If you were unaware everything in oceans are contaminated by now, yes Fukushima its still leaking into the ocean.

Does anyone remember when Putin offered assistance to build a protective dam to hold pollution in place to keep it out of the ocean?

The Fukushima nuclear disaster was a 2011 nuclear accident at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima, Japan. The proximate cause of the disaster was the 2011 Tōhoku earthquake and tsunami that occurred 11 March 2011. It was the most severe nuclear accident since the Chernobyl disaster in 1986. Wikipedia