Timestamp: 02-02-2026 07:01:02
DIVISION OF OPERATIONS AND MAINTENANCE
SUMMARY OF SWP RESERVOIR
01-26-2026 to 02-01-2026
All Values in (AF)
| Oroville Complex | This Week Maximum Day | This Week Minimum Day | 02-01-2026 Reading | Total for Week |
|---|---|---|---|---|
| Inflow To Lake Oroville | 12,488 | 10,309 | 10,890 | 81,140 |
| Total Releases from Hyatt Power Plant (Includes Pumpack) | 16,248 | 399 | 16,148 | 49,297 |
| River Valve Flow | 0 | 0 | 0 | 0 |
| Spill | 0 | 0 | 0 | 0 |
| Storage | 2,831,118 | 2,797,349 | 2,819,829 | - |
| Flood Control - Amount of Encroachment | 0 | 0 | 0 | - |
| Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) | 19,834 | 3,471 | 19,834 | 60,817 |
| Releases to Feather River for Flood Control | - | - | - | - |
| Reservoir Storage | Operational Capacity | This Year Maximum Storage (1) | This Year Minimum Storage (1) | Average Storage (2) | 02-01-2026 Reading | Net Change this Week (3) |
|---|---|---|---|---|---|---|
| Frenchman Lake | 55,475 | 50,611 | 0 | 7,806 | 50,611 | 506 |
| Lake Davis | 84,371 | 75,501 | 72,982 | 11,440 | 75,501 | 76 |
| Antelope Lake | 22,564 | 21,647 | 19,328 | 3,184 | 21,647 | 189 |
| Lake Oroville | 3,440,276 | 2,831,118 | 2,404,046 | 382,078 | 2,819,829 | 31,386 |
| Lake Del Valle | 39,914 | 30,208 | 28,778 | 5,750 | 30,143 | 64 |
| San Luis Reservoir Total | 2,027,835 | 1,600,406 | 1,405,750 | 263,766 | 1,600,406 | 31,273 |
| DWR | 1,062,180 | 989,133 | 960,446 | 145,233 | 986,807 | 99 |
| USBR | 965,655 | 613,599 | 445,304 | 118,532 | 613,599 | 31,174 |
| Pyramid Lake | 169,901 | 157,274 | 150,446 | 29,114 | 154,782 | 1,623 |
| Castaic Lake | 319,247 | 257,611 | 248,811 | 43,896 | 251,687 | -1,144 |
| Silverwood Lake | 74,970 | 63,896 | 56,148 | 12,449 | 63,896 | 2,585 |
| Lake Perris | 132,614 | 124,647 | 121,475 | 18,938 | 121,475 | -993 |
| Total (4) | 5,401,512 | 4,601,646 | 4,062,460 | 659,888 | 4,576,378 | 34,391 |
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 02/01 from 1979 through 2026.
- (3)
- Since 01-25-2026.
- (4)
- Does not include USBR San Luis Reservoir storage.