The Public Works Department built a wharf adjacent to the quarry fore ease of use.

Extensions to the southern training walls were undertaken between 1931 and 1933, with major additional works from 1946 to 1954.

In 1841 a flood cleared the bar and the town of Moruya, now accessible to shipping, developed at the expense of the settlement at Broulee despite later recurring problems with the bar, not least as it was the easiest point to access the rich Araluen goldfields from the 1850s.

The Benandra, a wooden screw steamer operated by the Illawarra Steam Navigation Company to transport cargo, was lost on 25 March 1924 when it hit the sandspit near the bar.

[6][7] Mordacia praecox is a species of southern topeyed lamprey that is found only in the Moroya and Tuross Rivers.