The multipurpose project, undertaken by Indian Government on river Chist-e-Sharif in the province concerned, is expected to irrigate 75,000 hectares of land and generate 42 mega watt power, besides ensuring water supply and other benefits to local people.
Touted as a "landmark" infrastructure project, the dam is located 165 km east of Herat town and connected with earthen road, the Union Water Resources Ministry said in a statement.
"Due to security reasons Indian engineers and technicians involved with the project have been reaching the site once in a month by helicopter service provided by Government of Afghanistan," the statement said.
"Cement, steel reinforcement, explosives etc were imported to Afghanistan from neighboring countries. The gross capacity of the Dam is 633 Million M3. The height of the Dam is 104.3 Mt, length 540 Mt and width at the bottom is 450 Mt," it said.
Funded by Indian Government, the successful completion of the project represents culmination of years of hard work by 1,500 Indian and Afghan engineers and other professionals in "very difficult" conditions, the Ministry said.