Radioactivity in seawater near the Fukushima Daiichi Nuclear Power Plant has remained low and stable from 15 to 22 February 2015, according to the regular update and sea area monitoring results provided by Japan's Nuclear Regulation Authority (NRA) to the IAEA.? An analysis of the seawater from the area around the outside of the port of Fukushima Daiichi was also received.

The Tokyo Electric Power Company (TEPCO) has posted a news release on its website containing measurements of contaminated water which was detected on Sunday, 22 February 2015.

Additionally, the NRA has provided the IAEA with information about a newly-discovered but unrelated puddle of highly contaminated water at the Unit 2 Reactor Building. More information on the puddle of rainwater was posted on .