The Tokyo Electric Company ( TEPCO) has been releasing the data of radioactivity monitoring results in the sea and groundwater, as well as counter measures information after Fukushima nuclear accident.The dis-tribution of pollutions in sea water and ground water was analyzed and the measures, taken by the TEPCO and Japanese government against increasing contaminated water due to ground water intrusion, were summarized.It will provide a reference for nuclear accident radioactive water pollution control.%采用日本东京电力株式会社截止到2013年8月底公布的海洋、地下水中放射性水平监测资料，以及采取的对策等资料，分析了福岛核事故后海水和地下水中主要污染物的分布情况，总结了TEP-CO和日本政府针对地下水入侵导致污染水日益增加的情况采取的战略对策及具体防治措施，为核事故下水体放射性污染防治提供借鉴。
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