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Marlboro County, South Carolina — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Marlboro County, SC?

In Marlboro County, South Carolina, public U.S. EPA records track 141 regulated facilities (#38 of 66 in South Carolina), including 5 (3.5%) High-Risk sites and $8,500 in federal penalties. Countywide due diligence also covers 15 Safe Drinking Water (SDWIS) facilities, 71 Clean Water NPDES permits, 6 FEMA Federal Disaster Declarations (5 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites (#38/66)
141
High-Risk (3.5% vs 1.4% State)
5
Active Violators (5.0%)
7
Drinking & Clean Water
86
Federal Penalties
$8,500

Marlboro 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
6 County FEMA Declarations (5 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
15 SDWIS Systems • 71 NPDES Permits
🔒 2 Impaired Water (303d) & 11 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

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

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 40 (28.4%)
Clean Water (NPDES) & Drinking Water (SDWIS) 86 (61.0%)
Active EPA Non-Compliance Dockets 7 (5.0%)
High-Risk Enforcement Facilities 5 (3.5%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (57.5/100)
🌊 Flood Exposure 3/10 • Low Hazard
🔥 Wildfire Hazard 3/10 • Low Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 5/10 • Moderate Hazard
🫨 USGS Earthquake 3/10 • Low Hazard
3. County vs. State & National Benchmark
Marlboro County High-Risk % 3.5%
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.
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Top EPA Regulated Facilities in Marlboro 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
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • BENNETTSVILLE, SC (ZIP 29512 Sector) HIGH (64/100) Significant Violation (5 qtrs NC) 🔒 5 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • BENNETTSVILLE, SC (ZIP 29512 Sector) MODERATE (60/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • BENNETTSVILLE, SC (ZIP 29512 Sector) MODERATE (52/100) Violation Identified (11 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • MCCOLL, SC (ZIP 29570 Sector) MODERATE (52/100) Violation Identified (11 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • BENNETTSVILLE, SC (ZIP 29512 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • BENNETTSVILLE, SC (ZIP 29512 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • MCCOLL, SC (ZIP 29570 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • CLIO, SC (ZIP 29525 Sector) MODERATE (32/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
AMERICARB INC BENNETTSVILLE PCC PLANT FREE PREVIEW (LOW RISK) HWY 912 585 WILLIAMETTE RD, BENNETTSVILLE, SC 29512 LOW (20/100) No Violation Identified (0 qtrs NC) $0
ESSEX GROUP INC. FREE PREVIEW (LOW RISK) 620 GIBSON HIGHWAY, BENNETTSVILLE, SC 29512 LOW (20/100) No Violation Identified (0 qtrs NC) $0
BORO WOOD PRODUCTS FREE PREVIEW (LOW RISK) MAPLE STREET, BENNETTSVILLE, SC 29512 LOW (19/100) No Violation Identified (0 qtrs NC) $0
HANSON AGGREGATES SOUTHEAST INCORPORATED MARLBORO PLANT FREE PREVIEW (LOW RISK) 555 MARLBORO ROAD, BENNETTSVILLE, SC 29512 LOW (19/100) No Violation Identified (0 qtrs NC) $0
🔒 + 129 Additional Regulated & Enforcement Records in Marlboro County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

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

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

Public U.S. EPA records track 141 regulated facilities in Marlboro County, South Carolina (ranking #38 of 66 jurisdictions in SC). Of those, 5 (3.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 7 (5.0%) have active non-compliance quarters.

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

Within Marlboro County, the highest concentrations of EPA-tracked facilities are located in ZIP 29512 (N/A, 83 sites), ZIP 29596 (Wallace, 15 sites), ZIP 29570 (Mccoll, 9 sites), spanning municipal corridors including Bennettsville (80 sites), Wallace (16 sites), Mccoll (8 sites).

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

Across Marlboro County, 40 facilities (28.4% 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 Marlboro County, SC?

Geologic indoor air screening places Marlboro 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 Marlboro County, SC?

Federal records track 15 Safe Drinking Water (SDWIS) facilities, 71 Clean Water Act NPDES permits, and 2 impaired water dischargers in Marlboro County, alongside 6 historical FEMA federal disaster declarations (5 flood/storm events).

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

USDA regional soil engineering screening for Marlboro 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.

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