The Rifle Creek Dam is a concrete arch dam across the Rifle Creek, located approximately southeast of Mount Isa, in north-western Queensland, Australia. The dam is owned by Mount Isa Mines and serves as a back-up for the supply of industrial water for the Mount Isa mine.
Completed in 1929 to replace the earlier Experimental Dam the first arch dam in Queensland that was completed in September 1925 the Rifle Creek Dam is high and long. The resultant reservoir draw from a catchment area of
When the dam was built, the capacity of the reservoir was and its purpose was for the supply of potable water to the town of Mount Isa; as well as industrial use for the mine. The spillway was raised in 1953 to the current capacity. In 1958, Lake Moondarra replaced Rifle Creek Dam as Mount Isa's primary water supply. Rifle Creek Dam now serves as a backup water supply for Mt Isa Mines.