Tokyo, Aug. 21: Japan’s Tokyo Electric Power Co. (Tepco) seems to be unable to contain the flow of underground water at the crippled Fukushima No. 1 nuclear plant, as the tanks used by the company to store highly tainted water were reportedly leaking.
Experts have said that Tepco needs to get accurate data about the amount, depth and detailed flow paths of groundwater to take effective measures for restraining the contaminated water from reaching the Pacific ocean, the Japan Times reports.
According to the report, about 400 tons out of the total 1,000 tons groundwater that flows from the mountains under the nuclear complex daily, penetrates the basement walls of the reactors 1 to 4 and mixes with the highly radioactive coolant water leaking from the containment vessels.
Tepco also suspects that about half of the remaining 600 tons flowing into the sea is getting contaminated somewhere else under the plant.
Tepco will have to deal with radioactive groundwater for almost 40 years before the reactors are safely neutralized, the report added.
The experts have also said that Tepco needs to collect more data from a wider area, even where it doesn’t have monitoring wells to check groundwater flows.
The large volume of groundwater that has been flowing under the plant reactors also runs the possibility that the land, on which the plant stands, will liquefy if another major earthquake hits. (ANI)