ZIP 57770 (Pine Ridge, SD) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 57770 in Pine Ridge, South Dakota (Shannon County) has 54 EPA-tracked facilities, including 1 High-Risk sites (1.9%), 1 active violators, and $4,075 in federal penalties. Beyond industrial pollution, properties in ZIP 57770 are screened across 15 historical Shannon County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (35), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 57770 (Pine Ridge, 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 57770 (Pine Ridge, SD) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 57770 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 57770 (Pine Ridge, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 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 • PINE RIDGE, SD (ZIP 57770 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PINE RIDGE, SD (ZIP 57770 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| US EPA CLEANUP PINE RIDGE PESTICIDES FREE PREVIEW (LOW RISK) | BIA ROAD 2, PINE RIDGE, SD 57770 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| PORCUPINE CREEK DRUM CLEANUP (FORMER) FREE PREVIEW (LOW RISK) | HWY 407, PINE RIDGE, SD 57770 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| OGLALA SIOUX TRIBE - PUBLIC SAFETY FREE PREVIEW (LOW RISK) | MAIN STREET, PINE RIDGE, SD 57770 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| BIA PINE RIDGE RESERVATION FREE PREVIEW (LOW RISK) | BLDG #118&119&59. SEC 12 T35N R45W, PINE RIDGE, SD 57770 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 57770 (Pine Ridge, 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 57770 (Pine Ridge, SD)?
ZIP code 57770 (Pine Ridge, SD) contains 54 EPA-tracked facilities, of which 1 (1.9%) are classified in the High-Risk tier, 1 (1.9%) have active compliance violations, and 10 (18.5%) handle RCRA hazardous waste.
How does ZIP 57770 compare to Shannon County and South Dakota averages?
In ZIP 57770, 1.9% of regulated sites are rated High Risk, compared to 0.0% across Shannon County and 0.7% statewide in South Dakota.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 57770?
Geologic screening places ZIP 57770 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 57770 (Pine Ridge, SD) in a FEMA flood zone and what is the flood disaster history?
Shannon County has recorded 15 historical FEMA federal disaster declarations (8 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 57770 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 57770 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 57770 indicates a HIGH shrink-swell risk signal. Within ZIP 57770, federal registries track 17 SDWIS drinking water facilities, 18 Clean Water NPDES permits, and 0 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.