Moses Lake, WA

As of 2026-10-13, Moses Lake sits at 1046.71 ft, which is about average for this time of year. Over the past 30 days the level has fallen 0.01 ft.

The most recent reading at Moses Lake is 1046.71 ft (2026-10-13), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Moses Lake in our records is 1047.25 ft on 1988-04-09. The lowest is 1040.69 ft on 2022-01-14. Our record covers about 52 years of readings.

Compared with every October in our records, the current level is higher than 42% of them, which we classify as about 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. Moses Lake has fallen 0.01 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.

Moses Lake is -0.05 ft compared with this date last year (1046.71 ft today). The full-history chart above covers 52 years, with a record high of 1047.25 ft and a record low of 1040.69 ft.