Florence County, SC
The federal environmental record for Florence County (population 137,214): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
3
federal cleanup sites
1
PFAS-detecting water systems
15
TRI facilities
113
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Koppers Co., Inc. (Florence Plant) | Florence | deleted | 09/21/1984 |
Drinking water: PFAS testing
Public water systems serving Florence with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| FLORENCE CITY OF (SC2110001) SC2110001 | PFOS: 6.7 ng/L PFOA: 5.5 ng/L PFHxA: 3.8 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
15 facilities in Florence filed TRI reports for 2024, totalling 1.2M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| WESTROCK CP LLC | FLORENCE | Methanol, Manganese And Manganese Compounds | 965k lb |
| NAN YA PLASTICS CORP AMERICA | LAKE CITY | Acetaldehyde, Ethylene glycol | 76k lb |
| CHARLES INGRAM LUMBER CO | EFFINGHAM | Methanol, Formaldehyde | 66k lb |
| INTERNATIONAL KNIFE & SAW INC | FLORENCE | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 41k lb |
| NUCOR CORP VULCRAFT DIV | FLORENCE | Certain glycol ethers, Manganese | 29k lb |
| PATHEON API INC. | FLORENCE | Methanol, Dichloromethane | 13k lb |
| STEELFAB INC | FLORENCE | Xylene (mixed isomers), Manganese | 4k lb |
| KOPPERS INC. (FLORENCE SC) | FLORENCE | Creosote, Polycyclic aromatic compounds | 3k lb |
| PATHEON API SERVICES INC. | FLORENCE | Methanol, Methyl tert-butyl ether | 639 lb |
| CLARIOS LLC FLORENCE DC | FLORENCE | Lead And Lead Compounds | 442 lb |
| GE HEALTHCARE | FLORENCE | Lead, Chromium | 114 lb |
| THOMAS CONCRETE - FLORENCE | FLORENCE | Lead And Lead Compounds | 0 lb |
| CONCRETE SUPPLY CO LLC - ENVISION TEMP PLANT | FLORENCE | Lead And Lead Compounds | 0 lb |
| AMERICAN HONDA MOTOR CO. INC. | TIMMONSVILLE | - | 0 lb |
| CONCRETE SUPPLY CO - FLORENCE | FLORENCE | Lead And Lead Compounds | 0 lb |
Underground fuel tanks
EPA's UST Finder records 601 tank facilities in Florence: 385 tanks in service and 1,413 closed. 421 fuel releases are on record, of which 113 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Florence as Zone 3, the lowest predicted indoor radon (under 2 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Florence, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- CAROLINA EASTERN PESTICIDENICHOLS
- DUPONT EI FLORENCE MYLAR PLTFLORENCE
- KOPPERS CO., INC. (FLORENCE PLANT)FLORENCE