Timestamp: 10-20-2025 07:01:06
DIVISION OF OPERATIONS AND MAINTENANCE
SUMMARY OF SWP RESERVOIR
10-13-2025 to 10-19-2025
All Values in (AF)
| Oroville Complex | This Week Maximum Day | This Week Minimum Day | 10-19-2025 Reading | Total for Week |
|---|---|---|---|---|
| Inflow To Lake Oroville | 4,293 | 2,964 | 3,291 | 24,776 |
| Total Releases from Hyatt Power Plant (Includes Pumpack) | 8,391 | 5,929 | 6,195 | 52,326 |
| River Valve Flow | 0 | 0 | 0 | 0 |
| Spill | 0 | 0 | 0 | 0 |
| Storage | 1,899,133 | 1,873,766 | 1,873,766 | - |
| Flood Control - Amount of Encroachment | 0 | 0 | 0 | - |
| Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) | 5,454 | 4,859 | 4,859 | 34,658 |
| Releases to Feather River for Flood Control | - | - | - | - |
| Reservoir Storage | Operational Capacity | This Year Maximum Storage (1) | This Year Minimum Storage (1) | Average Storage (2) | 10-19-2025 Reading | Net Change this Week (3) |
|---|---|---|---|---|---|---|
| Frenchman Lake | 55,475 | 56,861 | 42,443 | 6,567 | 42,510 | 67 |
| Lake Davis | 84,371 | 81,542 | 65,383 | 9,873 | 65,488 | 35 |
| Antelope Lake | 22,564 | 23,609 | 16,802 | 2,821 | 16,802 | -236 |
| Lake Oroville | 3,440,276 | 3,421,343 | 1,873,766 | 276,445 | 1,873,766 | -28,461 |
| Lake Del Valle | 39,914 | 40,511 | 26,098 | 5,758 | 36,601 | -256 |
| San Luis Reservoir Total | 2,027,835 | 1,841,361 | 771,746 | 161,034 | 1,083,445 | -7,407 |
| DWR | 1,062,180 | 1,015,784 | 462,113 | 102,596 | 829,922 | -10,461 |
| USBR | 965,655 | 854,111 | 242,281 | 58,438 | 253,523 | 3,054 |
| Pyramid Lake | 169,901 | 169,257 | 150,637 | 28,075 | 161,171 | -2,582 |
| Castaic Lake | 319,247 | 317,123 | 238,931 | 39,598 | 277,131 | 7,184 |
| Silverwood Lake | 74,970 | 73,186 | 67,006 | 11,840 | 72,753 | 192 |
| Lake Perris | 132,614 | 125,035 | 105,347 | 17,648 | 125,035 | 775 |
| Total (4) | 5,401,512 | 5,324,251 | 3,048,526 | 501,221 | 3,501,179 | -33,743 |
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 10/19 from 1979 through 2025.
- (3)
- Since 10-12-2025.
- (4)
- Does not include USBR San Luis Reservoir storage.