Timestamp: 02-23-2026 07:01:04
DIVISION OF OPERATIONS AND MAINTENANCE
SUMMARY OF SWP RESERVOIR
02-16-2026 to 02-22-2026
All Values in (AF)
| Oroville Complex | This Week Maximum Day | This Week Minimum Day | 02-22-2026 Reading | Total for Week |
|---|---|---|---|---|
| Inflow To Lake Oroville | 45,304 | 12,641 | 12,709 | 135,107 |
| Total Releases from Hyatt Power Plant (Includes Pumpack) | 15,999 | 3,715 | 12,515 | 62,436 |
| River Valve Flow | 0 | 0 | 0 | 0 |
| Spill | 34,714 | 0 | 8,595 | 53,225 |
| Storage | 2,777,670 | 2,745,268 | 2,755,949 | - |
| Flood Control - Amount of Encroachment | 0 | 0 | 0 | - |
| Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) | 19,834 | 7,934 | 19,834 | 85,536 |
| Releases to Feather River for Flood Control | - | - | - | - |
| Reservoir Storage | Operational Capacity | This Year Maximum Storage (1) | This Year Minimum Storage (1) | Average Storage (2) | 02-22-2026 Reading | Net Change this Week (3) |
|---|---|---|---|---|---|---|
| Frenchman Lake | 55,475 | 53,061 | 46,498 | 8,083 | 53,061 | 961 |
| Lake Davis | 84,371 | 77,526 | 72,982 | 11,728 | 77,526 | 1,302 |
| Antelope Lake | 22,564 | 22,797 | 19,328 | 3,414 | 22,797 | 464 |
| Lake Oroville | 3,440,276 | 2,830,438 | 2,404,046 | 411,499 | 2,755,949 | 19,208 |
| Lake Del Valle | 39,914 | 34,335 | 28,778 | 6,228 | 34,335 | 4,057 |
| San Luis Reservoir Total | 2,027,835 | 1,699,189 | 1,405,750 | 277,701 | 1,699,189 | 63,290 |
| DWR | 1,062,180 | 1,040,130 | 960,446 | 152,665 | 1,040,130 | 29,292 |
| USBR | 965,655 | 659,059 | 445,304 | 125,036 | 659,059 | 33,998 |
| Pyramid Lake | 169,901 | 157,274 | 150,446 | 29,079 | 154,369 | -2,316 |
| Castaic Lake | 319,247 | 266,499 | 248,811 | 45,404 | 266,499 | 6,864 |
| Silverwood Lake | 74,970 | 63,905 | 49,526 | 12,438 | 57,962 | 8,436 |
| Lake Perris | 132,614 | 124,647 | 116,509 | 19,142 | 116,598 | -911 |
| Total (4) | 5,401,512 | 4,670,612 | 4,097,370 | 699,680 | 4,579,226 | 67,357 |
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 02/22 from 1979 through 2026.
- (3)
- Since 02-15-2026.
- (4)
- Does not include USBR San Luis Reservoir storage.