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Basins

Sacramento basin

Reservoir storage across California

Last updated Jun 18, 2026

Sacramento basin storage — acre-feet

2 tracked reservoirs holding 4M af combined.

The numbers
Reservoir	Storage	As of
Shasta Lake	3.76M af	Jun 16, 2026
Whiskeytown Lake	238,311 af	Jun 16, 2026

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The Watershed reports public data from the US Bureau of Reclamation, USGS, the US Drought Monitor, and state water agencies. It is not investment, legal, or water-rights advice. Allocations and drought classes are reported as published by their agencies; we do not forecast them.

© 2026 The Watershed. Public data, plainly read.