Lake Powell storage

Name: Lake Powell storage
Creator: The Watershed
Keywords: Lake Powell, reservoir storage, Colorado (Upper), Arizona / Utah, acre-feet

Reservoir storage in Colorado (Upper) basin, Arizona / Utah

Last updated Jun 18, 2026

Now 5.70M af, 33% below the 5-yr median.

The numbers
Period	Current	Prior	Change
Week over week	5.70M af	5.71M af	-0.2%
Month over month	5.70M af	5.67M af	+0.5%
Year over year	5.70M af	7.91M af	-28.0%
vs 5-yr median	5.70M af	8.45M af	-32.6%

From the brief

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