Timestamp: 07-20-2026 07:01:06

STATE OF CALIFORNIA

DEPARTMENT OF WATER RESOURCES

THE RESOURCES AGENCY

DIVISION OF OPERATIONS AND MAINTENANCE

SUMMARY OF SWP RESERVOIR

07-13-2026 to 07-19-2026

All Values in (AF)

Oroville Complex	This Week Maximum Day	This Week Minimum Day	07-19-2026 Reading	Total for Week
Inflow To Lake Oroville	7,761	2,819	2,819	41,720
Total Releases from Hyatt Power Plant (Includes Pumpack)	25,205	19,645	22,432	160,436
River Valve Flow	0	0	0	0
Spill	0	0	0	0
Storage	2,834,385	2,732,221	2,732,221	-
Flood Control - Amount of Encroachment	0	0	0	-
Releases to Feather River (Sum of River Outlet and Diversion Dam Releases)	15,869	15,869	15,869	111,083
Releases to Feather River for Flood Control	-	-	-	-

Reservoir Storage	Operational Capacity	This Year Maximum Storage (1)	This Year Minimum Storage (1)	Average Storage (2)	07-19-2026 Reading	Net Change this Week (3)
Frenchman Lake	55,475	57,038	46,498	37,660	48,217	-829
Lake Davis	84,371	83,169	72,982	62,539	76,110	-725
Antelope Lake	22,564	23,609	19,328	20,636	20,453	-256
Lake Oroville	3,440,276	3,384,884	2,404,046	2,546,115	2,732,221	-121,427
Lake Del Valle	39,914	40,418	28,778	38,749	35,921	172
San Luis Reservoir Total	2,027,835	1,815,496	1,139,712	989,179	1,139,712	-13,503
DWR	1,062,180	1,063,619	614,873	601,353	706,238	39,945
USBR	965,655	784,781	433,474	387,826	433,474	-53,448
Pyramid Lake	169,901	169,025	150,446	162,859	163,363	-630
Castaic Lake	319,247	307,753	248,811	269,736	307,363	1,667
Silverwood Lake	74,970	72,686	49,526	68,579	72,609	230
Lake Perris	132,614	124,647	107,043	100,470	119,228	425
Total (4)	5,401,512	5,326,848	3,742,331	3,908,696	4,281,723	-81,428

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 07/19 from 1979 through 2026.
(3): Since 07-12-2026.
(4): Does not include USBR San Luis Reservoir storage.