BBC: This isn't the first water leak at the plant. What is going on?
The ongoing problem with water seems to be coming, in the main, from poorly constructed storage tanks.
Tepco, the company that operates Fukushima, is using huge volumes of water every day to cool the reactors that once generated electricity at the plant.
When the water comes in contact with fuel rods at the heart of the reactors, it becomes highly radioactive and has to be stored in large containers on the site where the water...