It flows through Sydney Olympic Park and joins Parramatta River at Homebush Bay.
[1] Beyond this point its concrete walls do not continue, and it becomes a mangrove-lined stream, flowing through Bicentennial Park and emptying into Homebush Bay.
A drop board weir installed in 1998 has partly restored natural tidal flows.
[4] Once extensive, salt marsh borders of Powell's Creek have largely vanished with infilling and urbanisation.
A local project seeking, and compiling information on the past of the land bordering Powell's Creek has been ongoing since 2008.