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Victorian Water Accounts 2016–2017 a Statement of Victorian Water Resources

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Victorian Water Accounts 2016–2017 a Statement of Victorian Water Resources Victorian Water Accounts 2016–2017 A statement of Victorian water resources Victorian Water Accounts 2016–17 1 Contents Foreword .................................................................................................................................. 3 Executive summary ................................................................................................................. 6 PART 1: OVERVIEW OF VICTORIAN WATER RESOURCES 2016–17 ............................. 9 1. Management of Victoria’s water resources ................................................................ 10 1.1 Types of water resources ...................................................................................................... 10 1.2 Water sector institutional arrangements ................................................................................ 13 1.3 Water entitlement and water resource planning frameworks ................................................. 16 1.4 Monitoring and reporting ........................................................................................................ 23 2. Water availability ........................................................................................................... 24 2.1 Rainfall................................................................................................................................... 24 2.2 Streamflow ............................................................................................................................. 27 2.3 Storages ................................................................................................................................ 30 2.4 Groundwater .......................................................................................................................... 32 2.5 Response to water availability ............................................................................................... 3 6 3. Water for consumptive use .......................................................................................... 40 3.1 Surface water entitlements and use ...................................................................................... 41 3.2 Groundwater entitlements and use ........................................................................................ 44 3.3 Recycled water production .................................................................................................... 4 5 3.4 Desalination water production ............................................................................................... 47 3.5 Metered urban and commercial consumptive use ................................................................. 47 4. Water for the environment ............................................................................................ 48 4.1 Managed environmental water .............................................................................................. 49 4.2 Obligations on consumptive water entitlements ..................................................................... 52 4.3 Above cap water .................................................................................................................... 54 5. Water trade ..................................................................................................................... 56 5.1 Victoria’s water trade framework ........................................................................................... 56 5.2 Overview of trade in 2016–17 ................................................................................................ 57 PART 2: WATER ACCOUNTS 2016–17 .................................................................. 60 6. Basin water accounts .................................................................................................... 61 6.1 Overview of methodology ...................................................................................................... 6 1 6.2 Murray basin (Victoria) .......................................................................................................... 66 6.3 Kiewa basin ........................................................................................................................... 74 6.4 Ovens basin ........................................................................................................................... 79 6.5 Broken basin .......................................................................................................................... 85 6.6 Goulburn basin ...................................................................................................................... 90 6.7 Campaspe basin .................................................................................................................... 97 6.8 Loddon basin ....................................................................................................................... 103 6.9 East Gippsland basin ........................................................................................................... 109 6.10 Snowy basin ........................................................................................................................ 113 6.11 Tambo basin ........................................................................................................................ 118 6.12 Mitchell basin ....................................................................................................................... 122 6.13 Thomson basin .................................................................................................................... 126 6.14 Latrobe basin ....................................................................................................................... 132 6.15 South Gippsland basin ........................................................................................................ 138 6.16 Bunyip basin ........................................................................................................................ 143 6.17 Yarra basin .......................................................................................................................... 148 6.18 Maribyrnong basin ............................................................................................................... 155 6.19 Werribee basin .................................................................................................................... 160 6.20 Moorabool basin .................................................................................................................. 165 6.21 Barwon basin ....................................................................................................................... 170 6.22 Corangamite basin .............................................................................................................. 175 6.23 Otway Coast basin .............................................................................................................. 179 6.24 Hopkins basin ...................................................................................................................... 184 6.25 Portland Coast basin ........................................................................................................... 189 6.26 Glenelg basin ....................................................................................................................... 193 6.27 Millicent Coast basin ............................................................................................................ 198 Victorian Water Accounts 2016–17 3 6.28 Wimmera basin .................................................................................................................... 201 6.29 Mallee basin ........................................................................................................................ 207 6.30 Avoca basin ......................................................................................................................... 209 7. Groundwater catchment accounts ............................................................................ 213 7.1 Overview .............................................................................................................................. 213 7.2 Goulburn–Murray groundwater region ................................................................................. 216 7.3 Gippsland groundwater region ............................................................................................. 230 7.4 Central groundwater region ................................................................................................. 240 7.5 Otway–Torquay groundwater region ................................................................................... 249 7.6 Wimmera–Mallee groundwater region ................................................................................. 259 8. Distribution system water accounts .......................................................................... 266 8.1 Overview of methodology .................................................................................................... 266 8.2 Interpreting and using the distribution system water accounts ............................................ 269 8.3 Northern region .................................................................................................................... 270 8.4 Gippsland region ................................................................................................................
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