Low-level tritium leak found at Oconee nuclear power plant

Duke Energy said a leak containing low-level tritium assumed to be greater than 100 gallons of water was discovered at the Oconee Nuclear Station in South Carolina on May 7.


A water sample indicated that the tritium level was 3,150 picocuries per liter, which is less than a quarter of the U.S. Environmental Protection Agency‘s drinking water standard of 20,000 picocuries per liter for tritium. Duke said in the report to the U.S. Nuclear Regulatory Commission that the leak had the potential to reach groundwater, but that there was no health or safety impact to the public or employees.

The report said water was seen seeping from the ground at a location near transfer piping between chemical treatment ponds. When the transfer was ended, the ground seepage subsided.

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