Timestamp: 08-31-2026 07:01:06

STATE OF CALIFORNIA

DEPARTMENT OF WATER RESOURCES

THE RESOURCES AGENCY

DIVISION OF OPERATIONS AND MAINTENANCE

SUMMARY OF SWP RESERVOIR

08-24-2026 to 08-30-2026

All Values in (AF)

Oroville Complex	This Week Maximum Day	This Week Minimum Day	08-30-2026 Reading	Total for Week
Inflow To Lake Oroville	9,171	2,109	2,109	34,862
Total Releases from Hyatt Power Plant (Includes Pumpack)	21,499	17,560	18,726	138,163
River Valve Flow	0	0	0	0
Spill	0	0	0	0
Storage	2,084,152	1,991,435	1,991,435	-
Flood Control - Amount of Encroachment	0	0	0	-
Releases to Feather River (Sum of River Outlet and Diversion Dam Releases)	15,869	15,868	15,868	111,080
Releases to Feather River for Flood Control	-	-	-	-

Reservoir Storage	Operational Capacity	This Year Maximum Storage (1)	This Year Minimum Storage (1)	Average Storage (2)	08-30-2026 Reading	Net Change this Week (3)
Frenchman Lake	55,475	57,038	43,184	33,373	43,184	-531
Lake Davis	84,371	83,169	70,948	58,495	70,948	-846
Antelope Lake	22,564	23,609	18,770	18,776	18,770	-337
Lake Oroville	3,440,276	3,384,884	1,991,435	2,135,708	1,991,435	-105,396
Lake Del Valle	39,914	40,418	28,778	37,380	34,599	-912
San Luis Reservoir Total	2,027,835	1,815,496	1,137,206	790,816	1,281,082	47,075
DWR	1,062,180	1,063,619	614,873	533,683	854,711	29,766
USBR	965,655	784,781	390,989	257,133	426,371	17,309
Pyramid Lake	169,901	169,025	150,446	162,903	162,873	-1,688
Castaic Lake	319,247	309,079	248,811	257,580	308,188	3,097
Silverwood Lake	74,970	72,705	49,526	68,258	68,020	1,683
Lake Perris	132,614	124,647	107,043	97,391	120,103	23
Total (4)	5,401,512	5,328,193	3,323,814	3,403,547	3,672,831	-75,141

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 08/30 from 1979 through 2026.
(3): Since 08-23-2026.
(4): Does not include USBR San Luis Reservoir storage.