The Alkumru Dam is an rock-fill embankment dam

Embankment dam

An embankment dam is a massive artificial water barrier. It is typically created by the emplacement and compaction of a complex semi-plastic mound of various compositions of soil, sand, clay and/or rock. It has a semi-permanent waterproof natural covering for its surface, and a dense, waterproof...

 on the Botan River

Botan River

The Botan River is a tributary of the Tigris River in Siirt Province of southeastern Turkey.It originates in the high mountains west of the Nordüz Plateau, which form the border of Siirt Province to Hakkari and Van, and flows eastwards before it turns to the northwest. The river has shaped a...

, located 14 km (9 mi) east of Siirt

Siirt

- External links :* * * *...

 in Siirt Province

Siirt Province

Siirt Province is a province of Turkey, located in the southeast. The province borders Bitlis to the north, Batman to the west, Mardin to the southwest, Şırnak to the south, and Van to the east. It has an area of 5,406 km² and a total population of 300,695...

, Turkey. The dam was constructed between 2008 and 2011. It was inaugurated by President Abdullah Gül

Abdullah Gül

Dr. Abdullah Gül, GCB is the 11th and current President of the Republic of Turkey, serving in that office since 28 August 2007. He previously served for four months as Prime Minister from 2002-03, and as Minister of Foreign Affairs from 2003-07....

 and Prime Minister Recep Tayyip Erdoğan

Recep Tayyip Erdogan

Recep Tayyip Erdoğan has been Prime Minister of Turkey since 2003 and is chairman of the ruling Justice and Development Party , which holds a majority of the seats in the Grand National Assembly of Turkey. Erdoğan served as Mayor of Istanbul from 1994 to 1998. He graduated in 1981 from Marmara...

on 19 May 2011. Its primary purpose is hydroelectric power generation and it supports a 265.5 MW power station. The first two generators were commissioned in March 2011 with the third and final in April 2011.