Ord: Statement of Changes in Water Assets and Water Liabilities
For the water account period 1 July 2023 to 30 June 2024
- The volume of water in Ord's storages increased by 1,537 GL during 2023–24.
- This increase represents the change in water volume in the region's surface water storages.
The Statement of Changes in Water Assets and Water Liabilities is provided in the table below.
The statement presents the actual water flows associated with the region's water stores, as well as the changes in water assets and water liabilities that occurred during the year.
Select comparative year
| 2024 (ML) | 2023 (ML) | 2022 (ML) | 2021 (ML) | 2020 (ML) | 2019 (ML) | ||
|---|---|---|---|---|---|---|---|
| Water inflows | |||||||
| Surface water inflows | 17,683,905 | 9,844,718 | 3,164,745 | 6,911,451 | 2,782,247 | 1,491,160 | |
| Precipitation on storages | 1,024,696 | 1,024,199 | 468,799 | 519,171 | 389,085 | 403,422 | |
| Precipitation on rivers | 145,955 | 95,223 | 36,552 | 69,022 | 35,557 | 23,681 | |
| Flood return | 153,115 | 51,499 | 8,682 | 45,523 | 9,040 | 165 | |
| Runoff | 16,308,548 | 8,622,206 | 2,599,127 | 6,226,150 | 2,296,980 | 1,012,307 | |
| Discharge from wastewater | 591 | 591 | 585 | 585 | 585 | 585 | |
| Point return from irrigation | 51,000 | 51,000 | 51,000 | 51,000 | 51,000 | 51,000 | |
| Groundwater inflows | 770,269 | 605,435 | 352,342 | 445,529 | 329,280 | 280,358 | |
| Recharge from surface water* | 770,269 | 605,435 | 352,342 | 445,529 | 329,380 | 280,358 | |
| Total water inflows | 18,454,174 | 10,450,153 | 3,517,087 | 7,356,980 | 3,111,627 | 1,771,518 | |
| Water outflows | |||||||
| Surface water outflows | 16,203,920 | 10,900,264 | 5,788,270 | 6,354,436 | 6,273,586 | 5,476,698 | |
| Evaporation from storages | 2,392,808 | 2,028,683 | 1,923,584 | 1,405,261 | 1,497,356 | 1,994,644 | |
| Evaporation from rivers | 132,205 | 118,738 | 89,077 | 97,005 | 82,299 | 80,090 | |
| Leakage to landscape | 80 | 80 | 80 | 80 | 80 | 80 | |
| Overbank flow | 347,943 | 140,646 | 34,967 | 110,634 | 34,975 | 1,203 | |
| Recharge to groundwater* | 770,269 | 605,435 | 352,342 | 445,529 | 329,380 | 280,358 | |
| River outflow | 12,324,896 | 7,741,781 | 3,139,331 | 4,024,478 | 4,020,758 | 2,813,434 | |
| Allocated diversion to agriculture users | 51,002 | 46,404 | 29,057 | 20,224 | 23,764 | 31,335 | |
| Allocated diversion to commercial users | 416 | 416 | 467 | 329 | 394 | 342 | |
| Allocated diversion to industry users | 13 | 13 | 13 | 0 | 0 | 0 | |
| Allocated diversion to irrigation users | 182,063 | 215,932 | 214,665 | 247,069 | 280,105 | 271,224 | |
| Allocated diversion to mining users | 647 | 601 | 3,036 | 2,220 | 2,868 | 2,386 | |
| Allocated diversion to parks, gardens and recreation users | 644 | 600 | 703 | 634 | 634 | 634 | |
| Allocated diversion to stock and domestic users | 234 | 235 | 248 | 548 | 548 | 543 | |
| Allocated diversion to urban users | 700 | 700 | 700 | 425 | 425 | 425 | |
| Groundwater outflows | 6,208 | 5,566 | 6,171 | 7,185 | 6,628 | 6,202 | |
| Allocated extraction to agriculture users | 260 | 260 | 248 | 215 | 215 | 293 | |
| Allocated extraction to commercial users | 646 | 226 | 646 | 597 | 588 | 411 | |
| Allocated extraction to industry users | 4 | 4 | 56 | 0 | 0 | 0 | |
| Allocated extraction to mining users | 2,411 | 2,209 | 2,289 | 4,386 | 3,828 | 3,506 | |
| Allocated extraction to parks, gardens, and recreation users | 75 | 55 | 60 | 31 | 41 | 41 | |
| Allocated extraction to stock and domestic users | 12 | 112 | 172 | 178 | 178 | 173 | |
| Allocated extraction to urban users | 2,700 | 2,700 | 2,700 | 1,778 | 1,778 | 1,778 | |
| Total water outflows | 16,210,128 | 10,905,830 | 5,794,441 | 6,361,621 | 6,280,214 | 5,482,900 | |
| Unaccounted-for difference | (707,084) | 3,738,734 | 1,730,333 | 2,861,257 | 1,389,638 | 946,573 | |
| Change in water storage | |||||||
| Change in surface water storage | 1,536,962 | 3,283,057 | (547,021) | 3,856,616 | (1,778,949) | (2,764,809) | |
| Change in groundwater storage | - | - | - | - | - | - | |
| Total change in water storage | 1,536,962 | 3,283,057 | (547,021) | 3,856,616 | (1,778,949) | (2,764,809) | |
| Closing water storage | 12,433,925 | 10,896,963 | 7,613,906 | 8,160,927 | 4,304,311 | 6,083,260 | |
| Change in water liability | |||||||
| Surface water liability | 0 | (277) | 0 | 14,385 | 57,620 | (67,768) | |
| Surface water carryover | 0 | (277) | 0 | 14,385 | 57,620 | (67,768) | |
| Groundwater liability | 0 | (7) | 0 | 0 | 0 | 0 | |
| Groundwater carryover | 0 | (7) | 0 | 0 | 0 | 0 | |
| Total change in water liability | 0 | (284) | 0 | 14,385 | 57,620 | (67,768) | |
| Net change in water assets | 1,536,962 | 3,283,341 | (547,021) | 3,842,231 | (1,836,569) | (2,697,041) | |
* between-store flows
Note: quantification approaches used to derive each item volume are provided in the Methods.