Hi Linda
Following on from Robert, IPART has the history from 2011-12 (from when they took over from the OLG in the determination of SRV’s). You probably have found this already, but here is the link:
http://www.ipart.nsw.gov.au/Home/Industries/Local_Govt/Special_Variations_and_Minimum_Rates/Applications_Determinations#
Cherie
