# Lake Oroville water level Live reservoir storage and water level in Feather-Sacramento basin, California _Data through Jul 25, 2026 · source last checked Jul 26, 2026 · page revised Jul 26, 2026_ > Now 2.63M af, 6% below the 5-yr median, 77% of capacity. Lake Oroville storage fell to 2.63M af, down 4.4% on the week and 16.4% over the month. The level sits 6% below the 5-year median and is at 77% of capacity. ## The numbers | Period | Current | Prior | Change | | --- | --- | --- | --- | | Week over week | 2.63M af | 2.75M af | -4.4% | | Month over month | 2.63M af | 3.15M af | -16.4% | | Year over year | 2.63M af | 2.81M af | -6.4% | | vs 5-yr median | 2.63M af | 2.81M af | -6.4% | ## About Lake Oroville Oroville Dam holds back the Feather River as the headwaters storage of California's State Water Project, operated by the Department of Water Resources rather than a federal agency. At 770 feet it is the tallest dam in the United States, behind the state's second-largest reservoir at more than 3.5 million acre-feet. DWR runs it for supply, hydropower, and winter flood control. Total capacity is 3.42M af, over the past five years storage has ranged from 787,578 af to 3.54M af. ## About this data - Source: US Bureau of Reclamation RISE; California reservoirs via CA DWR CDEC - Series: End-of-day reservoir storage - Geography: Lake Oroville water level - Unit: acre-feet - Calculation period: Daily reading - Last observation: Jul 25, 2026 - Update frequency: Daily --- Cite: Lake Oroville water level is 6% below its 5-yr median for the date. The Waterline, data through Jul 25, 2026. https://the-waterline.com/reservoir/lake-oroville Canonical URL: https://the-waterline.com/reservoir/lake-oroville