From The AGNET West – The plan to raise Shasta Dam three percent will increase storage capacity by more than 200 billion gallons, enough to support more than six million Californians annually. Shasta Dam is the most critical piece of water infrastructure that supports the Central Valley Project (CVP).  Water from Shasta Lake is transported 450 miles south through the CVP providing water to nearly six million people and more than three million acres of farmland. (more).