Variable Details Bore ID 9274 11097 12202 11938 12478 Sample date 2005 2005 2005 – – Distance from 8.2 6.0 4.9 7.7 6.7 spring complex (kilometres) Source aquifer Winton Wallumbilla Hooray Hooray Wallumbilla Formation Formation Sandstone Sandstone Formation Screens (metres) Perforated Open-ended – – – casing 147.9 pipe 61.3 Year drilled 1948 1948 1953 1952 1954 Standing water (1948) 14.2 (1974) 28.8 (1974) (1954) – –5.7 –24.4 level (natural surface elevation) Total depth 49.7 147.8 269.1 189 61.3 (metres) Natural surface 156 155 152 – – elevation (mAHD) Facility status Abandoned Abandoned Existing Existing Abandoned but usable and and destroyed destroyed Facility type Artesian, Subartesian Artesian Artesian Subartesian uncontrolled facility bore, bore, facility controlled controlled Physicochemical parameters EC (µS/cm) 661 724 689 – – pH (field/lab) 8.5 8.3 8.1 – – Temperature (°C) 39 27.9 53.8 – – Chemical parameters (milligrams per litre) Dissolved oxygen – – – – – TDS – – – – – TSS 397 454 433 – – Sodium (Na) 156 181 172 – – Potassium (K) 1.1 1.9 1.3 – – Calcium (Ca) 0.9 2.7 3.2 – – Magnesium (Mg) 0.6 1 0.3 – – Chlorine (Cl) 36 38 33 – – Sulfate (SO4) 1 1 1 – – Alkalinity (calcium 304 351 337 – – carbonate)
Variable Details Bore ID 9274 11097 12202 11938 12478 Sample date 2005 – 2005 2005 – Distance from spring complex (kilometres) 8.2 6.0 4.9 7.7 6.7 Source aquifer Winton Formation Wallumbilla Formation Hooray Sandstone Hooray Sandstone Wallumbilla Formation Screens (metres) – Perforated casing 147.9 – – Open-ended pipe 61.3 Year drilled 1948 1948 1953 1952 1954 Standing water level (natural surface elevation) – –5.7 (1948) 14.2 (1974) 28.8 (1974) –24.4 (1954) Total depth (metres) 49.7 147.8 269.1 189 61.3 Natural surface elevation (mAHD) 156 – 155 152 – Facility status Abandoned but usable Abandoned and destroyed Existing Existing Abandoned and destroyed Facility type Artesian, uncontrolled Subartesian facility Artesian bore, controlled Artesian bore, controlled Subartesian facility Physicochemical parameters EC (µS/cm) 661 – 724 689 – pH (field/lab) 8.5 – 8.3 8.1 – Temperature (°C) 39 – 27.9 53.8 – Chemical parameters (milligrams per litre) Dissolved oxygen – – – – – TDS – – – – – TSS 397 – 454 433 – Sodium (Na) 156 – 181 172 – Potassium (K) 1.1 – 1.9 1.3 – Calcium (Ca) 0.9 – 2.7 3.2 – Magnesium (Mg) 0.6 – 1 0.3 – Chlorine (Cl) 36 – 38 33 – Sulfate (SO4) 1 – 1 1 – Alkalinity (calcium carbonate) 304 – 351 337 –
gab-springs-survey-vol-2_0.docx