The Waterline Western water, weekly

Reservoirs

Below normal

Shasta Lake storage

Reservoir storage in Sacramento basin, California

Last updated Jul 8, 2026

Shasta Lake storage
acre-feet

Now 3.45M af, 6% below the 5-yr median.

Shasta Lake Storage — Reservoir

Shasta Lake storage stands at 3.45M acre-feet as of July 7, 2026, placing it 6% below the 5-year median. Storage levels are tracking below historical norms across all recent timeframes.

Recent Trends

  • Week over week: Down 3.0% (from 3.56M af)
  • Month over month: Down 10.7% (from 3.87M af)
  • Year over year: Down 5.9% (from 3.67M af)
  • vs 5-year median: Down 5.9%

Storage has declined steadily over the past month, with the steepest drop occurring month-over-month. The year-over-year decline and below-median positioning suggest sustained low-water conditions in the Sacramento Basin reservoir system heading into summer.