| Reservoir | Current level(% normal capacity) | Usable storage (%) |
| Bhumibol Dam | 9,524 (71%) | 5,724 (43%) |
| Sirikit Dam | 7,772 (82%) | 4,922 (52%) |
| Pa Sak Jorasit Dam | 806 (92%) | 791 (91%) |
| Wachiralongkorn Dam | 8,641 (98%) | 5,629 (64%) |
(SL = Supply Level)
| Table of Large Dam Supply Level |