Lake Torrens Colonel Robert Torrens who was one of the founders of the South Australian colony. The lake filled in 1897 and again in April 1989. The 1989 filling resulted in the lake outflowing through the Pirie-Torrens Corridor to the Spencer Gulf, suggesting it likely did so in 1897 as well. It has a thin salt crust with red-brown clays beneath, which are soft and boggy. The area around the lake is sparsely vegetated with samphire, saltbush and bluebush. In April 2013, the full extent of Lake Torrens was gazetted by the Government of South Australia as a locality with the name
River Torrens after him. In 1867, prison labour from Adelaide Gaol was used to build a wooden dam near the site of the current weir. The dam was poorly constructed and almost immediately the Torrens washed it away. Construction of a permanent concrete weir was begun in November 1880 and completed, at a cost of £7,000, in 1881. The sluice gates were closed to begin filling the Torrens Lake on 1 July 1881. At the lake's official opening on 21 July 1881 an estimated 40,000, almost the entire population of Adelaide, attended. During the 1889 flood, the weir was overwhelmed, its gates