南腾2水电站尾水3号闸灌区位于老挝中部地区甘蒙省，灌区规划灌溉面积为4.5万亩，实际灌溉面积约为4.2万亩，工程总投资3100万美元。2013年9月开始施工，2015年1月建成运行。

The irrigation area of Nam Theun 2 Hydropower Station 3# Tailrace Gate is located in Khammouane Province in the central region of Laos, with a planned irrigation area of 3,000 ha, and the actual irrigation area is about 2,800 ha, with a total cost of USD 31 million. This project was commenced in September 2013 and constructed in January 2015.