DEPT OF INTERIOR -JEWEL CAVE MONUMENT FREE PREVIEW (LOW RISK) | 14 MI WEST OF CUSTER ON US 16, CUSTER, SD 57730 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CUSTER, SD (ZIP 57730 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CUSTER, SD (ZIP 57730 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CUSTER, SD (ZIP 57730 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CUSTER, SD (ZIP 57730 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Custer, South Dakota Environmental Risk & Radon
How many EPA-regulated facilities are in Custer, SD?
U.S. EPA records track 83 regulated facilities in Custer, South Dakota, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 16 RCRA hazardous waste handlers (19.3%).
Which ZIP codes in Custer, SD have the most EPA-tracked sites?
Within Custer, regulated facilities are primarily concentrated across ZIP 57730 (89 sites).
How can I check a specific house or commercial property in Custer, SD?
Enter the exact street address in Custer 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, SD and how many EPA water permits exist?
In Custer, SD, federal registries track 29 Safe Drinking Water (SDWIS) facilities, 31 Clean Water Act NPDES permits, and 6 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Custer, SD?
USDA regional soil screening for Custer 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.