Lake Oroville, CA

As of 2026-10-13, Lake Oroville sits at 743.45 ft, which is above average for this time of year. Over the past 30 days the level has fallen 31.07 ft.

The most recent reading at Lake Oroville is 743.45 ft (2026-10-13), sourced from the U.S. Army Corps of Engineers. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Lake Oroville in our records is 902.57 ft on 2017-02-12. The lowest is 628.62 ft on 2021-10-01. Our record covers about 13 years of readings.

Compared with every October in our records, the current level is higher than 63% of them, which we classify as above average for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Lake Oroville has fallen 31.07 ft over the past 30 days. For the operational reason on any given week, check the U.S. Army Corps of Engineers directly.

Lake Oroville is -37.85 ft compared with this date last year (743.45 ft today). The full-history chart above covers 13 years, with a record high of 902.57 ft and a record low of 628.62 ft.