Standing 9.1 (1974) 48.8 (1968) (1982) – – – –3.3 water level (N) (R) Total depth 190.5 79.2 93.9 61 274.3 207.6 (metres) Natural 148 153 154.5 153 – – surface elevation (mAHD) Facility Existing Existing Abandoned Abandoned Existing Existing status and but usable destroyed Facility type Artesian Artesian Artesian Artesian Artesian Artesian bore, bore, bore, bore, bore, bore, controlled ceased to controlled controlled flow flow flow flow Ceased to flow? Physicochemical parameters EC (µS/cm) 1030 745 675 759 – – pH (field/lab) 8.4 8.2 8.3 – – – Temperature 31.7 36.7 32.5 – – – (°C) Chemical parameters (milligrams per litre) Dissolved – – – – – oxygen TDS – – – – – – TSS 467 0 406 481 – – Sodium (Na) 262 196 159 192 – – Potassium 3.8 1.3 1.2 – – – (K) Calcium (Ca) 2.5 2 1.3 2.3 – – Magnesium 0.9 0 0.1 0.4 – – (Mg) Chlorine (Cl) 84 50 35 36 – – Sulfate 1 0 1 1 – – (SO4) Alkalinity 456 360 315 378 – – (calcium carbonate) Bicarbonate 537 439 366 446 – – (HCO3–)
Standing water level 9.1 (1974) (N) – – – 48.8 (1968) –3.3 (1982) (R) Total depth (metres) 190.5 79.2 93.9 61 274.3 207.6 Natural surface elevation (mAHD) 148 – – 153 154.5 153 Facility status Existing Existing Abandoned and destroyed Abandoned but usable Existing Existing Facility type Artesian bore, controlled flow Artesian bore, ceased to flow Artesian bore, Artesian bore, controlled flow Artesian bore, controlled flow Artesian bore, Ceased to flow? Physicochemical parameters EC (µS/cm) 1030 – 745 – 675 759 pH (field/lab) 8.4 – – – 8.2 8.3 Temperature (°C) 31.7 – – – 36.7 32.5 Chemical parameters (milligrams per litre) Dissolved oxygen – – – – – TDS – – – – – – TSS 467 – 0 – 406 481 Sodium (Na) 262 – 196 – 159 192 Potassium (K) 3.8 – – – 1.3 1.2 Calcium (Ca) 2.5 – 2 – 1.3 2.3 Magnesium (Mg) 0.9 – 0 – 0.1 0.4 Chlorine (Cl) 84 – 50 – 35 36 Sulfate (SO4) 1 – 0 – 1 1 Alkalinity (calcium carbonate) 456 – 360 – 315 378 Bicarbonate (HCO3–) 537 – 439 – 366 446
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