Table 165 Tego spring complex—waterbore details and water chemistry. Variable Details Bore ID 4641 4648 4649 10979 11080 12472 10978 Sample 1989 2000 2000 2000 2000 2000 – date Distance 6.5 6.0 7.9 7.8 2.8 9.5 9.5 from spring complex (km) Source Wyandra Wyandra Coreena Doncaster Coreena Wyandra Wallumbilla aquifer Sandstone Sandstone Member Member Member Formation Member/ Member Formation Hooray (potential) Sandstone Screens Perforations – – – – (metres) 106.7 Year drilled 1912 1947 1929 1952 1952 1954 – Standing 44.2 90.1 (1954) – – – – water level (natural surface elevation) Total depth 533 106.7 145.7 169.2 131.1 345.9 135.3 (metres) Natural 135.4 131.7 131.7 132 134.8 132.3 131.1 surface elevation (mAHD) Facility Abandoned Existing Existing Existing Existing Existing Abandoned status and and destroyed destroyed Facility type Artesian, Artesian, Artesian, Artesian, Artesian, Artesian, Artesian, uncontrolled uncontrolled controlled ceased to controlled controlled controlled flow flow flow flow flow flow Physicochemical parameters EC (µS/cm) 1100 1044 1226 832 2637 972 – pH (field/lab) 8.3 8.4 8.3 8.3 8.5 – – Temperature 47 23 24.5 25 38 – – (°C) Chemical parameters (milligrams per litre) Dissolved – – – – – – – oxygen TSS – – – – – – – TDS 625.12 680.45 1467.19 590.63 – – –
Table 165 Tego spring complex—waterbore details and water chemistry. Variable Details Bore ID 4641 4648 4649 10979 11080 12472 10978 Sample date 1989 2000 2000 2000 2000 2000 – Distance from spring complex (km) 6.5 6.0 7.9 7.8 2.8 9.5 9.5 Source aquifer Wyandra Sandstone Member/ Hooray Sandstone Wyandra Sandstone Member Coreena Member Doncaster Member Coreena Member Wyandra Formation (potential) Wallumbilla Formation Screens (metres) – Perforations 106.7 – – – Year drilled 1912 1947 1929 1952 1952 1954 – Standing water level (natural surface elevation) 44.2 – – – 90.1 (1954) – Total depth (metres) 533 106.7 145.7 169.2 131.1 345.9 135.3 Natural surface elevation (mAHD) 135.4 131.7 131.7 132 134.8 132.3 131.1 Facility status Abandoned and destroyed Existing Existing Existing Existing Existing Abandoned and destroyed Facility type Artesian, uncontrolled flow Artesian, uncontrolled flow Artesian, controlled flow Artesian, ceased to flow Artesian, controlled flow Artesian, controlled flow Artesian, controlled Physicochemical parameters EC (µS/cm) 1100 1044 1226 832 2637 972 – pH (field/lab) 8.3 8.4 8.3 – 8.3 8.5 – Temperature (°C) 47 23 24.5 – 25 38 – Chemical parameters (milligrams per litre) Dissolved oxygen – – – – – – – TSS – – – – – – – TDS – 625.12 680.45 – 1467.19 590.63 –
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