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 HYSITREP V133 Output 14/11/2025 Page 1
HYSITREP - Site Summary Report
609022 - Chapman Brook - White Elephant
SITE DESCRIPTION
Site: 609022 White Elephant
Site Name: Chapman Brook - White Elephant
Infrastructure commenced: 26/05/1995 Ceased:
Grid Ref: Zone: 50
Easting: 333977.017 Northing: 6226545.507 Grid Datum: MGA2020 Map Grid of Australia 2020
Latitude: -34.088717823 34°05'19.4"S Longitude: 115.200437249 115°12'01.6"E Lat/Long Datum: GDA2020 Geocentric Datum of Australia 2020
Comment:
STATION DESCRIPTION
Control description:
Max Gauged Stage: 12.081
Max Gauge Date: 28/07/2025
D'stream from Dam: False
Catchment Area: 180.020
RATING TABLES
Var Var Start Start
From To Date Time Site Table
10.00 STAGE (m) 140 Discharge (m³/s) 08/06/1994 00:00 609022 3
10.00 STAGE (m) 140 Discharge (m³/s) 01/05/1996 00:00 609022 5
10.00 STAGE (m) 140 Discharge (m³/s) 05/10/2016 00:00 609022 6
TIME-BASED TABLES
Var Interp Extend Back Extend Fwrd Date Value Qual
101.00 Stage - AHD (m) No Yes Yes 26/05/1995 00:00 -7.66900 1
102.00 Stage - CTF (m) No Yes Yes 08/06/1994 00:00 9.70000 1
102.00 Stage - CTF (m) No Yes Yes 01/05/1996 00:00 9.96500 1
102.00 Stage - CTF (m) No Yes Yes 05/10/2016 00:00 9.95900 1
103.00 STAGE - Telemetry(m) No Yes Yes 25/03/2015 00:00 0.00000 10
998.00 Catch. Area (km²) No Yes Yes 26/05/1995 00:00 178.99000 10
998.00 Catch. Area (km²) No Yes Yes 01/06/2011 00:00 180.02000 10
GAUGINGS
46 gaugings between 08/06/1994 and 28/07/2025
BENCHMARKS
Date Bench RGLD Text
26/05/1995 1 13.017
19/05/1997 3 7.218
19/05/1997 4 14.887
CROSS SECTIONS
Type Section Date Run SectNo
XS Control 0 26/02/1998 0 000001
IN Inlets 0 26/02/1998 0 000002
XS Control 0 16/07/2013 0 000003
XS Control 0 10/02/2014 0 000004
OT Other 0 04/02/2014 0 000005
XS Control 0 03/05/2017 0 000006
PERIOD OF RECORD (TS (A) ARCHIVE)
Variable Start Date End Date
10.00 STAGE (m) 26/05/1995 13/11/2025
11.00 Stage Slope (m) 18/05/2010 25/06/2013
PERIOD OF RECORD (DISCRETE (GW) ARCHIVE) (no data found)