Hungry Horse Reservoir storage

Name: Hungry Horse Reservoir storage
Creator: The Watershed
Keywords: Hungry Horse Reservoir, reservoir storage, Flathead-Columbia, Montana, acre-feet

Reservoir storage in Flathead-Columbia basin, Montana

Last updated Jun 18, 2026

Hungry Horse Reservoir storage — acre-feet

Now 3.43M af, 3% above the 5-yr median.

The numbers
Period	Current	Prior	Change
Week over week	3.43M af	3.40M af	+0.9%
Month over month	3.43M af	3.24M af	+5.8%
Year over year	3.43M af	3.33M af	+2.9%
vs 5-yr median	3.43M af	3.33M af	+2.9%

From the brief

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