ZIP 31328 (Tybee Island, GA) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 31328 in Tybee Island, Georgia (Chatham County) has 14 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 0 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 31328 are screened across 4 historical Chatham County FEMA disasters, USDA Soil Foundation Shrink-Swell (HIGH signal), Tap Water & Watershed Permits (11), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 31328 (Tybee Island, GA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 31328 (Tybee Island, GA) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 31328 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 0 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 31328 (Tybee Island, GA)
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 • TYBEE ISLAND, GA (ZIP 31328 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| USCG STATION-TYBEE ISLAND FREE PREVIEW (LOW RISK) | 1 COCKSPUR RD, HWY 80 E, TYBEE ISLAND, GA 31328 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| HUNTLEY JIFFY FOOD STORE #387 FREE PREVIEW (LOW RISK) | 1315 BUTLER AVE, TYBEE ISLAND, GA 31328 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| MORTAR AVENUE SUBDIVISION FREE PREVIEW (LOW RISK) | MORTAR AVENUE, TYBEE ISLAND, GA 31328 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| SUNSHINE HOUSE RH FREE PREVIEW (LOW RISK) | BELFAST KELLER ROAD, RICHMOND HILL, GA 31328 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • TYBEE ISLAND, GA (ZIP 31328 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • TYBEE ISLAND, GA (ZIP 31328 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • TYBEE ISLAND, GA (ZIP 31328 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • TYBEE ISLAND, GA (ZIP 31328 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 31328 (Tybee Island, GA) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 31328 (Tybee Island, GA)?
ZIP code 31328 (Tybee Island, GA) contains 14 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 0 (0.0%) have active compliance violations, and 3 (21.4%) handle RCRA hazardous waste.
How does ZIP 31328 compare to Chatham County and Georgia averages?
In ZIP 31328, 0.0% of regulated sites are rated High Risk, compared to 3.8% across Chatham County and 0.7% statewide in Georgia.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 31328?
Geologic screening places ZIP 31328 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 31328 (Tybee Island, GA) in a FEMA flood zone and what is the flood disaster history?
Chatham County has recorded 4 historical FEMA federal disaster declarations (4 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 31328 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 31328 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 31328 indicates a HIGH shrink-swell risk signal. Within ZIP 31328, federal registries track 0 SDWIS drinking water facilities, 11 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.