13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • UNINCORPORATED WILLIAMSBURG COUNTY, SC

Unincorporated Williamsburg County, South Carolina — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in Unincorporated Williamsburg County, SC?

Public U.S. EPA records track 1 regulated facilities in Unincorporated Williamsburg County, South Carolina (Williamsburg County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Unincorporated Williamsburg County properties are screened for Tap Water & Watershed Permits (1 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 7 County FEMA Disaster Declarations, and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites

1

High-Risk (0.0% vs 1.4% State)

0

Active Violators (0.0%)

0

Drinking & Clean Water

1

Federal Penalties

$0

Unincorporated Williamsburg County, SC 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan

🌊 Flood Zone & FEMA Disaster History

Williamsburg County: 7 FEMA Declarations (6 Flood/Storm)

🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked

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🪨 USDA Soil, Foundation & Water Table

Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: High

🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked

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🚰 Tap Water (SDWIS) & PFAS Check

0 SDWIS Systems • 1 NPDES Permits

🔒 0 Impaired Water (303d) & 0 Violation Dockets Locked

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☢️ EPA Radon & Karst Sinkhole

EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)

Low / Non-Karst Bedrock & Alluvial Formation

🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Unincorporated Williamsburg County, SC Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)

1. Municipal Regulatory & Water Program Mix

RCRA Hazardous Waste Generators 0 (0.0%)

Clean Water (NPDES) & Drinking Water (SDWIS) 1 (100.0%)

Active EPA Non-Compliance Dockets 0 (0.0%)

High-Risk Enforcement Facilities 0 (0.0%)

2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (82.1/100)

🌊 Flood Exposure 3/10 • Low Hazard

🔥 Wildfire Hazard 3/10 • Low Hazard

☀️ Extreme Heat 3/10 • Low Hazard

🌪️ Severe Wind / Storm 7/10 • High Hazard

🫨 USGS Earthquake 5/10 • Moderate Hazard

3. City vs. County & State Benchmark

Unincorporated Williamsburg County High-Risk Rate 0.0%

Williamsburg County Average 1.9%

South Carolina (SC) Statewide Avg 1.4%

Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.

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ZIP Codes in Unincorporated Williamsburg County, SC

Highest-Scored EPA Regulated Facilities in Unincorporated Williamsburg County, SC

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

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Facility Name / Hazard Type	Sector Location (Street Redacted)	Risk Tier & Score	Compliance Status	Enforcement / Unlock
PROPOSED 22500 SF FIRE/EMS HEADQUARTERS FREE PREVIEW (LOW RISK)	THE INTERSECTION OF MARTIN LUTHER KING JR AVE AND, UNINCORPORATED WILLIAMSBURG COUNTY, SC 29556	LOW (13/100)	No Violation Identified (0 qtrs NC)	$0

Frequently Asked Questions — Unincorporated Williamsburg County, South Carolina Environmental Risk & Radon

How many EPA-regulated facilities are in Unincorporated Williamsburg County, SC?

U.S. EPA records track 1 regulated facilities in Unincorporated Williamsburg County, South Carolina, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).

Which ZIP codes in Unincorporated Williamsburg County, SC have the most EPA-tracked sites?

Within Unincorporated Williamsburg County, regulated facilities are primarily concentrated across local postal codes.

How can I check a specific house or commercial property in Unincorporated Williamsburg County, SC?

Enter the exact street address in Unincorporated Williamsburg County into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Is tap water safe in Unincorporated Williamsburg County, SC and how many EPA water permits exist?

In Unincorporated Williamsburg County, SC, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 0 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Unincorporated Williamsburg County, SC?

USDA regional soil screening for Unincorporated Williamsburg County indicates a MODERATE shrink-swell foundation signal, and Williamsburg County has recorded 7 federal FEMA disaster declarations (6 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.