CANBERRA, ACT, May 28 -- Murray-Darling Basin Authority issued the following news release:

This year, the Murray-Darling Basin Authority (MDBA) and SA Water are celebrating a century of operation for Lock 3 at Overland Corner - a historic milestone in the network of locks and weirs along the River Murray.

Before weirs were built, the natural fluctuations in the flow of the Murray River meant water supply was unpredictable, making it hard for growing towns and the traders who used the river to transport their cargo.

In 1914, the Commonwealth, Victorian, New South Wales and South Australian governments agreed that building locks and weirs was the best way to provide reliable water flow to support transport passage.

Lock 3 was the second t...