Success Lake, CA

As of 2026-10-13, Success Lake sits at 592.58 ft, which is above average for this time of year. Over the past 30 days the level has fallen 10.89 ft.

The most recent reading at Success Lake is 592.58 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 Success Lake in our records is 657.07 ft on 2023-03-16. The lowest is 574.67 ft on 2015-11-02. Our record covers about 35 years of readings.

Compared with every October in our records, the current level is higher than 72% 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. Success Lake has fallen 10.89 ft over the past 30 days. For the operational reason on any given week, check the U.S. Army Corps of Engineers directly.

Success Lake is -3.19 ft compared with this date last year (592.58 ft today). The full-history chart above covers 35 years, with a record high of 657.07 ft and a record low of 574.67 ft.