Irrigation - South Australia
South Australia
How much water is used by irrigation compared to other uses in South Australia?
The total consumption of water for irrigation in South Australia represents 70% of the total water use in the State. 57% of the water used for irrigation is sourced from surface water and 43% from groundwater.
Extent to which water resources are committed within each river basin in South Australia?
NLWRA 2000
| Surface Water | Groundwater | |||||
|---|---|---|---|---|---|---|
| Basin | Total Water Use 96/97 (ML/yr) | Irrigation Water Use 96/97 (ML/yr) | Irrigation Use as % of toal (%) | Total G/W Abstraction 96/97 (ML/yr) | G/W Abstracted for Irrigation 96/97 (ML/yr) | Irrigation Abstraction as % of total (%) |
| South Australia | 747 | 465 | 62.31 | 423 | 354 | 83.76 |
| Georgina River (SA) | 0 | 0 | 0 | 551 | 0 | 0.00 |
| Diamantina River (SA) | 0 | 0 | 0 | 5,389 | 0 | 0.00 |
| Cooper Creek (SA) | 0 | 0 | 0 | 7,638 | 0 | 0.00 |
| Lake Frome (SA) | 0 | 0 | 0 | 54,800 | 0 | 0.00 |
| Finke River (SA) | 0 | 0 | 0 | 6,261 | 0 | 0.00 |
| Hay River (SA) | 0 | 0 | 0 | 4,799 | 0 | 0.00 |
| Gairdner | 1,505 | 0 | 0.00 | 1,134 | no data | 0.00 |
| Nullarbor (SA) | 0 | 0 | 0 | 1 | 0 | 0.00 |
| Warburton (SA) | 0 | 0 | 0 | 650 | 0 | 0.00 |
| Mackay (SA) | 0 | 0 | 0 | 36 | no data | 0.00 |
| Glenelg River (SA) | 0 | 0 | 0 | 2,964 | 2,964 | 100.00 |
| Millicent Coast (SA) | 3,220 | 0 | 0.00 | 270,100 | no data | 0.00 |
| Mallee (SA) | 0 | 0 | 0 | 24,000 | 19,636 | 81.81 |
| Lower Murray River (SA) | 469,094 | 450,650 | 96.07 | 6,700 | no data | 0.00 |
| Fleurieu Peninsula | 3,741 | 964 | 25.77 | 5,000 | 5,000 | 100.00 |
| Myponga River | 1,003 | 215 | 21.44 | 2,000 | 768 | 38.39 |
| Onkaparinga River | 40,102 | 3,660 | 9.13 | 13,500 | 9,395 | 69.59 |
| Torrens River | 130,707 | 4,014 | 3.07 | 6,200 | 3,012 | 48.57 |
| Gawler River | 69,895 | 3,770 | 5.39 | 22,840 | no data | 0.00 |
| Wakefield River | 1,952 | 600 | 30.74 | 1,325 | 959 | 72.36 |
| Broughton River | 11,904 | 900 | 7.56 | 2,531 | no data | 0.00 |
| Mambray Coast | 3,964 | 220 | 5.55 | 550 | 54 | 9.73 |
| Willochra Creek | 250 | 0 | 0.00 | 600 | 500 | 83.33 |
| Lake Torrens | 550 | 0 | 0.00 | 364 | no data | 0.00 |
| Spencer Gulf | 5,223 | 0 | 0.00 | 0 | 228 | 0 |
| Eyre Peninsula | 593 | 0 | 0.00 | 10,300 | 150 | 1.45 |
| Kangaroo Island | 2,500 | 0 | 0.00 | 0 | no data | 0 |
NLWRA 2000
How reliable are irrigation water entitlements in South Australia?
The percentage of years when irrigation entitlements are fully delivered provides a measure of the reliability of the supply. On average, irrigation water entitlements in South Australia are delivered in 100% of years. The percentage of the entitlement actually delivered in 1999/2000, however was 83%.
| State / System | Irrigation Entitlement 1999/2000 (GL) | % of Years when Entitlement Fully Delivered (%) | Irrigation Deliveries 1999/2000 (GL) | % of Entitlement actually delivered 1999/2000 (%) |
|---|---|---|---|---|
| South Australia | 12,036 | 154,531 | 139,611 | 100 |
| SCIT | 122,933 | 99 | 83,785 | 69 |
| SGHT | 7,842 | 100 | 7,022 | 91 |
| SLMT | 0 | no data | 56,000 | no data |
| SSUT | 8,836 | 100 | 7,724 | 89 |
ANCID 2000
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