In the case of dams in the Mahaweli river, a breach of one dam could have a snowball effect adding pressure to downstream dams which may also succumb if action is not taken quick enough. So it is ...

The project mainly consisted of the construction of a 94 m high, 485 m long rock-fill dam across the Mahaweli river, creating a reservoir of 860 million cu.m., and building a power house on the left ...