共同実施
Vacha Reservoir ( Yazovir Vacha; before 1999: Antonivanovtsi Reservoir) is a body of water associated with a dam in Devin Municipality, south Bulgaria. It is part of the Vacha Cascade Joint Implementation Project involving three more dams and four power stations. The two other existing dams on the Vacha River are the Kamak Dam and the Tsankov Dam; the Krichim Dam is in the implementation stage.