TOKYO — Japan’s nuclear watchdog on Wednesday said a leakage of highly radioactive water at the crippled Fukushima nuclear power plant could be the beginning of a new disaster — a series of leaks of contaminated water from storage tanks.
The operator of the plant has built hundreds of steel tanks to store massive amounts of radioactive water coming from three melted reactors, as well as underground water running into reactor and turbine basements.
Tokyo Electric Power Co. said on Tuesday that about 300 tons (300,000 liters, 80,000 gallons) of contaminated water leaked from one of the tanks. It said it hasn’t figured out how or where the water leaked, but suspects it did so through a seam. Full story for BostonGlobe.com subscribers.