In October 2011, with substantially greater water available a much larger spring snow melt release has occurred i.e. over 19 days. This second and substaitially larger release with a peak discharge rate of per day over three days is expected to scour the bed of the river. This releases targeted much larger particles, up to the size of , as the bed of the river is heavily "armoured" and larger flows are required to move these particles to improve the instream habitat of the river. Once the armouring had been removed it is expected the fine sediment would be scoured within the river bed profile.