List of Largest Dams in the World based on Structure and Volume of the Reservoir.
| Rank | Name | Country | Year completed | Structure Height[Meters] | Reservoir Volume[109 m3] | Structure Volume[106 m3] | |||||
| 1 | Syncrude Tailings DamMildred MLSB | Canada | 1995 | 88 | 0.35 | 540/720 | |||||
| 2 | Tarbela Dam | Pakistan | 1976 | 143 | 13.7 | 153 | |||||
| 3 | Syncrude Tailings DamMildred SWSS | Canada | 2010 | 40-50 | 0.25 | 119 | |||||
| 4 | Fort Peck Dam | United States | 1940 | 76.4 | 23 | 96 | |||||
| 5 | Atatürk Dam | Turkey | 1990 | 166 | 48.7 | 84.5 | |||||
| 6 | Houtribdijk | Netherlands | 1968 | 13 | 0 | 78 | |||||
| 7 | Oahe Dam | United States | 1963 | 75 | 29 | 70.3 | |||||
| 8 | Gardiner Dam | Canada | 1967 | 64 | 9.4 | 65.4 | |||||
| 9 | Mangla Dam | Pakistan | 1967 | 147 | 7.25 | 65.4 |
