ZIP 57028 (Flandreau, SD) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 57028 in Flandreau, South Dakota (Moody County) has 26 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 1 active violators, and $1,600 in federal penalties. Beyond industrial pollution, properties in ZIP 57028 are screened across 2 historical Moody County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (13), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 57028 (Flandreau, SD) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 57028 (Flandreau, SD) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 57028 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 57028 (Flandreau, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • FLANDREAU, (ZIP 57028 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • FLANDREAU, SD (ZIP 57028 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • FLANDREAU, SD (ZIP 57028 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| BRF 6337(00)19-1 FREE PREVIEW (LOW RISK) | SD HWY 32 (COUNTY 9A TO N 5.5 MILES), FLANDREAU, SD 57028 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| FLANDREAU, CITY OF FREE PREVIEW (LOW RISK) | 1005 W. ELM AVE., FLANDREAU, SD 57028 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| BRO 8051(17) FREE PREVIEW (LOW RISK) | N CRECENT ST (OVER BIG SIOUX RIVER), FLANDREAU, SD 57028 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| FLANDREAU INDIAN SCHOOL FREE PREVIEW (LOW RISK) | 1132 NORTH CRESCENT STREET, FLANDREAU, SD 57028 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • FLANDREAU, SD (ZIP 57028 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • FLANDREAU, SD (ZIP 57028 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • FLANDREAU, SD (ZIP 57028 Sector) | LOW (17/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • FLANDREAU, SD (ZIP 57028 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • FLANDREAU, SD (ZIP 57028 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 57028 (Flandreau, SD) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 57028 (Flandreau, SD)?
ZIP code 57028 (Flandreau, SD) contains 26 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 1 (3.8%) have active compliance violations, and 10 (38.5%) handle RCRA hazardous waste.
How does ZIP 57028 compare to Moody County and South Dakota averages?
In ZIP 57028, 0.0% of regulated sites are rated High Risk, compared to 0.0% across Moody County and 0.7% statewide in South Dakota.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 57028?
Geologic screening places ZIP 57028 in EPA Zone 1 — High Potential (> 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 57028 (Flandreau, SD) in a FEMA flood zone and what is the flood disaster history?
Moody County has recorded 2 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 57028 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 57028 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 57028 indicates a MODERATE shrink-swell risk signal. Within ZIP 57028, federal registries track 2 SDWIS drinking water facilities, 11 Clean Water NPDES permits, and 3 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.