The dam wall is located just below the junction of the Leichhardt River and Paroo Creek some 70 km (43 mi) North East of Mount Isa.

With a catchment area of 4,845 km2 (1,871 sq mi) it has a full supply capacity, at a supply level of 223.54m AHD, of 107,500 ML (3,800×10^6 cu ft), a surface area of 1,255 ha (3,100 acres) with an average depth of 8.9 m (29 ft).

The spillway is a precast superstructure and the dissipation slab at ground level is post tensioned to the foundation rock.

The high being due to record breaking rainfall upstream in the Mt.

[2] SunWater is undertaking a dam spillway capacity upgrade program.