Timestamp: 01-12-2026 07:01:02
DIVISION OF OPERATIONS AND MAINTENANCE
SUMMARY OF SWP RESERVOIR
01-05-2026 to 01-11-2026
All Values in (AF)
| Oroville Complex | This Week Maximum Day | This Week Minimum Day | 01-11-2026 Reading | Total for Week |
|---|---|---|---|---|
| Inflow To Lake Oroville | 68,400 | 15,191 | 15,191 | 276,448 |
| Total Releases from Hyatt Power Plant (Includes Pumpack) | 13,475 | 2,498 | 2,744 | 36,923 |
| River Valve Flow | 0 | 0 | 0 | 0 |
| Spill | 18,528 | 0 | 0 | 71,765 |
| Storage | 2,677,465 | 2,546,365 | 2,677,465 | - |
| Flood Control - Amount of Encroachment | 2,712 | 0 | 2,712 | - |
| Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) | 29,752 | 10,661 | 10,661 | 112,793 |
| Releases to Feather River for Flood Control | 7,190 | 7,190 | 7,190 | 7,190 |
| Reservoir Storage | Operational Capacity | This Year Maximum Storage (1) | This Year Minimum Storage (1) | Average Storage (2) | 01-11-2026 Reading | Net Change this Week (3) |
|---|---|---|---|---|---|---|
| Frenchman Lake | 55,475 | 48,536 | 46,498 | 7,624 | 48,536 | 1,126 |
| Lake Davis | 84,371 | 75,198 | 72,982 | 11,356 | 75,198 | 831 |
| Antelope Lake | 22,564 | 20,806 | 19,328 | 3,122 | 20,806 | 738 |
| Lake Oroville | 3,440,276 | 2,677,465 | 2,404,046 | 344,620 | 2,677,465 | 167,428 |
| Lake Del Valle | 39,914 | 30,208 | 28,778 | 5,848 | 30,208 | 980 |
| San Luis Reservoir Total | 2,027,835 | 1,487,536 | 1,405,750 | 235,725 | 1,487,536 | 60,332 |
| DWR | 1,062,180 | 975,254 | 960,446 | 133,868 | 975,254 | 8,381 |
| USBR | 965,655 | 512,282 | 445,304 | 101,858 | 512,282 | 51,951 |
| Pyramid Lake | 169,901 | 153,340 | 151,199 | 29,223 | 152,436 | 745 |
| Castaic Lake | 319,247 | 257,611 | 253,219 | 43,687 | 253,219 | -3,843 |
| Silverwood Lake | 74,970 | 60,334 | 56,148 | 12,647 | 60,334 | 2,449 |
| Lake Perris | 132,614 | 124,647 | 123,737 | 18,794 | 123,737 | -842 |
| Total (4) | 5,401,512 | 4,423,399 | 4,116,381 | 610,789 | 4,417,193 | 177,993 |
Data is preliminary and subject to revision.
Footnotes
- (1)
- Maximum and Minimum storage in the year the week begins (2026).
- (2)
- Average storage for each 01/11 from 1979 through 2026.
- (3)
- Since 01-04-2026.
- (4)
- Does not include USBR San Luis Reservoir storage.