Official Water Supply Forecasts (January - July)
2026 Water Year
|
[Previous Water Years] |
|
| Monthly WSF | Date Posted (by 17:00) |
| January | 6-Jan-2026 |
| February | 4-Feb-2026 |
| March | 4-Mar-2026 |
| April | 3-Apr-2026 |
| May | 5-May-2026 |
| June | 3-Jun-2026 |
| July | 6-Jul-2026 |
| Water Year ESP Plot (NWRFC) | |
| Grand Coulee Dam (APR-AUG) | |
| The Dalles Dam (APR-AUG) | |
| Lower Granite Dam (APR-JUL) | |