Timestamp: 03-16-2026 07:01:05
STATE OF CALIFORNIA
DEPARTMENT OF WATER RESOURCES
THE RESOURCES AGENCY

DIVISION OF OPERATIONS AND MAINTENANCE

SUMMARY OF SWP RESERVOIR

03-09-2026 to 03-15-2026

All Values in (AF)

Oroville Complex This Week Maximum Day This Week Minimum Day 03-15-2026 Reading Total for Week
Inflow To Lake Oroville 18,939 15,204 15,204 120,296
Total Releases from Hyatt Power Plant (Includes Pumpack) 8,181 4,134 4,623 40,473
River Valve Flow 0 0 0 0
Spill 10,694 6,942 6,942 64,537
Storage 3,009,491 2,995,888 3,009,491 -
Flood Control - Amount of Encroachment 81,939 43,278 43,278 -
Releases to Feather River (Sum of River Outlet and Diversion Dam Releases) 17,851 12,892 12,892 105,535
Releases to Feather River for Flood Control 14,380 9,421 9,421 81,236
Reservoir Storage Operational Capacity This Year Maximum Storage (1) This Year Minimum Storage (1) Average Storage (2) 03-15-2026 Reading Net Change this Week (3)
Frenchman Lake 55,475 57,038 46,498 8,506 56,765 -224
Lake Davis 84,371 81,700 72,982 12,067 81,700 395
Antelope Lake 22,564 23,609 19,328 3,602 23,238 -38
Lake Oroville 3,440,276 3,009,491 2,404,046 443,828 3,009,491 14,027
Lake Del Valle 39,914 34,747 28,778 6,510 34,612 -19
San Luis Reservoir Total 2,027,835 1,802,794 1,405,750 290,963 1,802,794 26,524
DWR 1,062,180 1,063,619 960,446 160,213 1,060,478 -1,373
USBR 965,655 742,316 445,304 130,750 742,316 27,897
Pyramid Lake 169,901 169,025 150,446 30,052 169,025 4,603
Castaic Lake 319,247 266,499 248,811 46,240 256,553 -1,980
Silverwood Lake 74,970 64,903 49,526 12,755 64,903 3,627
Lake Perris 132,614 124,647 112,014 19,452 112,014 -2,769
Total (4) 5,401,512 4,895,278 4,092,875 743,225 4,868,779 16,249

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 03/15 from 1979 through 2026.
(3)
Since 03-08-2026.
(4)
Does not include USBR San Luis Reservoir storage.