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Department of Water and Environmental Regulation HYSITREP V132 Output 21/01/2025 Page 1 HYSITREP - Site Summary Report 616012 - Helena Brook - Trew Rd Gs SITE DESCRIPTION Site: 616012 Trew Rd Gs Site Name: Helena Brook - Trew Rd Gs Infrastructure commenced: 1/03/1972 Ceased: Grid Ref: Zone: 50 Easting: 431585.995 Northing: 6468476.497 Grid Datum: MGA2020 Map Grid of Australia 2020 Latitude: -31.917534558 31°55'03.1"S Longitude: 116.276355503 116°16'34.9"E Lat/Long Datum: GDA2020 Geocentric Datum of Australia 2020 Comment: STATION DESCRIPTION Control description: Max Gauged Stage: 10.770 Max Gauge Date: 5/08/1974 D'stream from Dam: False Catchment Area: 26.680 RATING TABLES Var Var Start Start From To Date Time Site Table 10.00 STAGE (m) 140 Discharge (m³/s) 22/03/1972 00:00 616012 5 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 SWHELENA 1 1008.00 CHLORIDE (mg/l) 1001 TDS - (mg/l) 01/01/1900 00:01 SWGEN 1 TIME-BASED TABLES Var Interp Extend Back Extend Fwrd Date Value Qual 101.00 Stage - AHD (m) No Yes Yes 22/03/1972 14:30 183.76200 1 102.00 Stage - CTF (m) No Yes Yes 22/03/1972 00:00 10.00400 1 103.00 STAGE - Telemetry(m) No Yes Yes 10/08/2011 00:00 0.00000 10 998.00 Catch. Area (km²) No Yes Yes 01/03/1972 00:00 26.68000 10 998.00 Catch. Area (km²) No Yes Yes 01/06/2011 00:00 26.68000 10 GAUGINGS 62 gaugings between 23/06/1972 and 04/08/2018 BENCHMARKS Date Bench RGLD Text 22/03/1972 1 13.321 28/05/1986 2 13.314 11/08/2011 3 13.569 11/08/2011 4 197.331 CROSS SECTIONS Type Section Date Run SectNo TR Travellerway 0 25/10/1974 0 000001 XS Control 0 18/03/1974 0 000002 XS Control 0 08/02/1977 0 000003 XS Control 0 29/06/1971 0 000004 TR Travellerway 0 23/07/1971 0 000005 TR Travellerway 0 18/03/1974 0 000007 TR Travellerway 0 25/10/1974 0 000008 XS Control 0 24/11/2008 0 000009 XS Control 0 18/03/2015 0 000010 IN Inlets 0 23/02/2022 14 000011 IN Inlets 0 05/12/2023 0 000012 IN Inlets 0 30/04/2024 0 13 PERIOD OF RECORD (TS (A) ARCHIVE) Variable Start Date End Date 10.00 STAGE (m) 22/03/1972 20/01/2025 10.31 STAGE (m) Provisional 06/09/2011 06/09/2011 Department of Water and Environmental Regulation HYSITREP V132 Output 21/01/2025 Page 2 HYSITREP - Site Summary Report 616012 - Helena Brook - Trew Rd Gs 24.00 Water Temp situ(°C) 24/03/2011 29/04/2024 80.00 Cond Comp (µs/cm) 24/03/2011 29/04/2024 86.14 Cond uncomp in µS/cm Preserved 24/03/2011 17/07/2014 PERIOD OF RECORD (DISCRETE (GW) ARCHIVE) (no data found)