OC Flood Santa Ana River Project(SARP)

Project Description

The Santa Ana River Mainstem Project is located along a 75-mile reach of the Santa Ana River in Orange, Riverside and San Bernardino counties. The plan for flood control improvements includes three principal features:

• Lower river channel modification for flood control along the 30.5 miles of the Santa Ana River from Prado Dam to the Pacific Ocean.
  
  
• Construction of Seven Oaks Dam (about 3.5 miles upstream of the existing Prado Dam) with a gross reservoir storage of 145,600 acre-feet.
  
  
• Enlargement of Prado Dam to increase reservoir storage capacity from 217,000 acre-feet to 362,000 acre-feet.