The largest reservoir in the state—a critical source of water for human consumption and for the fertile farmland of the Central Valley—dropped to just 29 percent of its capacity by December 2015. Water levels stood more than 100 feet below normal.
Now, after a rain-soaked March, Shasta Lake holds 109 percent of its long-term average supply for this time of year.
As of March 29, the 21-mile long reservoir held 4.004 million acre-feet of water, well above the historical average of 3.668 million acre-feet. The amount of water in Shasta Lake has tripled since December, and the lake level has risen 134 feet.