The bomb was discovered while digging sand in the creek near Pyuchaung railroad by local people in the weekend.
With the help of a couple of cows, 15 people managed to pull the over-1-meter-long bomb out of the sand, the report said.
The bomb, marked with GP-1000 KLM 65 Loy MPF 8, has been transferred to the police authorities for further action, the report added.