As of 2026-10-12, Seimare Dam tops the list with 3 km3.
- #1 Seimare Dam — 3 km3
dam in Badreh County, Iran
Seimare Dam, also known as Hini Mini or spelled Seymareh, is an arch dam on the Seimare River in Badreh County, Ilam Province, Iran. The primary purpose of the dam is hydroelectric power generation. Studies for the dam were carried out in the mid to late 1970s and construction began on the diversion works in 1997. In 2006, concrete placement began and on 19 May 2011, the dam began to impound the river. The dam's first generator became operational in 2013. The power plant, located downstream,... Read more on Wikipedia.
Wikidata - #2 Zayanderud Dam — 1 km3
dam in Chadegan County, Iran
Zayanderud Dam, also spelled Zayandeh Rud Dam and formerly known as the Shah Abbas the Great Dam, is an arch dam on the Zayandeh River about 10 km (6.2 mi) east of Chadegan, Iran. The Zayanderud Dam is the main water reservoir with 1450 MCM capacity and has been exploited since 1971. Read more on Wikipedia.
Wikidata - #3 Rais Ali Dilavari Dam — 1 km3
dam in Dashtestan County, Iran
Rais Ali Dilavari Dam is a hydroelectric dam in Iran with an installed electricity generating capability of 70 MW. It is situated in Shabankareh, Bushehr Province. Read more on Wikipedia.
Wikidata - #4 Jiroft Dam — 0 km3
dam in Jiroft County, Iran
Jiroft Dam is a hydroelectric dam in Iran with an installed electricity generating capability of 85 MWh situated in Kerman Province. The fifth concrete dam built in the country, it was begun in 1975 and completed in 1992. It is located on Halil River (Halilrood) 40 km upstream of Jiroft in the narrow valley of Narab. Its reservoir capacity is around 410 million cubic metres up to the normal level. The maximum height of the dam is 134 m and the crest length is 277 m. Read more on Wikipedia.
Wikidata - #5 Manyuchi Dam — 0 km3
dam
Manyuchi Dam forms a reservoir on the Mwenezi River in southern Zimbabwe. It is located in the Mwenezi District. The building of the dam was financed by the Mwenezi Development Corporation. The dam was built to irrigate oil palm estates. Read more on Wikipedia.
Wikidata - #6 Al-Ghadir Dam — 0 km3
dam in Saveh County, Iran
source Wikidata - #7 Amir Kabir Dam — 0 km3
dam in Karaj County, Iran
Amir Kabir Dam, also known as Karaj Dam, is a dam on the Karaj River in the Central Alborz mountain range of northern Iran. Read more on Wikipedia.
Wikidata - #8 Shahid Rajaee Dam — 0 km3
dam in Sari County, Iran
Shahid Rajaee Dam, also known as the Soleyman Tangeh Dam, is an arch dam on the Tajan River, located about 38 km (24 mi) south of Sari in Mazandaran Province, Iran. The dam was built for hydroelectric power production, flood control and to provide water for industrial and agricultural use. Construction on the dam began in 1987 and it was complete in 1997. In 2000 the power plant portion of the project was given to Iran Water & Power Resources Development Co. from the Mazandaran Regional Water... Read more on Wikipedia.
Wikidata - #9 Cordeaux Dam — 0 km3
dam in New South Wales, Australia
The Cordeaux Dam is a gravity dam across the Cordeaux River, located in Cordeaux, in the Southern Highlands of New South Wales, Australia. Completed in 1926 under the supervision of Ernest Macartney de Burgh, the resultant reservoir was established to supply potable water to the Macarthur and Illawarra regions, the Wollondilly Shire, and metropolitan Sydney. Read more on Wikipedia.
Wikidata - #10 Glen Canyon Dam — 0 km3
dam on the Colorado River in Coconino County, Arizona, United States
Glen Canyon Dam is a concrete arch-gravity dam in the southwestern United States, located on the Colorado River in northern Arizona, near the city of Page. The 710-foot-high (220 m) dam was built by the Bureau of Reclamation (USBR) from 1956 to 1966 and forms Lake Powell, one of the largest man-made reservoirs in the U.S. with a capacity of more than 25 million acre-feet (31 km3). The dam is named for Glen Canyon, a series of deep sandstone gorges now flooded by the reservoir; Lake Powell... Read more on Wikipedia.
Wikidata