ZIP 29926 (Hilton Head Island, SC) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 29926 in Hilton Head Island, South Carolina (Beaufort County) has 101 EPA-tracked facilities, including 3 High-Risk sites (3.0%), 1 active violators, and $5,324,200 in federal penalties. Beyond industrial pollution, properties in ZIP 29926 are screened across 8 historical Beaufort County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (54), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 29926 (Hilton Head Island, SC) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 29926 (Hilton Head Island, SC) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 29926 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 3 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 29926 (Hilton Head Island, SC)
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 • HILTON HEAD ISLAND, SC (ZIP 29926 Sector) | HIGH (64/100) | Violation Identified (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • HILTON HEAD ISLAND, SC (ZIP 29926 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • HILTON HEAD ISLAND, SC (ZIP 29926 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • HILTON HEAD ISLAND, SC (ZIP 29926 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • HILTON HEAD ISLAND, SC (ZIP 29926 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • HILTON HEAD ISLAND, SC (ZIP 29926 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • HILTON HEAD, SC (ZIP 29926 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HILTON HEAD ISLAND, SC (ZIP 29926 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| L3 KIGRE INC FREE PREVIEW (LOW RISK) | 100 MARSHLAND RD, HILTON HEAD ISLAND, SC 29926 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| SANTEE COOPER HILTON HEAD GAS TURBINES FREE PREVIEW (LOW RISK) | 41 POWER ALLEY, HILTON HEAD ISLAND, SC 29926 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MODERN CLASSIC MOTORS INCORPORATED FREE PREVIEW (LOW RISK) | 355 WILLIAM HILTON PARKWAY, HILTON HEAD ISLAND, SC 29926 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| LOT 41 (41) SPARWHEEL LANE FREE PREVIEW (LOW RISK) | 41 SPARWHEEL LANE, HILTON HEAD, SC 29926 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 29926 (Hilton Head Island, SC) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 29926 (Hilton Head Island, SC)?
ZIP code 29926 (Hilton Head Island, SC) contains 101 EPA-tracked facilities, of which 3 (3.0%) are classified in the High-Risk tier, 1 (1.0%) have active compliance violations, and 43 (42.6%) handle RCRA hazardous waste.
How does ZIP 29926 compare to Beaufort County and South Carolina averages?
In ZIP 29926, 3.0% of regulated sites are rated High Risk, compared to 0.7% across Beaufort County and 1.4% statewide in South Carolina.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 29926?
Geologic screening places ZIP 29926 in EPA Zone 2 — Moderate Potential (2.0 – 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 29926 (Hilton Head Island, SC) in a FEMA flood zone and what is the flood disaster history?
Beaufort County has recorded 8 historical FEMA federal disaster declarations (7 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 29926 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 29926 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 29926 indicates a HIGH shrink-swell risk signal. Within ZIP 29926, federal registries track 3 SDWIS drinking water facilities, 51 Clean Water NPDES permits, and 11 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.