What will the long-term solution be here?? How will they keep these reactors from a total meltdown?

"The dumping was intended both to help cool the reactor and to replenish water in a pool holding spent fuel rods, Toyama said. The plant's owner, Tokyo Electric Power Co., said earlier that the pool was nearly empty, which might cause the rods to overheat."  READ MORE:

http://www.huffingtonpost.com/2011/03/17/japan-helicopter-dump-seawater-reactor_n_836921.html