Under the new requirements, water districts would have to reduce their historic diversions from three salmon-bearing rivers, the Stanislaus, Tuolumne and Merced. Average flows on the three tributaries of the San Joaquin River now range from 21% to 40% of what they would be without dams and diversions. At times the river beds hold as little as 10% of the natural flow.

Source: Los Angeles Times December 13, 2018 05:03 UTC