Fort Peck Lake Water Level
Montana · Missouri River
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Water level history
About Fort Peck Lake
Fort Peck Lake is a reservoir on the Missouri River in Montana, operated by U.S. Army Corps of Engineers. Its dam is one of the largest hydraulically filled earth dams in the world. Its full summer pool sits at 2250 ft above sea level. Live water levels come from the U.S. Army Corps of Engineers (CWMS) and update hourly.
Understanding Fort Peck Lake's water level
"Full pool" is the elevation U.S. Army Corps of Engineers targets when Fort Peck Lake is completely filled — 2250 feet above sea level. Above that line the Corps deliberately keeps empty "flood storage" to absorb heavy rain, so the lake rarely sits far above 2250 ft for long. A reading a few feet under full is usually just the normal operating band rather than a sign of drought.
In a typical year the Corps keeps Fort Peck Lake lower over winter for flood storage and lets it fill for the summer recreation season. Levels can jump several feet after a single big storm and are drawn down again once the high water passes.
The recent high and low above are drawn from the published history available for Fort Peck Lake, so they show how today compares over that record rather than an all-time extreme. The 12-month and 5-year chart views make the trend and the lake's usual seasonal shape easy to see.
Fort Peck Lake — frequently asked
What is the current water level of Fort Peck Lake?
The gauge at the top of this page shows Fort Peck Lake's current elevation in feet above sea level, updated from the U.S. Army Corps of Engineers (CWMS).
What is full pool for Fort Peck Lake?
Fort Peck Lake's full summer pool is 2250 feet above sea level. Levels are typically drawn down below that in winter for flood storage.
Who manages Fort Peck Lake?
Fort Peck Lake is operated by U.S. Army Corps of Engineers on the Missouri River.
Where is Fort Peck Lake located?
Fort Peck Lake is in Montana, on the Missouri River.
Why is Fort Peck Lake low right now?
Reservoir levels fall during dry spells and seasonal drawdown — when U.S. Army Corps of Engineers lowers the pool for flood storage, power, or water supply — and recover after rain and snowmelt. The history chart above shows the recent trend.
What are the record high and low levels for Fort Peck Lake?
The recent record high and low elevations are shown in the stats on this page, computed from the available published history for Fort Peck Lake.
Other lakes near Fort Peck Lake
- Tiber Reservoir (Lake Elwell)MT
- Canyon Ferry LakeMT
- Bighorn LakeMT/WY
- Lake Francis CaseSD
- Lewis and Clark LakeSD/NE
- Lake OaheSD/ND
See current levels for all 4 Montana lakes and reservoirs →
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