Timestamp: 12-08-2025 07:01:07
STATE OF CALIFORNIA
DEPARTMENT OF WATER RESOURCES
THE RESOURCES AGENCY

DIVISION OF OPERATIONS AND MAINTENANCE

SUMMARY OF SWP RESERVOIR

12-01-2025 to 12-07-2025

All Values in (AF)

Oroville Complex This Week Maximum Day This Week Minimum Day 12-07-2025 Reading Total for Week
Inflow To Lake Oroville 5,636 4,787 4,787 36,539
Total Releases from Hyatt Power Plant (Includes Pumpack) 8,666 5,777 6,526 48,415
River Valve Flow 0 0 0 0
Spill 0 0 0 0
Storage 1,758,206 1,749,326 1,749,326 -
Flood Control - Amount of Encroachment 0 0 0 -
Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) 4,760 4,165 4,165 30,940
Releases to Feather River for Flood Control - - - -
Reservoir Storage Operational Capacity This Year Maximum Storage (1) This Year Minimum Storage (1) Average Storage (2) 12-07-2025 Reading Net Change this Week (3)
Frenchman Lake 55,475 56,861 42,429 6,590 43,062 40
Lake Davis 84,371 81,542 65,277 9,771 66,157 -71
Antelope Lake 22,564 23,609 15,615 2,662 15,615 -218
Lake Oroville 3,440,276 3,421,343 1,749,326 261,541 1,749,326 -12,007
Lake Del Valle 39,914 40,511 26,098 5,086 29,770 -1,059
San Luis Reservoir Total 2,027,835 1,841,361 771,746 167,361 1,294,245 11,642
DWR 1,062,180 1,015,784 462,113 105,058 905,518 3,741
USBR 965,655 854,111 242,281 62,303 388,727 7,901
Pyramid Lake 169,901 169,257 150,637 27,618 152,918 -7,904
Castaic Lake 319,247 317,123 238,931 36,268 242,106 -6,762
Silverwood Lake 74,970 73,186 50,911 11,062 61,162 7,697
Lake Perris 132,614 127,759 105,347 17,741 126,658 -481
Total (4) 5,401,512 5,326,975 2,906,684 483,397 3,392,292 -17,024

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 12/07 from 1979 through 2025.
(3)
Since 11-30-2025.
(4)
Does not include USBR San Luis Reservoir storage.