The evacuation was carried out by the MFSD on Tuesday as the Thaungyin River rose above danger levels following heavy rain, it said, Xinhua reported.
According to the Department of Meteorology and Hydrology on Wednesday, the river in Myawaddy has risen about 12 feet above the danger level and is expected to remain at risk for another day.
The local residents have been moved to temporary rescue camps, the MFSD said.