Zinc (Zn) 0 0 0.04 – Dissolved organic – – – – carbon Nitrate as NO3 2 8.7 2.9 – Phosphate (PO4) – – – – = not available, EC = electrical conductivity, mAHD = metres Australian height datum, µS/cm = microsiemens – per centimetre, N = natural surface elevation, R = reference point, TDS = total dissolved solids, TSS = total suspended solids. © Copyright, DNRM 2012 Table 130 Tunga spring complex—waterbore details and water chemistry. Variable Details Bore ID 7375 6712 11439 11596 Sample date 1949 1997 – – Distance from 7.5 8.3 7.0 3.6 spring complex (kilometres) Source aquifer Wallumbilla Wyandra Wallumbilla Wallumbilla Formation Sandstone/ Formation/ Formation/ Hooray Wyandra Wyandra Sandstone Sandstone Screens (metres) – – – – Year drilled 1938 1934 1974 1950 Standing water (1938) (N) (1974) (R) (1970) (N) (N) –33.5 –0.385 –27.43 –1.22(1950) level (metres) Total depth 153.9 364.5 236.2 224 (metres) Natural elevation 217.5 205.74 198.72 – (mAHD) Facility status Abandoned and Existing Existing Existing destroyed Physicochemical parameters EC (µS/cm) 907 – – – pH (field/lab) 8.6 – – – Temperature (°C) 43 37 – – Chemical parameters Dissolved oxygen – – – – TDS – – – – TSS 474.7 556.99 – –
Zinc (Zn) 0 0 – 0.04 Dissolved organic carbon – – – – Nitrate as NO3 2 8.7 – 2.9 Phosphate (PO4) – – – – – = not available, EC = electrical conductivity, mAHD = metres Australian height datum, µS/cm = microsiemens per centimetre, N = natural surface elevation, R = reference point, TDS = total dissolved solids, TSS = total suspended solids. © Copyright, DNRM 2012 Table 130 Tunga spring complex—waterbore details and water chemistry. Variable Details Bore ID 7375 6712 11439 11596 Sample date – 1949 1997 – Distance from spring complex (kilometres) 7.5 8.3 7.0 3.6 Source aquifer Wallumbilla Formation Wyandra Sandstone/ Hooray Wallumbilla Formation/ Wyandra Sandstone Wallumbilla Formation/ Wyandra Sandstone Screens (metres) – – – – Year drilled 1938 1934 1974 1950 Standing water level (metres) –33.5 (1938) (N) –0.385 (1974) (R) –27.43 (1970) (N) –1.22(1950) (N) Total depth (metres) 153.9 364.5 236.2 224 Natural elevation (mAHD) 217.5 – 205.74 198.72 Facility status Abandoned and destroyed Existing Existing Existing Physicochemical parameters EC (µS/cm) – – 907 – pH (field/lab) – – 8.6 – Temperature (°C) – 43 37 – Chemical parameters Dissolved oxygen – – – – TDS – – – – TSS – 474.7 556.99 –
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