Water Sharing Plan for the Murray Unregulated and Alluvial Water
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Water Sharing Plan Murray Unregulated and Alluvial Water Sources Background document Leading policy and reform in sustainable water management Publisher NSW Department of Primary Industries NSW Office of Water Level 18, 227 Elizabeth Street GPO Box 3889 Sydney NSW 2001 T 02 8281 7777 F 02 8281 7799 [email protected] www.water.nsw.gov.au The NSW Office of Water manages the policy and regulatory frameworks for the state’s surface water and groundwater resources, to provide a secure and sustainable water supply for all users. It also supports water utilities in the provision of water and sewerage services throughout New South Wales. The Office of Water is a division of the NSW Department of Primary Industries. Water Sharing Plan for the Murray Unregulated and Alluvial Water Sources – Background document January 2012 ISBN 978 0 7313 3984 6 © State of New South Wales through the Department of Trade and Investment, Regional Infrastructure and Services, 2012 This material may be reproduced in whole or in part for educational and non-commercial use, providing the meaning is unchanged and its source, publisher and authorship are clearly and correctly acknowledged. Disclaimer: While every reasonable effort has been made to ensure that this document is correct at the time of publication, the State of New South Wales, its agents and employees, disclaim any and all liability to any person in respect of anything or the consequences of anything done or omitted to be done in reliance upon the whole or any part of this document. NOW 11_308 Water Sharing Plan for the Murray Unregulated and Alluvial Water Sources – Background document Contents Introduction............................................................................................................................................ 1 Purpose of the plan ............................................................................................................................... 3 Why are water sharing plans being prepared? ............................................................................. 3 Benefits for water users................................................................................................................. 3 Environmental considerations ....................................................................................................... 4 Unregulated water sources .................................................................................................... 4 Alluvial water sources ............................................................................................................ 5 Description of the plan area................................................................................................................... 7 Land use history .......................................................................................................................... 11 Climate ....................................................................................................................... .......... 12 Streamflows ................................................................................................................................. 12 Climate change and variability .................................................................................................... 12 Entitlement and use..................................................................................................................... 13 Water extraction ................................................................................................................... 13 Local water utility requirements................................................................................................... 14 Developing the plan............................................................................................................................. 15 Scope of the plan ........................................................................................................................ 15 Water management units ............................................................................................................ 15 Project groups ............................................................................................................................. 16 State Interagency Panel....................................................................................................... 16 Interagency regional panel................................................................................................... 17 State Groundwater Panel..................................................................................................... 18 Policy context .............................................................................................................................. 18 Murray-Darling Basin Ministerial Cap .................................................................................. 18 National Water Initiative .......................................................................................................19 Natural Resources Commission .......................................................................................... 19 Catchment action plans........................................................................................................ 20 Basin Plan ............................................................................................................................ 20 Other considerations ................................................................................................................... 21 Managing surface water and groundwater connectivity....................................................... 21 Granting new access licences ............................................................................................. 21 Mandatory conditions........................................................................................................... 21 i | NSW Office of Water, January 2012 Water Sharing Plan for the Murray Unregulated and Alluvial Water Sources – Background document Protecting Aboriginal values ................................................................................................ 22 Protecting environmental values.......................................................................................... 22 First flush rules..................................................................................................................... 24 Protecting basic landholder rights........................................................................................ 24 Water interception activities ................................................................................................. 25 Protecting town water supply access................................................................................... 26 Development of future water supplies.................................................................................. 26 Rules for unregulated water sources................................................................................................... 27 Classification method .................................................................................................................. 27 Water sharing rules ..................................................................................................................... 28 Developing the access and dealings rules........................................................................... 28 Rules for alluvial groundwater sources ............................................................................................... 30 Background ................................................................................................................................. 30 Hydrogeological modelling .......................................................................................................... 30 Water sharing rules ..................................................................................................................... 31 Managing extraction.............................................................................................................31 Managing connectivity.......................................................................................................... 32 Protecting environmental values.......................................................................................... 32 Water supply works approvals ............................................................................................. 32 Carryover and water accounts ............................................................................................. 33 Available water determination.............................................................................................. 34 Trading of access entitlement .............................................................................................. 34 Consultation......................................................................................................................................... 37 Targeted consultation on the draft rules...................................................................................... 37 Refining water sharing rules as a result of targeted consultation and updated data........... 38 Public exhibition of the draft water sharing plan ......................................................................... 38 Refining water sharing rules as a result of public exhibition...............................................