I'm not so sure: the leaves on the second image look like leaves of Silver wattle, A.dealbata; it could be a hybrid though as both species are present in this area and easily hybridize. There are hybrids growing around the dam further to the east.
Hmmm, in my experience the leaflets of A dealbata are much longer and there are many more of them per leaf. I also think you can just see the bottom pair of leaflets pointing backwards in the left hand bottom corner of the second image. So, I still would tend to calling it a A. baileyana.