Facilities.  

   - Project was designed and constructed by California Department of Water Resources. 

   - Construction began in 1959 and concluded in 1967 (a total of 16 contracts).    

   - Designed for 50-year flood frequency protection.    

   - 191.4 miles of project levees and the channels they protect.    

   - 108 miles of river channel incorporated into project.    

Control structures.    

   - Chowchilla Canal Bypass (four bays - all with automated radial gates).

   - San Joaquin River (four bays - all with automated radial gates).

   - Mariposa Bypass (14 bays - eight with automated radial gates).

   - Eastside Bypass (six bays - all with automated radial gates).    

   - San Joaquin River Structure (four 6 'x 5' culverts with manual slide gates). 

Other structures.

   - Ash Slough drop structures (four - erosion control).

   - Chowchilla Canal Bypass drop structures (two - erosion control). 

   - Drain pipes with flapgates through levees (328 count for local drainage into system). 

Channel rated capacities.    

   - San Joaquin River is rated at multiple channel capacities with 3-foot freeboard design.    

   - Bypass channels are rated at multiple channel capacities with 4-foot freeboard design.