Kantale Dam  The Kantale Dam ) is a large embankment dam built in Kantale, Trincomalee District, Sri Lanka, used for irrigation. It is long, and over high. The dam breached on , killing more than 120 people. It has since been reconstructed. The dam impounds the Per Aru, a small river discharging into the Koddiyar Bay, at Trincomalee Harbour. According to Mahavamsa, the tank was built by king Aggabodhi II of Anuradhapura and further developed by King Parakramabahu the Great. It was also known as Gangathala Vapi at the time. The reservoir has a catchment area of and a capacity of . On at 03:00 AM, the dam breached, sending a wall of water over the villages downstream. The floods killed approximately 120–180 people, destroyed over 1,600 houses and 2,000 acres of paddy, affecting over 8,000 families. One of the main causes of the breach was said to be due to extra-heavy vehicles being driven over the dam.