Timestamp: 05-26-2025 07:01:06
DIVISION OF OPERATIONS AND MAINTENANCE
SUMMARY OF SWP RESERVOIR
05-19-2025 to 05-25-2025
All Values in (AF)
| Oroville Complex | This Week Maximum Day | This Week Minimum Day | 05-25-2025 Reading | Total for Week |
|---|---|---|---|---|
| Inflow To Lake Oroville | 12,166 | 11,061 | 11,061 | 81,749 |
| Total Releases from Hyatt Power Plant (Includes Pumpack) | 9,558 | 1,538 | 9,558 | 30,706 |
| River Valve Flow | 0 | 0 | 0 | 0 |
| Spill | 9,174 | 3,967 | 3,967 | 33,807 |
| Storage | 3,411,897 | 3,394,134 | 3,404,940 | - |
| Flood Control - Amount of Encroachment | 0 | 0 | 0 | - |
| Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) | 4,165 | 3,372 | 4,165 | 24,397 |
| Releases to Feather River for Flood Control | - | - | - | - |
| Reservoir Storage | Operational Capacity | This Year Maximum Storage (1) | This Year Minimum Storage (1) | Average Storage (2) | 05-25-2025 Reading | Net Change this Week (3) |
|---|---|---|---|---|---|---|
| Frenchman Lake | 55,475 | 56,861 | 43,184 | 8,531 | 55,871 | -191 |
| Lake Davis | 84,371 | 81,542 | 67,507 | 12,093 | 80,166 | -549 |
| Antelope Lake | 22,564 | 23,609 | 17,030 | 3,786 | 22,928 | -292 |
| Lake Oroville | 3,440,276 | 3,411,897 | 2,336,664 | 466,218 | 3,404,940 | 14,969 |
| Lake Del Valle | 39,914 | 40,326 | 26,098 | 6,584 | 39,717 | -84 |
| San Luis Reservoir Total | 2,027,835 | 1,841,361 | 1,367,721 | 231,026 | 1,367,721 | -88,749 |
| DWR | 1,062,180 | 1,015,784 | 702,565 | 125,200 | 702,565 | -49,880 |
| USBR | 965,655 | 854,111 | 523,835 | 105,826 | 665,156 | -38,869 |
| Pyramid Lake | 169,901 | 167,626 | 150,637 | 28,072 | 163,023 | -2,869 |
| Castaic Lake | 319,247 | 310,407 | 238,931 | 46,220 | 310,407 | 10,877 |
| Silverwood Lake | 74,970 | 72,657 | 67,006 | 11,910 | 72,513 | 392 |
| Lake Perris | 132,614 | 117,777 | 105,347 | 19,247 | 117,777 | 646 |
| Total (4) | 5,401,512 | 5,298,486 | 3,754,969 | 727,861 | 4,969,907 | -26,981 |
Data is preliminary and subject to revision.
Footnotes
- (1)
- Maximum and Minimum storage in the year the week begins (2025).
- (2)
- Average storage for each 05/25 from 1979 through 2025.
- (3)
- Since 05-18-2025.
- (4)
- Does not include USBR San Luis Reservoir storage.