Source QWC (2012a) QWC (2012a) QWC (2012a) QWC (2012a) DNRM (2012) Screens Opening Opening Opening Opening 8–21 Opening (metres) and 201.2 16.5 43 51.2–85.4 Aquifer Precipice Precipice Precipice Precipice Hutton Sandstone Sandstone Sandstone Sandstone Sandstone Year drilled 1966 1951 1984 1984 1984 Standing water 11.65 16.45 2.35 –2.7 –21 level (natural surface elevation) Total depth 85.4 21 (metres) Surface 220.91 216 219.9 – – elevation (mAHD) Facility status Existing Existing Existing Existing Existing artesian artesian artesian subartesian subartesian Physicochemical parameters EC (µS/cm) 315 293 299 298 4138 pH (field/lab) 7.37/7.84 7.16/7.76 7.45/7.78 7.16/7.76 7.4 Temperature 23.4 25.5 22.9 20 – (°C) Chemical parameters (milligrams/litre) Dissolved 2.73 2.31 1.04 1.9 – oxygen TDS 140 128 130 191 2323.3 TSS <5 <5 <5 <5 – Sodium (Na) 69 64 64 63 631.3 Potassium (K) 2 2 2 2 9.2 Calcium (Ca) 3 2 3 2 147.2 Magnesium <1 <1 <1 <1 64.5 (Mg) Chlorine (Cl) 8 8 8 8 1043.3 Sulfate (SO4) – – – – – Sodium (Na) <1 <1 1 <1 167.6 Total alkalinity 154 139 143 140 406 (calcium carbonate) Bicarbonate 154 139 143 140 493.4 (HCO3–)
Source QWC (2012a) QWC (2012a) QWC (2012a) QWC (2012a) DNRM (2012) Screens (metres) Opening and 51.2–85.4 Opening Opening Opening 8–21 Opening Aquifer Precipice Sandstone Precipice Sandstone Precipice Sandstone Precipice Sandstone Hutton Sandstone Year drilled 1966 1951 1984 1984 1984 Standing water level (natural surface elevation) 11.65 –2.7 16.45 2.35 –21 Total depth (metres) 85.4 201.2 16.5 21 43 Surface elevation (mAHD) 220.91 – 216 219.9 – Facility status Existing artesian Existing subartesian Existing artesian Existing artesian Existing subartesian Physicochemical parameters EC (µS/cm) 315 293 299 298 4138 pH (field/lab) 7.37/7.84 7.16/7.76 7.45/7.78 7.16/7.76 7.4 Temperature (°C) 23.4 25.5 22.9 20 – Chemical parameters (milligrams/litre) Dissolved oxygen 2.73 2.31 1.04 1.9 – TDS 140 128 130 191 2323.3 TSS <5 <5 <5 <5 – Sodium (Na) 69 64 64 63 631.3 Potassium (K) 2 2 2 2 9.2 Calcium (Ca) 3 2 3 2 147.2 Magnesium (Mg) <1 <1 <1 <1 64.5 Chlorine (Cl) 8 8 8 8 1043.3 Sulfate (SO4) – – – – – Sodium (Na) <1 <1 1 <1 167.6 Total alkalinity (calcium carbonate) 154 139 143 140 406 Bicarbonate (HCO3–) 154 139 143 140 493.4
gab-springs-survey-vol-2_0.docx