PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
Home › States › South Carolina › Colleton County
6-IN-1 COUNTY ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • SC

Colleton County, South Carolina — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Scan Address in Colleton County →

In Colleton County, South Carolina, public U.S. EPA records track 267 regulated facilities (#28 of 66 in South Carolina), including 5 (1.9%) High-Risk sites and $26,000 in federal penalties. Countywide due diligence also covers 30 Safe Drinking Water (SDWIS) facilities, 143 Clean Water NPDES permits, 8 FEMA Federal Disaster Declarations (7 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites (#28/66)
267
High-Risk (1.9% vs 1.4% State)
5
Active Violators (4.1%)
11
Drinking & Clean Water
173
Federal Penalties
$26,000

Colleton 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
8 County FEMA Declarations (7 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 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
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
30 SDWIS Systems • 143 NPDES Permits
🔒 4 Impaired Water (303d) & 18 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ 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

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

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 84 (31.5%)
Clean Water (NPDES) & Drinking Water (SDWIS) 173 (64.8%)
Active EPA Non-Compliance Dockets 11 (4.1%)
High-Risk Enforcement Facilities 5 (1.9%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (85.5/100)
🌊 Flood Exposure 5/10 • Moderate 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. County vs. State & National Benchmark
Colleton County High-Risk % 1.9%
South Carolina (SC) Statewide Avg 1.4%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in Colleton County →

Top EPA Regulated Facilities in Colleton 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).

Unlock Full County Property Scan →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Tier & Score Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • ROUND O, SC (ZIP 29474 Sector) HIGH (64/100) Significant Violation (9 qtrs NC) 🔒 9 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • EDISTO ISLAND, SC (ZIP 29438 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • WALTERBORO, SC (ZIP 29488 Sector) MODERATE (53/100) Violation Identified (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • GREEN POND, SC (ZIP 29446 Sector) MODERATE (40/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • , SC (ZIP Sector) MODERATE (39/100) Violation Identified (10 qtrs NC) 🔒 10 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • WALTERBORO, SC (ZIP 29488 Sector) MODERATE (34/100) Resolved / Historical Non-Compliance (2 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • WALTERBORO, SC (ZIP 29488 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • GREEN POND, SC (ZIP 29446 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
WHEELABRATOR CAST PRODUCT FREE PREVIEW (LOW RISK) 304 THUNDERBOLT DRIVE, WALTERBORO, SC 29488 LOW (20/100) No Violation Identified (0 qtrs NC) $0
ASTEN JOHNSON INC WALTERBORO FREE PREVIEW (LOW RISK) 1310 N JEFFERIES BLVD, WALTERBORO, SC 29488 LOW (20/100) No Violation Identified (0 qtrs NC) $0
INNOPHOS LLC FREE PREVIEW (LOW RISK) 88 WEISS LANE, GREEN POND, SC 29446 LOW (19/100) No Violation Identified (0 qtrs NC) $0
DAYCO PRODUCTS LLC WALTERBORO PLANT FREE PREVIEW (LOW RISK) 938 THUNDERBOLT DRIVE, WALTERBORO, SC 29488 LOW (18/100) No Violation Identified (0 qtrs NC) $0
🔒 + 255 Additional Regulated & Enforcement Records in Colleton County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Colleton County, South Carolina Environmental Due Diligence

How many EPA-regulated environmental sites are in Colleton County, South Carolina?

Public U.S. EPA records track 267 regulated facilities in Colleton County, South Carolina (ranking #28 of 66 jurisdictions in SC). Of those, 5 (1.9%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 11 (4.1%) have active non-compliance quarters.

Which ZIP codes and cities in Colleton County have the highest regulated facility density?

Within Colleton County, the highest concentrations of EPA-tracked facilities are located in ZIP 29435 (Cottageville, 17 sites), ZIP 29446 (Green Pond, 10 sites), ZIP 29452 (Jacksonboro, 5 sites), spanning municipal corridors including Cottageville (20 sites), Green Pond (9 sites), Jacksonboro (5 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Colleton County?

Across Colleton County, 84 facilities (31.5% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).

What is the EPA Radon Zone classification for Colleton County, SC?

Geologic indoor air screening places Colleton County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.

How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Colleton County, SC?

Federal records track 30 Safe Drinking Water (SDWIS) facilities, 143 Clean Water Act NPDES permits, and 4 impaired water dischargers in Colleton County, alongside 8 historical FEMA federal disaster declarations (7 flood/storm events).

Does Colleton County, SC have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Colleton County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.

6-in-1 Property Hazard Check
From $14.95 • 7-Day Guarantee
Sample Screen Address