Silica (SiO2) – – – – Strontium (Sr) 14 – – – Nitrate (NO3) – – – – Phosphate (PO4) – – – – = not available, EC = electrical conductivity, mAHD = metres Australian height datum, µS/cm = microsiemens – per centimetre, TDS = total dissolved solids. © Copyright, DNRM 2012 Table 7 Lucky Last, Spring Rock Creek and Abyss spring complex—waterbore details and water chemistry continued. Variable Details Vent ID 30988 43129 58427 58441 Sample date 10/05/2011 10/05/2011 19/07/1993 13/08/1993 Distance from 1.6 2.9 10.2 8.9 spring (kilometres) Screens (metres) Opening Opening 36.6–61 209–310.8 Opening 210.4 161.5 Aquifer Hutton Evergreen Hutton Boxvale Sandstone Formation/ Sandstone Sandstone Precipice Sandstone Year drilled 1969 1973 1990 1991 Standing water (1972) (1973) (1990) (1991) –57.9 –8.5 –34.1 –102.1 level (natural surface elevation) Total depth 61 310.9 (metres) Surface elevation 409.099 371.732 380 404 (mAHD) Facility status Existing Existing Existing Existing subartesian subartesian subartesian subartesian Physicochemical parameters EC (µS/cm) 996 235.5 861 186 pH (field/lab) 8.36/8.65 6.34/7.12 8.5 7.4 Temp (°C) 24.6 26.2 – – Chemical parameters (milligrams/litre) Dissolved oxygen 4.48 0.18 – – TDS 617 148 500.93 97.28 Sodium (Na) 217 18 196.8 22.5
Silica (SiO2) – – – – Strontium (Sr) – – 14 – Nitrate (NO3) – – – – Phosphate (PO4) – – – – – = not available, EC = electrical conductivity, mAHD = metres Australian height datum, µS/cm = microsiemens per centimetre, TDS = total dissolved solids. © Copyright, DNRM 2012 Table 7 Lucky Last, Spring Rock Creek and Abyss spring complex—waterbore details and water chemistry continued. Variable Details Vent ID 30988 43129 58427 58441 Sample date 10/05/2011 10/05/2011 19/07/1993 13/08/1993 Distance from spring (kilometres) 1.6 2.9 10.2 8.9 Screens (metres) Opening Opening 36.6–61 209–310.8 Opening Aquifer Hutton Sandstone Evergreen Formation/ Precipice Sandstone Hutton Sandstone Boxvale Sandstone Year drilled 1969 1973 1990 1991 Standing water level (natural surface elevation) –57.9 (1972) –8.5 (1973) –34.1 (1990) –102.1 (1991) Total depth (metres) 210.4 61 310.9 161.5 Surface elevation (mAHD) 409.099 371.732 380 404 Facility status Existing subartesian Existing subartesian Existing subartesian Existing subartesian Physicochemical parameters EC (µS/cm) 996 235.5 861 186 pH (field/lab) 8.36/8.65 6.34/7.12 8.5 7.4 Temp (°C) 24.6 26.2 – – Chemical parameters (milligrams/litre) Dissolved oxygen 4.48 0.18 – – TDS 617 148 500.93 97.28 Sodium (Na) 217 18 196.8 22.5
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