Largest artificial lakes by volume

As of 2026-10-12, Lake Nigat tops the list with 74 km3.

1. #1 Lake Nigat — 74 km3

   reservoir in Ethiopia

   Nigat Lake is an artificial reservoir in Ethiopia, created by the impoundment of the Blue Nile River by the Grand Ethiopian Renaissance Dam (GERD). At full capacity, it is one of the largest reservoirs in Africa and among the largest worldwide, with a storage volume exceeding 70 billion cubic metres—greater than Lake Volta in Ghana, comparable to Lake Nasser on the Egypt–Sudan border, and ranking alongside global megaprojects such as Lake Kariba and China’s Three Gorges Reservoir. The... Read more on Wikipedia.

   Wikidata
2. #2 Lake Milh — 26 km3

   lake in Iraq

   source Wikidata
3. #3 Lokka Reservoir — 1 km3

   reservoir in Sodankylä, Finland

   source Wikidata
4. #4 Sihwa lake — 0 km3

   lake made by the Sihwa tidal barrage

   source Wikidata
5. #5 Tbilisi Reservoir — 0 km3

   reservoir in Tbilisi, Georgia

   source Wikidata
6. #6 Rutland Water — 0 km3

   reservoir in Rutland, England

   Rutland Water is a reservoir, an artificial lake, in Rutland, England, east of Rutland's county town, Oakham. It is filled by pumping from the River Nene and River Welland, and provides water to the East Midlands. By surface area it is the largest artificial reservoir in the United Kingdom, but its capacity is exceeded by that of Kielder Water in Northumberland. Its maximum depth is 33 m (108 ft). Read more on Wikipedia.

   Wikidata
7. #7 Lake Hanfeng — 0 km3 source Wikidata
8. #8 Zabumbão Reservoir — 0 km3

   reservoir in Brazil

   source Wikidata
9. #9 Sarnaghbyur Reservoir — 0 km3 source Wikidata
10. #10 Lake Turna — 0 km3

    lake in İpekyolu, Van, Turkey

    source Wikidata