The latest woes followed other leaks that left the Lacey Township reactor's crucial safety liner rusted and thinned.
The U.S. Nuclear Regulatory Agency and the plant's owners insist the plant can operate safely until it is 60 years old. One environmentalist calls the plant a 1969 Buick in a Prius world.
The NRC is looking for better ways to detect and prevent leaks like those at Oyster Creek at all 104 American nuclear plants.
