| Location | Nuclear facility | Closest waters | Liquid (TBq) | Steam (TBq) | Total (TBq) | Total (mg) | year |
|---|---|---|---|---|---|---|---|
 United Kingdom | Heysham nuclear power station B | Irish Sea | 396 | 2.1 | 398 | 1,115 | 2019 |
| United Kingdom | Sellafield reprocessing facility | Irish Sea | 423 | 56 | 479 | 1,342 | 2019 |
 Romania | Cernavodă Nuclear Power Plant Unit 1 | Black Sea | 140 | 152 | 292 | 872 | 2018 |
 France | La Hague reprocessing plant | English Channel | 11,400 | 60 | 11,460 | 32,100 | 2018 |
 South Korea | Wolseong Nuclear Power Plant | East Sea | 107 | 80.9 | 188 | 671 | 2020[2] |
 Taiwan | Maanshan Nuclear Power Plant | Luzon Strait | 35 | 9.4 | 44 | 123 | 2015 |
 China | Fuqing Nuclear Power Plant | Taiwan Strait | 52 | 0.8 | 52 | 146 | 2020 |
| China | Sanmen Nuclear Power Station | East China Sea | 20 | 0.4 | 20 | 56 | 2020 |
 Canada | Bruce Nuclear Generating Station A, B | Great Lakes | 756 | 994 | 1,750 | 4,901 | 2018 |
| Canada | Darlington Nuclear Generating Station | Great Lakes | 220 | 210 | 430 | 1,204 | 2018 |
| Canada | Pickering Nuclear Generating Station Units 1-4 | Great Lakes | 140 | 300 | 440 | 1,232 | 2015 |
 United States | Diablo Canyon Power Plant Units1, 2 | Pacific Ocean | 82 | 2.7 | 84 | 235 | 2019 |
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- ↑ "Basic policy on handling of the ALPS treated water" (PDF). Ministry of Economy, Trade and Industry. 13 April 2021.
- ↑ "2020년도 원전주변 환경방사능 조사 및 평가보고서" [2020 Environmental Radiation Survey and Evaluation Report Around Nuclear Power Plant]. Korea Hydro & Nuclear Power. 26 April 2021. p. 25. (table 8)