Water Information Reporting

Copyright © Government of Western Australia
Information supplied by the Department of Water and Environmental Regulation is protected by the Copyright Act 1968. That copyright belongs to the State of Western Australia. Apart from any fair dealing for the purpose of private study, research, criticism or review, as permitted under the Copyright Act 1968, no part may be reproduced or reused for any purpose without the written permission of the Department of Water and Environmental Regulation. Please click on the Copyright link for full details.

Disclaimer / limitation of liability
The information contained herein is provided by the Department of Water and Environmental Regulation in good faith as a public service. However, the Department does not guarantee the accuracy of this information, and it is the responsibility of recipients to make their own enquiries as to its accuracy, currency and appropriateness. Telemetered data is provisional only and has not been verified for accuracy. If any aspect of this information is of significance to you, you should discuss your particular circumstances with the Department. Please click on the Disclaimer link for full details.

Should you require further information or technical assistance, please contact one of our water information officers.


Total Annual Discharge report

    Department of Water and Environmental Regulation HYANN V87  Output 20/01/2023

    Site     603025          Torbay Drain - Torbay Townsite
    Variable 151.00          Stream Discharge Volume in Megalitres

    Year   Annual              Days            Rank
           Total               Missing
           (Megalitres)
    -----------------------------------------------
    1997           7107                          19
    1998          12390                          13
    1999          13780                           8
    2000          11150                          14
    2001           9538                          16
    2002           7641                          18
    2003          14480                           5
    2004           8906                          17
    2005          13700                           9
    2006           6180                          22
    2007           9542                          15
    2008          16010                           3
    2009          17890                           2
    2010           5788                          23
    2011          13160                          12
    2012          14290                           6
    2013          13570                          10
    2014           4142                          24
    2015           1447                          26
    2016          14920                           4
    2017          14060                           7
    2018           6943                          21
    2019           3940                          25
    2020          13340                          11
    2021          25590                           1
    2022           7015            97            20

    Total        286500            97
    Minimum        1447
    Maximum       25590
    Mean          11020
    Median        11770