Timestamp: 09-07-2026 07:01:06

STATE OF CALIFORNIA

DEPARTMENT OF WATER RESOURCES

THE RESOURCES AGENCY

DIVISION OF OPERATIONS AND MAINTENANCE

SUMMARY OF SWP RESERVOIR

08-31-2026 to 09-06-2026

All Values in (AF)

Oroville Complex	This Week Maximum Day	This Week Minimum Day	09-06-2026 Reading	Total for Week
Inflow To Lake Oroville	6,493	1,897	6,280	32,535
Total Releases from Hyatt Power Plant (Includes Pumpack)	20,238	15,489	15,489	128,696
River Valve Flow	0	0	0	0
Spill	0	0	0	0
Storage	1,973,047	1,894,078	1,894,078	-
Flood Control - Amount of Encroachment	0	0	0	-
Releases to Feather River (Sum of River Outlet and Diversion Dam Releases)	16,017	14,876	14,877	108,746
Releases to Feather River for Flood Control	-	-	-	-

Reservoir Storage	Operational Capacity	This Year Maximum Storage (1)	This Year Minimum Storage (1)	Average Storage (2)	09-06-2026 Reading	Net Change this Week (3)
Frenchman Lake	55,475	57,038	42,941	32,907	42,941	-243
Lake Davis	84,371	83,169	70,325	57,821	70,325	-623
Antelope Lake	22,564	23,609	18,687	18,481	18,687	-83
Lake Oroville	3,440,276	3,384,884	1,894,078	2,089,224	1,894,078	-97,357
Lake Del Valle	39,914	40,418	28,778	37,031	33,672	-927
San Luis Reservoir Total	2,027,835	1,815,496	1,137,206	806,828	1,332,354	51,272
DWR	1,062,180	1,063,619	614,873	542,238	883,882	29,171
USBR	965,655	784,781	390,989	264,590	448,472	22,101
Pyramid Lake	169,901	169,025	150,446	162,885	164,030	1,157
Castaic Lake	319,247	309,079	248,811	255,854	305,329	-2,859
Silverwood Lake	74,970	72,705	49,526	68,144	70,176	2,156
Lake Perris	132,614	124,647	107,043	97,053	121,204	1,101
Total (4)	5,401,512	5,328,193	3,225,508	3,361,638	3,604,324	-68,507

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 09/06 from 1979 through 2026.
(3): Since 08-30-2026.
(4): Does not include USBR San Luis Reservoir storage.