ZIP 29493 (Williams, SC) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 29493 in Williams, South Carolina (Colleton County) has 4 EPA-tracked facilities, including 1 High-Risk sites (25.0%), 0 active violators, and $20,000 in federal penalties. Beyond industrial pollution, properties in ZIP 29493 are screened across 8 historical Colleton County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (2), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
ZIP 29493 (Williams, 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 29493 (Williams, SC) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 29493 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 0 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 29493 (Williams, 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • WILLIAMS, SC (ZIP 29493 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| GE BETZ INC FREE PREVIEW (LOW RISK) | 1074 CLEMENTS FERRY RD, WANDO, SC 29493 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| WARREN AND GRIFFIN, INC. FREE PREVIEW (LOW RISK) | 189 SUPPLY ST, WILLIAMS, SC 29493 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 29493 (Williams, 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 29493 (Williams, SC)?
ZIP code 29493 (Williams, SC) contains 4 EPA-tracked facilities, of which 1 (25.0%) are classified in the High-Risk tier, 0 (0.0%) have active compliance violations, and 1 (25.0%) handle RCRA hazardous waste.
How does ZIP 29493 compare to Colleton County and South Carolina averages?
In ZIP 29493, 25.0% of regulated sites are rated High Risk, compared to 1.9% across Colleton County and 1.4% statewide in South Carolina.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 29493?
Geologic screening places ZIP 29493 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 29493 (Williams, SC) in a FEMA flood zone and what is the flood disaster history?
Colleton County has recorded 8 historical FEMA federal disaster declarations (7 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 29493 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 29493 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 29493 indicates a MODERATE shrink-swell risk signal. Within ZIP 29493, federal registries track 0 SDWIS drinking water facilities, 2 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.