As of 2026-10-12, Singur Dam tops the list with 30 km3.
- #1 Singur Dam — 30 km3
dam in India
Singur Dam also written as Singoor is an irrigation, hydroelectric and drinking water project located in Singooru village near Sangareddy district in Telangana, India. It is a major source of drinking water for Hyderabad city. Read more on Wikipedia.
Wikidata - #2 Ilha Solteira Hydroelectric Power Plant — 21 km3
dam and hydroelectric power plant on the Paraná River, between São Paulo and Mato Grosso do Sul, Brazil
The Ilha Solteira Dam is an embankment dam on the Paraná River near Ilha Solteira in São Paulo, Brazil. It was constructed between 1967 and 1973 for hydroelectric power production, flood control and navigation. After launch of last generator in 1978, HPP was the 6th largest in the world. Read more on Wikipedia.
Wikidata - #3 Gura Râului Dam — 18 km3
Reservoir and dam in Gura Râului (also: Gura Rîului; German: Auendorf or Guraro, Hungarian: Guraró) in the Sibiu district in the Transylvania region in Romania.
source Wikidata - #4 Billings Reservoir — 11 km3
lake in Brazil
The Billings Reservoir is the largest reservoir in São Paulo, Brazil, covering a total of 127 km2 (49 sq mi). It is named after Asa White Kenney Billings, the American hydroelectric engineer who was instrumental in building it. The Portuguese word represa also means "dam". Read more on Wikipedia.
Wikidata - #5 Luiz Gonzaga Dam — 11 km3
dam in Brazil
The Luiz Gonzaga Dam, formerly known as the Itaparica Dam, is a rock-fill embankment dam on the São Francisco River 25 kilometres (16 mi) downstream of Petrolândia in Pernambuco, Brazil. The dam was built for navigation, and hydroelectric power generation as it supports a 1,479 megawatts (1,983,000 hp) power station. It was constructed between 1979 and 1988; the last of its generators was commissioned in 1990. Read more on Wikipedia.
Wikidata - #6 Prata — 9 km3
dam in Goianinha, Rio Grande do Norte, Brazil
source Wikidata - #7 Castanhão — 7 km3
dam in Alto Santo, Ceará, Brazil
source Wikidata - #8 Castanhão Dam — 7 km3
dam in Jaguaribara, Ceará
The Castanhão Dam is a dam in the state of Ceará, Brazil. It is the largest multiple use reservoir in the country, the largest on an intermittent river, and the main reservoir for the state and the metropolitan region of Fortaleza. The dam supplies drinking water, and supports industry, irrigation and fish farming. Through steady release of water the dam maintains water flow in the Jaguaribe River throughout the year. During 2012–16 Ceará experienced a prolonged drought. Water levels in... Read more on Wikipedia.
Wikidata - #9 Urucará — 5 km3
dam in Arez, Rio Grande do Norte
source Wikidata - #10 Barragem Novo Angicos — 4 km3
dam in Angicos, Rio Grande do Norte, Brazil
source Wikidata