Basins

Colorado (Lower) basin

Name: Colorado (Lower) basin
Creator: The Watershed
Keywords: Colorado (Lower) basin, reservoir storage, river basin, Arizona / California / Nevada / Arizona

Reservoir storage across Arizona / California / Nevada / Arizona

Last updated Jun 18, 2026

Colorado (Lower) basin storage — acre-feet

3 tracked reservoirs holding 9.76M af combined.

The numbers
Reservoir	Storage	As of
Lake Mead	7.45M af	Jun 16, 2026
Lake Mohave	1.76M af	Jun 16, 2026
Lake Havasu	542,974 af	Jun 16, 2026

From the brief

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