Timestamp: 09-14-2026 07:01:07

STATE OF CALIFORNIA

DEPARTMENT OF WATER RESOURCES

THE RESOURCES AGENCY

DIVISION OF OPERATIONS AND MAINTENANCE

SUMMARY OF SWP RESERVOIR

09-07-2026 to 09-13-2026

All Values in (AF)

Oroville Complex	This Week Maximum Day	This Week Minimum Day	09-13-2026 Reading	Total for Week
Inflow To Lake Oroville	7,197	2,973	3,252	37,746
Total Releases from Hyatt Power Plant (Includes Pumpack)	19,438	12,519	12,578	106,433
River Valve Flow	0	0	0	0
Spill	0	0	0	0
Storage	1,880,213	1,823,555	1,823,555	-
Flood Control - Amount of Encroachment	0	0	0	-
Releases to Feather River (Sum of River Outlet and Diversion Dam Releases)	14,877	12,892	12,892	96,202
Releases to Feather River for Flood Control	-	-	-	-

Reservoir Storage	Operational Capacity	This Year Maximum Storage (1)	This Year Minimum Storage (1)	Average Storage (2)	09-13-2026 Reading	Net Change this Week (3)
Frenchman Lake	55,475	57,038	42,523	32,536	42,523	-418
Lake Davis	84,371	83,169	69,706	57,234	69,706	-619
Antelope Lake	22,564	23,609	18,454	18,189	18,454	-233
Lake Oroville	3,440,276	3,384,884	1,823,555	2,051,206	1,823,555	-70,523
Lake Del Valle	39,914	40,418	28,778	36,241	32,618	-1,054
San Luis Reservoir Total	2,027,835	1,815,496	1,137,206	830,084	1,385,186	52,832
DWR	1,062,180	1,063,619	614,873	552,682	921,050	37,168
USBR	965,655	784,781	390,989	277,402	464,136	15,664
Pyramid Lake	169,901	169,192	150,446	162,528	163,778	-252
Castaic Lake	319,247	309,274	248,811	254,796	308,470	3,141
Silverwood Lake	74,970	72,705	49,526	67,371	71,026	850
Lake Perris	132,614	124,647	107,043	96,822	123,578	2,374
Total (4)	5,401,512	5,328,555	3,153,715	3,329,605	3,574,758	-29,566

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 09/13 from 1979 through 2026.
(3): Since 09-06-2026.
(4): Does not include USBR San Luis Reservoir storage.