Union County, South Carolina — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Union County, South Carolina, public U.S. EPA records track 194 regulated facilities (#31 of 66 in South Carolina), including 3 (1.5%) High-Risk sites and $38,800 in federal penalties. Countywide due diligence also covers 10 Safe Drinking Water (SDWIS) facilities, 119 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).
Union 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📊 Union County, SC Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Union County
ZIP Codes in Union County
Top EPA Regulated Facilities in Union 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 • LOCKHART, SC (ZIP 29706 Sector) | HIGH (67/100) | Violation Identified (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • UNION, SC (ZIP 29379 Sector) | HIGH (66/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • UNION, SC (ZIP 29379 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • UNION, SC (ZIP 29379 Sector) | MODERATE (37/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • UNION, SC (ZIP 29379 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • UNION, SC (ZIP 29379 Sector) | MODERATE (34/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • UNION, SC (ZIP 29379 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • JONESVILLE, SC (ZIP 29353 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| SONOCO PRODUCTS COMPANY INC MOLDED PLASTICS DIVISION FREE PREVIEW (LOW RISK) | 242 SONOCO RD, UNION, SC 29379 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MYCOWORKS SOUTH CAROLINA FREE PREVIEW (LOW RISK) | 260 MIDWAY DR, UNION, SC 29379 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MILLIKEN & CO/CEDAR HILL PLANT FREE PREVIEW (LOW RISK) | 225 BOB LITTLE RD, JONESVILLE, SC 29353 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MILLIKEN MONARCH FREE PREVIEW (LOW RISK) | 129 MONARCH HIGHWAY, UNION, SC 29379 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Union County, South Carolina Environmental Due Diligence
How many EPA-regulated environmental sites are in Union County, South Carolina?
Public U.S. EPA records track 194 regulated facilities in Union County, South Carolina (ranking #31 of 66 jurisdictions in SC). Of those, 3 (1.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 10 (5.2%) have active non-compliance quarters.
Which ZIP codes and cities in Union County have the highest regulated facility density?
Within Union County, the highest concentrations of EPA-tracked facilities are located in ZIP 29353 (Jonesville, 22 sites), ZIP 29364 (Lockhart, 10 sites), ZIP 29321 (Buffalo, 9 sites), spanning municipal corridors including Jonesville (22 sites), Lockhart (11 sites), Buffalo (7 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Union County?
Across Union County, 72 facilities (37.1% 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 Union County, SC?
Geologic indoor air screening places Union 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 Union County, SC?
Federal records track 10 Safe Drinking Water (SDWIS) facilities, 119 Clean Water Act NPDES permits, and 2 impaired water dischargers in Union County, alongside 8 historical FEMA federal disaster declarations (7 flood/storm events).
Does Union County, SC have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Union 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.