ZIP 57266 (Summit, SD) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 57266 in Summit, South Dakota (Roberts County) has 17 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 57266 are screened across 3 historical Roberts 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 57266 (Summit, 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 57266 (Summit, SD) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 57266 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 57266 (Summit, 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 • SUMMIT, SD (ZIP 57266 Sector) | MODERATE (35/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SUMMIT, SD (ZIP 57266 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SUMMIT, SD (ZIP 57266 Sector) | MODERATE (30/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| CAL'S REPAIR FREE PREVIEW (LOW RISK) | 500 MAPLE STREET, SUMMIT, SD 57266 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CALVIN PIE'S SALVAGE YARD FREE PREVIEW (LOW RISK) | 805 PINE STREET, SUMMIT, SD 57266 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| BIG STONE SOUTH TO ELLENDALE 345 KV TRANSMISSION LINE FREE PREVIEW (LOW RISK) | 10 MI. SOUTHWEST OF SUMMIT, SUMMIT, SD 57266 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| DAKOTA RANGE III WIND PROJECT FREE PREVIEW (LOW RISK) | INTERSECTION FO 455TH AVENUE AND 144TH STREET, SUMMIT, SD 57266 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SUMMIT, TOWN OF, SD (ZIP 57266 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SUMMIT, SD (ZIP 57266 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • SUMMIT, SD (ZIP 57266 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SUMMIT, SD (ZIP 57266 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SUMMIT, SD (ZIP 57266 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 57266 (Summit, 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 57266 (Summit, SD)?
ZIP code 57266 (Summit, SD) contains 17 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 1 (5.9%) have active compliance violations, and 2 (11.8%) handle RCRA hazardous waste.
How does ZIP 57266 compare to Roberts County and South Dakota averages?
In ZIP 57266, 0.0% of regulated sites are rated High Risk, compared to 0.0% across Roberts County and 0.7% statewide in South Dakota.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 57266?
Geologic screening places ZIP 57266 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 57266 (Summit, SD) in a FEMA flood zone and what is the flood disaster history?
Roberts County has recorded 3 historical FEMA federal disaster declarations (2 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 57266 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 57266 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 57266 indicates a MODERATE shrink-swell risk signal. Within ZIP 57266, federal registries track 1 SDWIS drinking water facilities, 12 Clean Water NPDES permits, and 1 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.