News of dead fish on Lake Greenwood understandably raised concerns among anglers. Anyone planning Fishing in Lake Greenwood may wonder whether a legally caught bass, crappie, bream, or catfish is still suitable for the dinner table.
Based on the latest official information, South Carolina environmental officials have not identified a current concern with eating fish caught from Lake Greenwood. However, anglers should understand what happened, what testing found, and which precautions still make sense.
What Happened During the 2026 Fish Kill?
The incident occurred from April 13 through April 20, 2026. Initial reports came from the Cross Hill area, with most affected fish found in the lower portion of the lake below the lower railroad trestle.
Species involved included crappie, yellow perch, bluegill, flathead catfish, and striped bass. Although several common causes were considered, officials had not confirmed the cause of the event in their latest published update.
Readers who want to understand the lake’s wider fish population can also visit What Kind of Fish Does Lake Greenwood Have?
Is There a Fish Consumption Advisory for Lake Greenwood?
As of the latest SCDES updates, Lake Greenwood does not have a mercury- or PCB-based fish consumption advisory. The agency also states that routine monitoring and specialized sampling do not indicate a concern with consuming fish or recreating on the lake.
That distinction matters. A fish kill does not automatically mean every living fish in the lake is unsafe to eat.
Fish kills may result from several environmental, biological, or human-related factors. A formal consumption advisory is issued when testing shows contaminant levels that require people to limit or avoid certain fish.
For a broader look at catch limits and lake-specific requirements, read Fishing Regulations in Lake Greenwood: What Every Angler Must Know before keeping fish.
What Did the Fish Testing Find?
SCDES collected live fish from areas associated with the incident and tested fillets and whole-body samples. Species included largemouth bass, bluegill, redear sunfish, channel catfish, and flathead catfish.
The testing covered:
- Mercury and trace metals
- Multiple pesticide groups
- PCBs
- PAHs
- Dioxins and furans
Arsenic, cadmium, lead, selenium, and tin were below laboratory reporting limits. Mercury was detected in some samples, but SCDES said those levels were consistent with historical Lake Greenwood and statewide data.
PCBs in the tested dead-fish composite were below reporting limits, while all tested PAHs were below reporting limits across the samples.
What About the Pesticides That Were Detected?
The final round of tissue testing detected dieldrin, heptachlor epoxide, and p,p’-DDE in several samples. These are long-banned chemicals or breakdown products known to persist in soil, sediment, and food chains.
SCDES said the detected concentrations fell within ranges reported in broader national studies and were unlikely to have caused the April fish kill. The agency continued to state that its data did not indicate a consumption concern.
This is why official laboratory results are more useful than judging water or fish only by appearance. Chemical contamination cannot always be identified by sight or smell.
Should You Eat Fish Found Dead or Dying?
No. The state’s finding applies to fish legally caught alive, not fish found floating, decomposing, behaving abnormally, or appearing sick.
Public health guidance recommends avoiding fish found dead, decomposing, or visibly unhealthy. Keep only fresh, healthy-looking fish that you catch legally and place them on ice promptly.
If you see another group of dead or distressed fish during a Lake Greenwood Fishing Trip, do not collect them. Report the location and affected species to SCDNR through its fish-kill reporting service.
Which Fish are Better Choices for the Table?
SCDES generally recommends choosing smaller legal fish, varying the species you eat, and avoiding repeated meals from only one source. Larger and older predatory fish may accumulate more mercury over time.
For anglers deciding what they may encounter during a visit, What Fish Are Biting on Lake Greenwood, SC? offers a useful seasonal overview.
People who are pregnant, may become pregnant, are breastfeeding, or are feeding young children should pay particular attention to state fish-consumption guidance. SCDES advises at-risk groups to eat no more than one freshwater fish meal per week from waters without an advisory.
Does Cooking Remove All Contaminants?
Proper cooking helps prevent foodborne illness, but it does not remove every environmental contaminant.
Trimming the skin and fatty portions and allowing fat to drain during cooking may reduce exposure to PCBs. However, cooking does not remove mercury from the fish.
Keep the fish cold after the catch, clean it carefully, avoid puncturing the internal organs, and cook the fillets thoroughly.
Can You Still Plan a Fishing Trip?
Yes. Current official monitoring does not indicate a concern with fishing, boating, swimming, or eating legally caught fish from Lake Greenwood. The early precaution to avoid affected areas was later lifted after water-quality monitoring showed normal conditions.
Visitors unfamiliar with the lake may also find Planning Your First Lake Greenwood Fishing Trip: What You Need to Know helpful for licenses, boating preparation, and what to bring.
Because the investigation’s cause had not yet been confirmed, Lake Greenwood fishermen should continue checking SCDES and SCDNR updates before their visit.
