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.
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