ZIP 57078 (Yankton, SD) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 57078 in Yankton, South Dakota (Yankton County) has 160 EPA-tracked facilities, including 1 High-Risk sites (0.6%), 1 active violators, and $5,300,000 in federal penalties. Beyond industrial pollution, properties in ZIP 57078 are screened across 1 historical Yankton County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (81), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 57078 (Yankton, 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 57078 (Yankton, SD) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 57078 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 57078 (Yankton, 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 • YANKTON, SD (ZIP 57078 Sector) | MODERATE (35/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • YANKTON, SD (ZIP 57078 Sector) | MODERATE (35/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • YANKTON, SD (ZIP 57078 Sector) | MODERATE (35/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • YANKTON, SD (ZIP 57078 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • YANKTON, SD (ZIP 57078 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • YANKTON, SD (ZIP 57078 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • YANKTON, SD (ZIP 57078 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • YANKTON, SD (ZIP 57078 Sector) | MODERATE (33/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| USFWS - GAVINS POINT NATIONAL FISH HATCHERY FREE PREVIEW (LOW RISK) | SW1/4,SEC.16,T93N,R56W,APPROX., YANKTON, SD 57078 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| APPLIED ENGINEERING FREE PREVIEW (LOW RISK) | 2008 EAST HIGHWAY 50, YANKTON, SD 57078 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| FREEMAN CO AMG LLC FREE PREVIEW (LOW RISK) | 719 WALNUT STREET, YANKTON, SD 57078 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| MOUNT MARTY UNIVERSITY FREE PREVIEW (LOW RISK) | 1105 WEST 8TH STREET, YANKTON, SD 57078 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 57078 (Yankton, 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 57078 (Yankton, SD)?
ZIP code 57078 (Yankton, SD) contains 160 EPA-tracked facilities, of which 1 (0.6%) are classified in the High-Risk tier, 1 (0.6%) have active compliance violations, and 81 (50.6%) handle RCRA hazardous waste.
How does ZIP 57078 compare to Yankton County and South Dakota averages?
In ZIP 57078, 0.6% of regulated sites are rated High Risk, compared to 1.6% across Yankton County and 0.7% statewide in South Dakota.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 57078?
Geologic screening places ZIP 57078 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 57078 (Yankton, SD) in a FEMA flood zone and what is the flood disaster history?
Yankton County has recorded 1 historical FEMA federal disaster declarations (1 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 57078 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 57078 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 57078 indicates a LOW shrink-swell risk signal. Within ZIP 57078, federal registries track 2 SDWIS drinking water facilities, 79 Clean Water NPDES permits, and 8 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.