Timestamp: 12-08-2025 07:01:07
DIVISION OF OPERATIONS AND MAINTENANCE
SUMMARY OF SWP RESERVOIR
12-01-2025 to 12-07-2025
All Values in (AF)
| Oroville Complex | This Week Maximum Day | This Week Minimum Day | 12-07-2025 Reading | Total for Week |
|---|---|---|---|---|
| Inflow To Lake Oroville | 5,636 | 4,787 | 4,787 | 36,539 |
| Total Releases from Hyatt Power Plant (Includes Pumpack) | 8,666 | 5,777 | 6,526 | 48,415 |
| River Valve Flow | 0 | 0 | 0 | 0 |
| Spill | 0 | 0 | 0 | 0 |
| Storage | 1,758,206 | 1,749,326 | 1,749,326 | - |
| Flood Control - Amount of Encroachment | 0 | 0 | 0 | - |
| Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) | 4,760 | 4,165 | 4,165 | 30,940 |
| Releases to Feather River for Flood Control | - | - | - | - |
| Reservoir Storage | Operational Capacity | This Year Maximum Storage (1) | This Year Minimum Storage (1) | Average Storage (2) | 12-07-2025 Reading | Net Change this Week (3) |
|---|---|---|---|---|---|---|
| Frenchman Lake | 55,475 | 56,861 | 42,429 | 6,590 | 43,062 | 40 |
| Lake Davis | 84,371 | 81,542 | 65,277 | 9,771 | 66,157 | -71 |
| Antelope Lake | 22,564 | 23,609 | 15,615 | 2,662 | 15,615 | -218 |
| Lake Oroville | 3,440,276 | 3,421,343 | 1,749,326 | 261,541 | 1,749,326 | -12,007 |
| Lake Del Valle | 39,914 | 40,511 | 26,098 | 5,086 | 29,770 | -1,059 |
| San Luis Reservoir Total | 2,027,835 | 1,841,361 | 771,746 | 167,361 | 1,294,245 | 11,642 |
| DWR | 1,062,180 | 1,015,784 | 462,113 | 105,058 | 905,518 | 3,741 |
| USBR | 965,655 | 854,111 | 242,281 | 62,303 | 388,727 | 7,901 |
| Pyramid Lake | 169,901 | 169,257 | 150,637 | 27,618 | 152,918 | -7,904 |
| Castaic Lake | 319,247 | 317,123 | 238,931 | 36,268 | 242,106 | -6,762 |
| Silverwood Lake | 74,970 | 73,186 | 50,911 | 11,062 | 61,162 | 7,697 |
| Lake Perris | 132,614 | 127,759 | 105,347 | 17,741 | 126,658 | -481 |
| Total (4) | 5,401,512 | 5,326,975 | 2,906,684 | 483,397 | 3,392,292 | -17,024 |
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 12/07 from 1979 through 2025.
- (3)
- Since 11-30-2025.
- (4)
- Does not include USBR San Luis Reservoir storage.