Timestamp: 09-08-2025 07:01:06
STATE OF CALIFORNIA
DEPARTMENT OF WATER RESOURCES
THE RESOURCES AGENCY

DIVISION OF OPERATIONS AND MAINTENANCE

SUMMARY OF SWP RESERVOIR

09-01-2025 to 09-07-2025

All Values in (AF)

Oroville Complex This Week Maximum Day This Week Minimum Day 09-07-2025 Reading Total for Week
Inflow To Lake Oroville 6,944 5,418 5,761 41,973
Total Releases from Hyatt Power Plant (Includes Pumpack) 22,274 11,398 13,987 111,995
River Valve Flow 0 0 0 0
Spill 0 0 0 0
Storage 2,306,183 2,250,560 2,250,560 -
Flood Control - Amount of Encroachment 0 0 0 -
Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) 12,892 11,901 11,901 85,743
Releases to Feather River for Flood Control - - - -
Reservoir Storage Operational Capacity This Year Maximum Storage (1) This Year Minimum Storage (1) Average Storage (2) 09-07-2025 Reading Net Change this Week (3)
Frenchman Lake 55,475 56,861 43,184 6,885 44,264 -650
Lake Davis 84,371 81,542 67,507 10,407 68,368 -685
Antelope Lake 22,564 23,609 17,030 3,092 18,421 -333
Lake Oroville 3,440,276 3,421,343 2,250,560 321,427 2,250,560 -72,194
Lake Del Valle 39,914 40,511 26,098 6,187 37,629 482
San Luis Reservoir Total 2,027,835 1,841,361 771,746 161,873 896,934 47,433
DWR 1,062,180 1,015,784 462,113 103,154 651,168 44,618
USBR 965,655 854,111 239,983 58,719 245,766 2,815
Pyramid Lake 169,901 167,626 150,637 28,277 166,681 510
Castaic Lake 319,247 317,123 238,931 41,312 281,681 -4,179
Silverwood Lake 74,970 73,186 67,006 11,824 72,207 -565
Lake Perris 132,614 121,542 105,347 18,121 121,520 181
Total (4) 5,401,512 5,319,127 3,428,413 550,686 3,712,499 -32,815

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 09/07 from 1979 through 2025.
(3)
Since 08-31-2025.
(4)
Does not include USBR San Luis Reservoir storage.