Sumter County, SC
The federal environmental record for Sumter County (population 104,165): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
3
federal cleanup sites
1
PFAS-detecting water systems
17
TRI facilities
69
open tank releases
Drinking water: PFAS testing
Public water systems serving Sumter 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 |
|---|---|---|
| SHAW AFB (SC4310501) SC4310501 | PFHxS: 19 ng/L PFOS: 6.2 ng/L PFOA: 6.1 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
17 facilities in Sumter filed TRI reports for 2024, totalling 404k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| PILGRIM'S PRIDE SUMTER PROCESSING PLANT | SUMTER | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Peracetic acid | 340k lb |
| SKF PLANT 12B | SUMTER | Methanol | 20k lb |
| BD LIFE SCIENCES | SUMTER | Zinc compounds | 15k lb |
| NOVA MOLECULAR SUMTER LLC | SUMTER | Acetonitrile, Formaldehyde | 12k lb |
| NOVA MOLECULAR RECOVERY QOZB HOLDINGS LLC | SUMTER | Acetonitrile, Ammonia | 7k lb |
| SUMTER COATINGS INC | SUMTER | Xylene (mixed isomers), Zinc compounds | 6k lb |
| KAYDON CORP PLANT 12 | SUMTER | Methanol | 2k lb |
| GIANT RESOURCE RECOVERY-SUMTER INC | SUMTER | Acetonitrile | 2k lb |
| CONTINENTAL TIRE THE AMERICAS LLC | SUMTER | Zinc compounds, Cobalt compounds | 693 lb |
| US DOD USAF SHAW AFB | SHAW AFB | Naphthalene, Lead | 9 lb |
| ARMOLOY SOUTHEAST INC. | SUMTER | Chromium | 5 lb |
| CONCRETE SUPPLY CO. LLC - SHAW | SUMTER | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead And Lead Compounds | 2 lb |
| APEX TOOL GROUP LLC SUMTER SC OPERATION | SUMTER | - | 0 lb |
| CATERPILLAR PRECISION PIN PRODUCTS GROUP | SUMTER | - | 0 lb |
| SANTEE PRINT WORKS | SUMTER | - | 0 lb |
| PILGRIM'S PRIDE SUMTER FEED MILL | SUMTER | - | 0 lb |
| CATERPILLAR IMPLEMENT & STEERING SYSTEM (SUMTER SC) | SUMTER | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 363 tank facilities in Sumter: 220 tanks in service and 866 closed. 230 fuel releases are on record, of which 69 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Sumter 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 Sumter, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- SHAW AIR FORCE BASESHAW AFB
- TURKEY CREEKSUMTER
- US DOD USAF POINSETT ELECTRONIC COMBAT RANGEWEDGEFIELD