"Radioactive" doesn't really mean shit without a dosage. It's a scary word and all, but pretty much everything is radioactive to some extent. You can literally measure it using bananas.
So, how much radioactive water are we talking about? How radioactive is that water? At what rate is it being released into the ocean? How much radiation can the local plants and critters tolerate before it becomes a health risk for them?
And the most important question: is sushi about to become affordable??