Water Information Reporting

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Total Annual Discharge report

    Department of Water and Environmental Regulation HYANN V88  Output 09/08/2026

    Site     802156          Margaret River - Margaret Gorge
    Variable 151.00          Stream Discharge Volume in Megalitres

    Year   Annual              Days            Rank
           Total               Missing
           (Megalitres)
    -----------------------------------------------
    1997          99590           279            30
    1998         779500                          23
    1999        1490000                          10
    2000        2378000            45             4
    2001        2720000                           2
    2002        1285000                          12
    2003         819400                          21
    2004        1176000                          14
    2005         246600                          27
    2006        1113000                          15
    2007         926300                          19
    2008         958100                          18
    2009        1058000                          16
    2010         491000                          26
    2011        3959000                           1
    2012        1044000                          17
    2013         790800                          22
    2014        1553000                           9
    2015         912400                          20
    2016         508800                          25
    2017        2469000                           3
    2018         551100                          24
    2019         225600                          28
    2020        1707000                           7
    2021        1281000                          13
    2022        1718000                           6
    2023        1987000           183             5
    2024        1343000           274            11
    2025         135400           332            29
    2026        1604000           296             8

    Total      37330000          1409
    Minimum       99590
    Maximum     3959000
    Mean        1244000
    Median      1086000