The catchment area of the river is 196 square kilometres (76 sq mi) with a volume of 500 megalitres (18×10^6 cu ft) over a surface area of 0.8 square kilometres (0.31 sq mi), at an average depth of 0.7 metres (2 ft 4 in).
^ abRoy, P. S; Williams, R. J; Jones, A. R; Yassini, I; et al. (2001). "Structure and Function of South-east Australian Estuaries". Estuarine, Coastal and Shelf Science53: 351–384. doi:10.1006/ecss.2001.0796.