environmental water may be traded through the Murrumbidgee account and delivered at Balranald. In this event, the environmental trade volume would be called immediately upon the water being traded in and so would have a zero net effect on total volumes held within the Murrumbidgee account. Operation of Weir Lake Mulwala Lake Mulwala Some operations. Some flood operations. Flood operations. Lake Flood operations. Lake pools drawdown potentially drawdown potentially Lake Mulwala Lake Mulwala Mulwala drawdown Mulwala drawdown (see in winter 2015. in winter 2015. drawdown potentially drawdown potentially in potentially in winter potentially in winter for details) Possible operational Possible operational in winter 2015. winter 2015. Possible 2015. Possible 2015. Possible manipulations at all manipulations at all Possible operational operational operational operational weirs. Short weirs. Short manipulations at all manipulations at all manipulations at all manipulations at all drawdown of Mildura drawdown of Mildura weirs. Short weirs. Short drawdown weirs. Short drawdown weirs. Short drawdown Weir in July-August Weir in July-August drawdown of Mildura of Mildura Weir in of Mildura Weir in of Mildura Weir in 2014 with a possible 2014 with a possible Weir in July-August 2014 with a August 2014 with a August 2014 with a prolonged drawdown prolonged drawdown 2014 with a possible possible prolonged possible prolonged possible prolonged in winter 2015 in winter 2015 prolonged drawdown drawdown in winter drawdown in winter drawdown in winter in winter 2015 2015 2015 2015 Lake Victoria Normal levels but Normal levels but Normal levels and Spilling between Spilling between June Spilling for majority of Operating Strategy may not fill may not fill likely to fill and November and November year Cultural Heritage Operations will need to minimise the length of time that the Lake Victoria level is high. Lake levels will need to be consistent with the LVOS if Menindee Lakes are under MDBA control. Under wetter scenarios it may be possible to hold Lake Victoria at lower levels, if unregulated flows to South Australia are persisting. Lake Victoria 250 May require May require May require Able to be met Able to be met Able to be met GL reserve at end additional release additional release additional release May 2015. (see ) from upper storages. from upper storages. from storages. May not be able to be met. : Summary of significant environmental operations under each scenario ENVIRONMENTAL Extreme dry Dry Moderate Near average Wet Very wet OPERATIONS
environmental water may be traded through the Murrumbidgee account and delivered at Balranald. In this event, the environmental trade volume would be called immediately upon the water being traded in and so would have a zero net effect on total volumes held within the Murrumbidgee account. Operation of Weir pools (see for details) Lake Mulwala drawdown potentially in winter 2015. Possible operational manipulations at all weirs. Short drawdown of Mildura Weir in July-August 2014 with a possible prolonged drawdown in winter 2015 Lake Mulwala drawdown potentially in winter 2015. Possible operational manipulations at all weirs. Short drawdown of Mildura Weir in July-August 2014 with a possible prolonged drawdown in winter 2015 Some operations. Lake Mulwala drawdown potentially in winter 2015. Possible operational manipulations at all weirs. Short drawdown of Mildura Weir in July-August 2014 with a possible prolonged drawdown in winter 2015 Some flood operations. Lake Mulwala drawdown potentially in winter 2015. Possible operational manipulations at all weirs. Short drawdown of Mildura Weir in 2014 with a possible prolonged drawdown in winter 2015 Flood operations. Lake Mulwala drawdown potentially in winter 2015. Possible operational manipulations at all weirs. Short drawdown of Mildura Weir in 2014 with a possible prolonged drawdown in winter 2015 Flood operations. Lake Mulwala drawdown potentially in winter 2015. Possible operational manipulations at all weirs. Short drawdown of Mildura Weir in 2014 with a possible prolonged drawdown in winter 2015 Lake Victoria Operating Strategy Cultural Heritage Normal levels but may not fill Normal levels but may not fill Normal levels and likely to fill Spilling between August and November Spilling between June and November Spilling for majority of year Operations will need to minimise the length of time that the Lake Victoria level is high. Lake levels will need to be consistent with the LVOS if Menindee Lakes are under MDBA control. Under wetter scenarios it may be possible to hold Lake Victoria at lower levels, if unregulated flows to South Australia are persisting. Lake Victoria 250 GL reserve at end May 2015. (see ) May require additional release from upper storages. May not be able to be met. May require additional release from upper storages. May require additional release from storages. Able to be met Able to be met Able to be met : Summary of significant environmental operations under each scenario ENVIRONMENTAL OPERATIONS Extreme dry Dry Moderate Near average Wet Very wet August
River-Murray-System-Annual-Operating-Plan-for-2014-15.docx