17 November for the 2025/26 Season
The outlooks for 2025/26 seasonal determinations are based on historical flow records that have been adjusted to match climate conditions observed since 1975.
The scenarios for different inflow conditions we/re produced using the following terminology:
- Wet: Inflow volumes to major storages that are greater in 10 years out of 100
- Above Average: Inflow volumes to major storages that are greater in 30 years out of 100
- Average: Inflow volumes to major storages that are greater in 50 years out of 100
- Below Average: Inflow volumes to major storages that are greater in 70 years out of 100
- Dry: Inflow volumes to major storages that are greater in 90 years out of 100
- Very Dry: Inflow volumes to major storages that are greater in 95 years out of 100
- Extreme Dry: Inflow volumes to major storages that are greater in 99 years out of 100
The following tables summarise possible HRWS seasonal determinations through the 2025/2026 season.
Goulburn and Loddon System Outlook for 2025/26 Seasonal Determination of High-Reliability Water Shares
| Wet |
83% |
98% |
| Above Average |
73% |
83% |
| Average |
69% |
77% |
| Below Average |
66% |
72% |
| Dry |
64% |
67% |
| Very Dry |
64% |
66% |
| Extreme Dry |
64% |
65% |
Broken System Outlook for 2025/26 Seasonal Determination of High-Reliability Water Shares
| Wet |
100% |
100% |
| Above Average |
73% |
100% |
| Average |
53% |
100% |
| Below Average |
46% |
73% |
| Dry |
40% |
45% |
| Very Dry |
38% |
41% |
| Extreme Dry |
37% |
38% |
Bullarook System Outlook for 2025/26 Seasonal Determination of High-Reliability Water Shares
| Wet |
100% |
100% |
| Above Average |
18% |
34% |
| Average |
0% |
11% |
| Below Average |
0% |
2% |
| Dry |
0% |
0% |
| Very Dry |
0% |
0% |
| Extreme Dry |
0% |
0% |