Timestamp: 02-23-2026 07:01:04
STATE OF CALIFORNIA
DEPARTMENT OF WATER RESOURCES
THE RESOURCES AGENCY

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.