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Department of Water and Environmental Regulation HYSITREP V133 Output 09/08/2026 Page 1
HYSITREP - Site Summary Report
802156 - Margaret River - Margaret Gorge
SITE DESCRIPTION
Site: 802156 Margaret Gorge
Site Name: Margaret River - Margaret Gorge
Infrastructure commenced: 6/10/1997 Ceased:
Grid Ref: Zone: 52
Easting: 214392.952 Northing: 7979069.367 Grid Datum: MGA2020 Map Grid of Australia 2020
Latitude: -18.258815680 18°15'31.7"S Longitude: 126.298938136 126°17'56.2"E Lat/Long Datum: GDA2020 Geocentric Datum of Australia 2020
Comment:
STATION DESCRIPTION
Control description:
Max Gauged Stage: 14.098
Max Gauge Date: 17/01/2017
D'stream from Dam: False
Catchment Area: 12421.060
RATING TABLES
Var Var Start Start
From To Date Time Site Table
10.00 STAGE (m) 140 Discharge (m³/s) 06/10/1997 00:00 802156 1
10.00 STAGE (m) 140 Discharge (m³/s) 05/03/2000 22:00 802156 2
10.00 STAGE (m) 140 Discharge (m³/s) 02/07/2023 16:55 802156 3
TIME-BASED TABLES
Var Interp Extend Back Extend Fwrd Date Value Qual
101.00 Stage - AHD (m) No Yes Yes 06/10/1997 00:00 139.86800 1
102.00 Stage - CTF (m) No Yes Yes 06/10/1997 00:00 9.92100 1
102.00 Stage - CTF (m) No Yes Yes 05/03/2000 22:00 9.38700 1
102.00 Stage - CTF (m) No Yes Yes 02/07/2023 16:55 9.38700 1
103.00 STAGE - Telemetry(m) No Yes Yes 01/01/2006 00:00 0.00000 10
998.00 Catch. Area (km²) No Yes Yes 06/10/1997 00:00 12421.06000 10
998.00 Catch. Area (km²) No Yes Yes 01/06/2011 00:00 12421.06000 10
GAUGINGS
8 gaugings between 06/01/2017 and 14/02/2019
BENCHMARKS
Date Bench RGLD Text
06/10/1997 1 167.336
06/10/1997 2 27.468
CROSS SECTIONS
Type Section Date Run SectNo
HR HEC-RAS 0 13/10/2008 0 000001
HR HEC-RAS 0 13/10/2008 0 000002
HR HEC-RAS 0 13/10/2008 0 000003
HR HEC-RAS 0 13/10/2008 0 000004
HR HEC-RAS 0 13/10/2008 0 000005
HR HEC-RAS 0 13/10/2008 0 000006
HR HEC-RAS 0 13/10/2008 0 000007
HR HEC-RAS 0 12/10/2008 0 000008
HR HEC-RAS 0 12/10/2008 0 000009
IN Inlets 0 12/10/2008 0 000010
HR HEC-RAS 0 13/10/2008 0 000011
PERIOD OF RECORD (TS (A) ARCHIVE)
Variable Start Date End Date
10.00 STAGE (m) 06/10/1997 08/08/2026
PERIOD OF RECORD (DISCRETE (GW) ARCHIVE) (no data found)
Department of Water and Environmental Regulation HYSITREP V133 Output 09/08/2026 Page 2
HYSITREP - Site Summary Report
802156 - Margaret River - Margaret Gorge