Massanjore is a city in Jharkhand. Massanjore dam, across the Mayurakshi River, is in Dumka district of Jharkhand State. Built with Candian aid, it is also called Canada Dam or Pearson Dam. It was commissioned in 1956. The dam is 155 feet high from its base and is 2170 feet long. The reservoir has an area of 16,650 acres when full and has a storage capacity of 500,000 acre feet. Apart from the Massanjore Dam there is a barrage at Tilpara, near Siuri. The barrage is 1,013 feet long.