At various points along rivers, temporary dams created by debris, namely trees, allowed a build up of water upstream.

This temporary dam was removed on July 1, 1999, which reduced the water level in the reservoir by fifty percent.

"I used the spare Keldara to put a temporary dam in up there," Meller said.

A young boy drowned in 1963, while playing on a makeshift raft, on the water behind a temporary dam built for the project.

At times it is blocked off by a temporary dam to allow members of the public to descend the shaft on a winch.

The temporary dam was then moved to the other side of the river, where the process was repeated.

We'll even build a temporary dam and water diversion system upstream in case of a sudden flood.

The temporary dam was replaced by a permanent earthfill dam.

Prior to this, logging interests would build temporary dams at the site.

During its construction on 6 March 1909, a temporary dam collapsed, killing 14 navvies.