The company says it could release up to 11,500 tons of radioactive water into the sea.
Highly radioactive water was later found in trenches at three of the units.
This would increase the amount of highly radioactive water that had accumulated in the buildings.
The company said it did not know how much radioactive water had leaked.
Next to the spring with slightly radioactive water lies a small chapel from 1689.
Its like saying people get cancer,as a reason to drink radioactive water.
You may have heard that some workers were exposed to radioactive water.
The radioactive water did not escape from the building.
The company is set to start operating filters for highly radioactive water from June 15th.
Where does the radioactive water being used to cool the sites go?