Timestamp: 05-05-2025 07:01:06
DIVISION OF OPERATIONS AND MAINTENANCE
SUMMARY OF SWP RESERVOIR
04-28-2025 to 05-04-2025
All Values in (AF)
| Oroville Complex | This Week Maximum Day | This Week Minimum Day | 05-04-2025 Reading | Total for Week |
|---|---|---|---|---|
| Inflow To Lake Oroville | 17,167 | 13,787 | 16,988 | 113,509 |
| Total Releases from Hyatt Power Plant (Includes Pumpack) | 3,100 | 0 | 1,901 | 10,822 |
| River Valve Flow | 0 | 0 | 0 | 0 |
| Spill | 6,149 | 4,463 | 4,463 | 34,561 |
| Storage | 3,315,523 | 3,257,700 | 3,315,523 | - |
| Flood Control - Amount of Encroachment | 0 | 0 | 0 | - |
| Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) | 4,562 | 4,562 | 4,562 | 31,934 |
| Releases to Feather River for Flood Control | - | - | - | - |
| Reservoir Storage | Operational Capacity | This Year Maximum Storage (1) | This Year Minimum Storage (1) | Average Storage (2) | 05-04-2025 Reading | Net Change this Week (3) |
|---|---|---|---|---|---|---|
| Frenchman Lake | 55,475 | 56,861 | 43,184 | 8,673 | 56,397 | -239 |
| Lake Davis | 84,371 | 81,542 | 67,507 | 12,124 | 81,147 | -197 |
| Antelope Lake | 22,564 | 23,609 | 17,030 | 3,833 | 23,390 | -47 |
| Lake Oroville | 3,440,276 | 3,315,523 | 2,336,664 | 463,563 | 3,315,523 | 66,799 |
| Lake Del Valle | 39,914 | 40,326 | 26,098 | 6,619 | 40,077 | -242 |
| San Luis Reservoir Total | 2,027,835 | 1,841,361 | 1,408,440 | 253,770 | 1,645,227 | -65,329 |
| DWR | 1,062,180 | 1,015,784 | 840,278 | 134,646 | 840,278 | -44,534 |
| USBR | 965,655 | 854,111 | 523,835 | 119,123 | 804,949 | -20,795 |
| Pyramid Lake | 169,901 | 167,626 | 150,637 | 28,130 | 164,599 | 76 |
| Castaic Lake | 319,247 | 277,887 | 238,931 | 45,928 | 277,356 | 9,096 |
| Silverwood Lake | 74,970 | 72,657 | 67,006 | 11,753 | 72,063 | 133 |
| Lake Perris | 132,614 | 114,298 | 105,347 | 18,807 | 114,298 | 2,262 |
| Total (4) | 5,401,512 | 5,166,113 | 3,892,682 | 734,076 | 4,985,128 | 33,107 |
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 05/04 from 1979 through 2025.
- (3)
- Since 04-27-2025.
- (4)
- Does not include USBR San Luis Reservoir storage.