Radioactive wasp nest found at site where U.S. once made nuclear bombs
The nest at a site in South Carolina had a radiation level 10 times what is allowed by federal regulations, but it does not present a danger, officials said.
Wasps at the entrance of their nest.Alexander W Helin / Getty Images file
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Aug. 1, 2025, 5:19 AM EDT / Source: The Associated Press
By The Associated Press
COLUMBIA, S.C. — Workers at a site in South Carolina that once made key parts for nuclear bombs in the U.S. have found a radioactive wasp nest but officials said there is no danger to anyone.
Employees who routinely check radiation levels at the Savannah River Site near Aiken found a wasp nest on July 3 on a post near tanks where liquid nuclear waste is stored, according to a report from the U.S. Department of Energy.
The nest had a radiation level 10 times what is allowed by federal regulations, officials said.
The workers sprayed the nest with insect killer, removed it and disposed of it as radioactive waste. No wasps were found, officials said.
The report said there is no leak from the waste tanks, and the nest was most likely radioactive through what it called “onsite legacy radioactive contamination” from the residual radioactivity left from when the site was fully operational.
The watchdog group Savannah River Site Watch said the report was at best incomplete since it doesn’t detail where the contamination came from, how the wasps might have encountered it and the possibility there could be another radioactive nest if there is a leak somewhere.
Knowing the type of wasp nest could also be critical — some wasps make nest out of dirt and others use different material which could pinpoint where the contamination came from, Tom Clements, executive director of the group, wrote in a text message.
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“I’m as mad as a hornet that SRS didn’t explain where the radioactive waste came from or if there is some kind of leak from the waste tanks that the public should be aware of,” Clements said.