Timestamp: 04-06-2026 07:01:05
DIVISION OF OPERATIONS AND MAINTENANCE
SUMMARY OF SWP RESERVOIR
03-30-2026 to 04-05-2026
All Values in (AF)
| Oroville Complex | This Week Maximum Day | This Week Minimum Day | 04-05-2026 Reading | Total for Week |
|---|---|---|---|---|
| Inflow To Lake Oroville | 20,569 | 10,520 | 11,520 | 95,108 |
| Total Releases from Hyatt Power Plant (Includes Pumpack) | 3,469 | 809 | 809 | 16,389 |
| River Valve Flow | 0 | 0 | 0 | 0 |
| Spill | 0 | 0 | 0 | 0 |
| Storage | 3,153,622 | 3,082,724 | 3,153,622 | - |
| Flood Control - Amount of Encroachment | 102,216 | 32,971 | 84,624 | - |
| Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) | 3,471 | 2,083 | 2,083 | 19,834 |
| Releases to Feather River for Flood Control | 1,189 | 0 | 0 | 2,477 |
| Reservoir Storage | Operational Capacity | This Year Maximum Storage (1) | This Year Minimum Storage (1) | Average Storage (2) | 04-05-2026 Reading | Net Change this Week (3) |
|---|---|---|---|---|---|---|
| Frenchman Lake | 55,475 | 57,038 | 46,498 | 9,235 | 56,205 | -144 |
| Lake Davis | 84,371 | 81,898 | 72,982 | 12,653 | 81,858 | 514 |
| Antelope Lake | 22,564 | 23,609 | 19,328 | 4,032 | 23,031 | 0 |
| Lake Oroville | 3,440,276 | 3,153,622 | 2,404,046 | 473,660 | 3,153,622 | 77,669 |
| Lake Del Valle | 39,914 | 35,716 | 28,778 | 6,889 | 35,716 | 671 |
| San Luis Reservoir Total | 2,027,835 | 1,815,496 | 1,405,750 | 302,605 | 1,798,405 | -11,836 |
| DWR | 1,062,180 | 1,063,619 | 960,446 | 162,637 | 1,022,720 | -16,875 |
| USBR | 965,655 | 775,685 | 445,304 | 139,967 | 775,685 | 5,039 |
| Pyramid Lake | 169,901 | 169,025 | 150,446 | 30,986 | 167,012 | 3,234 |
| Castaic Lake | 319,247 | 271,213 | 248,811 | 49,667 | 269,605 | 1,906 |
| Silverwood Lake | 74,970 | 70,337 | 49,526 | 12,860 | 70,337 | 3,496 |
| Lake Perris | 132,614 | 124,647 | 107,043 | 20,291 | 107,388 | 237 |
| Total (4) | 5,401,512 | 5,050,724 | 4,087,904 | 782,910 | 4,987,494 | 70,708 |
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 04/05 from 1979 through 2026.
- (3)
- Since 03-29-2026.
- (4)
- Does not include USBR San Luis Reservoir storage.