Charleston County, South Carolina — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Charleston County, SC?
In Charleston County, South Carolina, public U.S. EPA records track 2,661 regulated facilities (#2 of 66 in South Carolina), including 23 (0.9%) High-Risk sites and $12,048,311 in federal penalties. Countywide due diligence also covers 61 Safe Drinking Water (SDWIS) facilities, 1,474 Clean Water NPDES permits, 6 FEMA Federal Disaster Declarations (5 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Charleston 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📊 Charleston County, SC Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Charleston County
ZIP Codes in Charleston County
Top EPA Regulated Facilities in Charleston 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).
| 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 • CHARLESTON, SC (ZIP 29405 Sector) | HIGH (92/100) | Significant Violation (11 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CHARLESTON, SC (ZIP 29405 Sector) | HIGH (69/100) | Violation Identified (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • NORTH CHARLESTON, SC (ZIP 29406 Sector) | HIGH (64/100) | Violation Identified (10 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • N CHARLESTON, SC (ZIP 29406 Sector) | MODERATE (61/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • LADSON, SC (ZIP 29456 Sector) | MODERATE (58/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CHARLESTON, SC (ZIP 29414 Sector) | MODERATE (56/100) | Violation Identified (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • CHARLESTON, SC (ZIP 29405 Sector) | MODERATE (56/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • DEWEES ISLAND, SC (ZIP 29451 Sector) | MODERATE (54/100) | Violation Identified (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| CHARLESTON TRUCK SERVICE INC. FREE PREVIEW (LOW RISK) | 1080 MORRISON DR., CHARLESTON, SC 29403 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| FENDER MENDER OF WEST ASHLEY INCORPORATED FREE PREVIEW (LOW RISK) | 1957 BELGRADE AVE, CHARLESTON, SC 29407 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| HARRIS TEETER 385 FREE PREVIEW (LOW RISK) | 2195 TEA PLANTER LN, MOUNT PLEASANT, SC 29466 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CREWS CHEVROLET FREE PREVIEW (LOW RISK) | 8199 RIVERS AVE, N CHARLESTON, SC 29418 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Charleston County, South Carolina Environmental Due Diligence
How many EPA-regulated environmental sites are in Charleston County, South Carolina?
Public U.S. EPA records track 2,661 regulated facilities in Charleston County, South Carolina (ranking #2 of 66 jurisdictions in SC). Of those, 23 (0.9%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 28 (1.1%) have active non-compliance quarters.
Which ZIP codes and cities in Charleston County have the highest regulated facility density?
Within Charleston County, the highest concentrations of EPA-tracked facilities are located in ZIP 29405 (North Charleston, 421 sites), ZIP 29464 (Mt Pleasant, 274 sites), ZIP 29406 (N Charleston, 221 sites), spanning municipal corridors including Charleston (1,083 sites), North Charleston (548 sites), N Charleston (256 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Charleston County?
Across Charleston County, 1,010 facilities (38.0% 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 Charleston County, SC?
Geologic indoor air screening places Charleston 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 Charleston County, SC?
Federal records track 61 Safe Drinking Water (SDWIS) facilities, 1,474 Clean Water Act NPDES permits, and 31 impaired water dischargers in Charleston County, alongside 6 historical FEMA federal disaster declarations (5 flood/storm events).
Does Charleston County, SC have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Charleston County indicates a LOW 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.