Canyon Ferry Lake storage

Name: Canyon Ferry Lake storage
Creator: The Watershed
Keywords: Canyon Ferry Lake, reservoir storage, Missouri, Montana, acre-feet

Reservoir storage in Missouri basin, Montana

Last updated Jun 18, 2026

Now 1.66M af, 7% below the 5-yr median.

The numbers
Period	Current	Prior	Change
Week over week	1.66M af	1.65M af	+0.4%
Month over month	1.66M af	1.57M af	+5.6%
Year over year	1.66M af	1.78M af	-6.8%
vs 5-yr median	1.66M af	1.78M af	-6.8%

From the brief

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