Lake Julius
Lake Julius was formed following the construction of Julius Dam in 1976 for irrigation and town water storage. The dam wall is located just below the junction of the Leichhardt River and Paroo Creek some North East of Mount Isa. It has a full supply capacity of, a surface area of with an average depth of.
The dam is unique in Queensland and is a concrete multiple arch and buttress type structure, with the spillway discharging over the tops of the arches. The spillway crest is above bed level. The arch barrels, founded on a triangular arch base, are constructed in independent arch rings and are hinged at buttress springing lines. The spillway is a precast superstructure and the dissipation slab at ground level is post tensioned to the foundation rock.
The dam has a total storage capacity of, and has a full supply level of 223.54m AHD
SunWater is undertaking a dam spillway capacity upgrade program.
