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 V132 Output 04/02/2023 Page 1 HYSITREP - Site Summary Report 610005 - Ludlow River - Happy Valley SITE DESCRIPTION Site: 610005 Happy Valley Site Name: Ludlow River - Happy Valley Infrastructure commenced: 1/05/1973 Ceased: Grid Ref: Zone: 50 Easting: 372440.009 Northing: 6272249.508 Grid Datum: MGA2020 Map Grid of Australia 2020 Latitude: -33.682028487 33°40'55.3"S Longitude: 115.623858581 115°37'25.9"E Lat/Long Datum: GDA2020 Geocentric Datum of Australia 2020 Comment: STATION DESCRIPTION Control description: Max Gauged Stage: 11.093 Max Gauge Date: 4/09/1983 D'stream from Dam: False Catchment Area: 109.220 RATING TABLES Var Var Start Start From To Date Time Site Table 10.00 STAGE (m) 140 Discharge (m³/s) 03/05/1973 00:00 610005 7 10.00 STAGE (m) 140 Discharge (m³/s) 08/04/1983 23:00 610005 9 24.00 Water Temp situ(°C) 1006 COND. COMP. FACTOR 01/01/1900 00:01 TEMPFACT 1 1005.00 CONDUCT. COMP.(mS/m) 1001 TDS - (mg/l) 01/01/1900 00:01 BLACKBUS 1 1008.00 CHLORIDE (mg/l) 1001 TDS - (mg/l) 01/01/1900 00:01 BLACK1 1 TIME-BASED TABLES Var Interp Extend Back Extend Fwrd Date Value Qual 102.00 Stage - CTF (m) No Yes Yes 03/05/1973 00:00 10.00000 3 102.00 Stage - CTF (m) No Yes Yes 08/04/1983 23:00 10.00000 3 103.00 STAGE - Telemetry(m) No Yes Yes 04/03/2021 00:00 0.00000 10 998.00 Catch. Area (km²) No Yes Yes 01/05/1973 00:00 109.22000 10 998.00 Catch. Area (km²) No Yes Yes 01/06/2011 00:00 109.22000 10 GAUGINGS 62 gaugings between 20/06/1973 and 28/10/2021 BENCHMARKS Date Bench RGLD Text 01/05/1973 1 14.804 CROSS SECTIONS Type Section Date Run SectNo TR Travellerway 0 20/01/1977 0 000001 IN Inlets 0 20/01/1977 0 000002 XS Control 0 07/05/1973 0 000003 XS Control 0 30/04/1980 0 000004 XS Control 0 01/05/1998 0 000005 TW Tailwater 0 01/05/1998 0 000006 OT Other 0 01/04/1998 0 000007 OT Other 0 25/01/1972 0 000008 OT Other 0 25/01/1972 0 000009 OT Other 0 25/01/1972 0 000010 XS Control 0 13/12/2022 0 000011 PERIOD OF RECORD (TS (A) ARCHIVE) Variable Start Date End Date 10.00 STAGE (m) 03/05/1973 13/12/2022 10.01 STAGE (m) 09/08/2017 27/11/2018 11.00 Stage Slope (m) 09/08/2017 21/10/2021 PERIOD OF RECORD (DISCRETE (GW) ARCHIVE) (no data found) Department of Water and Environmental Regulation HYSITREP V132 Output 04/02/2023 Page 2 HYSITREP - Site Summary Report 610005 - Ludlow River - Happy Valley