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
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6-IN-1 COUNTY ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • SC

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

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In Allendale County, South Carolina, public U.S. EPA records track 93 regulated facilities (#45 of 66 in South Carolina), including 4 (4.3%) High-Risk sites and $75,800 in federal penalties. Countywide due diligence also covers 10 Safe Drinking Water (SDWIS) facilities, 43 Clean Water NPDES permits, 7 FEMA Federal Disaster Declarations (6 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites (#45/66)
93
High-Risk (4.3% vs 1.4% State)
4
Active Violators (7.5%)
7
Drinking & Clean Water
53
Federal Penalties
$75,800

Allendale 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
7 County FEMA Declarations (6 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
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🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
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🚰 Tap Water (SDWIS) & PFAS Check
10 SDWIS Systems • 43 NPDES Permits
🔒 2 Impaired Water (303d) & 6 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

📊 Allendale 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 32 (34.4%)
Clean Water (NPDES) & Drinking Water (SDWIS) 53 (57.0%)
Active EPA Non-Compliance Dockets 7 (7.5%)
High-Risk Enforcement Facilities 4 (4.3%)
2. FEMA NRI & USGS Hazard Index (1–10) Very Low (35.5/100)
🌊 Flood Exposure 1/10 • Very Low Hazard
🔥 Wildfire Hazard 1/10 • Very 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
Allendale County High-Risk % 4.3%
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 Allendale 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 • ALLENDALE, SC (ZIP 29810 Sector) HIGH (88/100) Significant Violation (11 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • MARTIN, SC (ZIP 29836 Sector) HIGH (70/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • ALLENDALE, SC (ZIP 29810 Sector) HIGH (64/100) Significant Violation (3 qtrs NC) 🔒 3 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • ALLENDALE, SC (ZIP 29810 Sector) MODERATE (49/100) Violation Identified (11 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • FAIRFAX, SC (ZIP 29827 Sector) MODERATE (48/100) Violation Identified (2 qtrs NC) 🔒 2 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • FAIRFAX, SC (ZIP 29827 Sector) MODERATE (39/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • ALLENDALE, SC (ZIP 29810 Sector) MODERATE (35/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • FAIRFAX, SC (ZIP 29827 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
APPALACHIAN ENGINEERED HARDWOODS FREE PREVIEW (LOW RISK) 890 REVOLUTIONARY TRAIL, FAIRFAX, SC 29827 LOW (19/100) No Violation Identified (0 qtrs NC) $0
SCOTSMAN ICE SYSTEMS FREE PREVIEW (LOW RISK) HIGHWAY 321 SOUTH AT FAIRFAX INDUSTRIAL PARK, FAIRFAX, SC 29827 LOW (19/100) No Violation Identified (0 qtrs NC) $0
FREEMAN & SON SERVICE STATION FREE PREVIEW (LOW RISK) FAIRFAX & HAMPTON STREET, FAIRFAX, SC 29827 LOW (17/100) No Violation Identified (0 qtrs NC) $0
MARLIN STUDIOS SOUTH INC FREE PREVIEW (LOW RISK) SC HIGHWAY 3-47, FAIRFAX, SC 29827 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 81 Additional Regulated & Enforcement Records in Allendale County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

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

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

Public U.S. EPA records track 93 regulated facilities in Allendale County, South Carolina (ranking #45 of 66 jurisdictions in SC). Of those, 4 (4.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 7 (7.5%) have active non-compliance quarters.

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

Within Allendale County, the highest concentrations of EPA-tracked facilities are located in ZIP 29810 (Allendale, 30 sites), ZIP 29827 (N/A, 30 sites), ZIP 29849 (Ulmer, 8 sites), spanning municipal corridors including Fairfax (30 sites), Allendale (28 sites), Ulmer (7 sites).

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

Across Allendale County, 32 facilities (34.4% 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 Allendale County, SC?

Geologic indoor air screening places Allendale 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 Allendale County, SC?

Federal records track 10 Safe Drinking Water (SDWIS) facilities, 43 Clean Water Act NPDES permits, and 2 impaired water dischargers in Allendale County, alongside 7 historical FEMA federal disaster declarations (6 flood/storm events).

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

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

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