Timestamp: 03-30-2026 07:01:05
STATE OF CALIFORNIA
DEPARTMENT OF WATER RESOURCES
THE RESOURCES AGENCY

DIVISION OF OPERATIONS AND MAINTENANCE

SUMMARY OF SWP RESERVOIR

03-23-2026 to 03-29-2026

All Values in (AF)

Oroville Complex This Week Maximum Day This Week Minimum Day 03-29-2026 Reading Total for Week
Inflow To Lake Oroville 13,288 10,241 10,241 82,666
Total Releases from Hyatt Power Plant (Includes Pumpack) 8,778 3,580 3,580 36,688
River Valve Flow 0 0 0 0
Spill 4,050 0 0 4,050
Storage 3,075,953 3,038,388 3,075,953 -
Flood Control - Amount of Encroachment 26,200 13,151 26,200 -
Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) 9,876 3,620 3,620 40,387
Releases to Feather River for Flood Control 6,405 149 149 16,090
Reservoir Storage Operational Capacity This Year Maximum Storage (1) This Year Minimum Storage (1) Average Storage (2) 03-29-2026 Reading Net Change this Week (3)
Frenchman Lake 55,475 57,038 46,498 8,982 56,349 -223
Lake Davis 84,371 81,739 72,982 12,463 81,344 -277
Antelope Lake 22,564 23,609 19,328 3,893 23,031 -179
Lake Oroville 3,440,276 3,075,953 2,404,046 465,639 3,075,953 40,563
Lake Del Valle 39,914 35,045 28,778 6,742 35,045 524
San Luis Reservoir Total 2,027,835 1,815,496 1,405,750 300,176 1,810,241 -855
DWR 1,062,180 1,063,619 960,446 162,673 1,039,595 -6,255
USBR 965,655 771,446 445,304 137,503 770,646 5,400
Pyramid Lake 169,901 169,025 150,446 30,553 163,778 -2,928
Castaic Lake 319,247 270,390 248,811 48,428 267,699 6,624
Silverwood Lake 74,970 66,841 49,526 12,766 66,841 2,559
Lake Perris 132,614 124,647 107,043 19,949 107,151 -1,924
Total (4) 5,401,512 4,967,906 4,087,904 772,088 4,916,786 38,484

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 03/29 from 1979 through 2026.
(3)
Since 03-22-2026.
(4)
Does not include USBR San Luis Reservoir storage.