Calhoun County, South Carolina — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Calhoun County, SC?
In Calhoun County, South Carolina, public U.S. EPA records track 135 regulated facilities (#39 of 66 in South Carolina), including 3 (2.2%) High-Risk sites and $33,300 in federal penalties. Countywide due diligence also covers 14 Safe Drinking Water (SDWIS) facilities, 76 Clean Water NPDES permits, 8 FEMA Federal Disaster Declarations (7 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
Calhoun 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📊 Calhoun County, SC Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Calhoun County
ZIP Codes in Calhoun County
Top EPA Regulated Facilities in Calhoun 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 • GASTON, SC (ZIP 29053 Sector) | HIGH (69/100) | Violation Identified (7 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GASTON, SC (ZIP 29053 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SAINT MATTHEWS, SC (ZIP 29135 Sector) | MODERATE (46/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GASTON, SC (ZIP 29053 Sector) | MODERATE (34/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GASTON, SC (ZIP 29053 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • ST MATTHEWS, SC (ZIP 29135 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GASTON, SC (ZIP 29053 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ST. MATTHEWS, SC (ZIP 29135 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| WMC STEEL SC LLC FREE PREVIEW (LOW RISK) | 289 WILBERT WAY, SAINT MATTHEWS, SC 29135 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MORTON CUSTOM PLASTICS FREE PREVIEW (LOW RISK) | 130 WORTHINGTON DRIVE, SAINT MATTHEWS, SC 29135 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| LONE STAR SOLAR PV FREE PREVIEW (LOW RISK) | 925 LONE STAR, CAMERON, SC 29030 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| SCDOT BILLINGER LN FREE PREVIEW (LOW RISK) | BILLINGER LN AT DEAD END, CALHOUN, SC 99999 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Calhoun County, South Carolina Environmental Due Diligence
How many EPA-regulated environmental sites are in Calhoun County, South Carolina?
Public U.S. EPA records track 135 regulated facilities in Calhoun County, South Carolina (ranking #39 of 66 jurisdictions in SC). Of those, 3 (2.2%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 4 (3.0%) have active non-compliance quarters.
Which ZIP codes and cities in Calhoun County have the highest regulated facility density?
Within Calhoun County, the highest concentrations of EPA-tracked facilities are located in ZIP 29053 (Gaston, 98 sites), ZIP 29135 (St Matthews, 50 sites), ZIP 29047 (Elloree, 20 sites), spanning municipal corridors including Gaston (90 sites), Elloree (19 sites), St Matthews (16 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Calhoun County?
Across Calhoun County, 30 facilities (22.2% 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 Calhoun County, SC?
Geologic indoor air screening places Calhoun 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 Calhoun County, SC?
Federal records track 14 Safe Drinking Water (SDWIS) facilities, 76 Clean Water Act NPDES permits, and 2 impaired water dischargers in Calhoun County, alongside 8 historical FEMA federal disaster declarations (7 flood/storm events).
Does Calhoun County, SC have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Calhoun County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.