The model run results cover the period October 30 through November 19 and are based on the following assumptions:

Common Assumptions

1. CCFB Gates are operating to Priority 2 for the forecast period
2. The Delta Cross Channel gates are open 100% for the entire forecast period.
3. Suisun Marsh salinity control flashboards are in and the salinity control gates are in tidal operation for the forecast period. 
4. The Middle River ag. Barrier is installed with all 6-culvert flap-gates operating tidally. The barrier will be breached by November 20.
5. The Old River at Tracy ag. barrier is installed with all 9 flap-gates operating tidally. The barrier will be breached by November 19.
6. The Grant Line Canal ag. barrier is installed all 6-culvert flap-gates operating tidally since June 21. The barrier will be breached by November 9.
7. Full closure of the Fall Head of Old River barrier was on Oct 4 with all sliding gates closed. The barrier will be breached by November 8.
8.  San Joaquin River flow at Vernalis is at 2472 cfs at the beginning of the forecast period and is estimated to decrease to 800 cfs by the end of the forecast period.
9. San Joaquin River EC at Vernalis is at 217 umhos/cm at the beginning of the forecast period and is estimated to increase to 441 umhos/cm at the end of the forecast period.
10.  Sacramento River flow at Freeport is at 8815 cfs at the beginning of the forecast period and is expected to decrease to 7550 cfs by the end of the forecast period.
11. CCFB is at 2796 cfs at the beginning of the forecast period and is expected to decrease to 1000 cfs by the end of the forecast period. 
12. Export at Jones Pumping Plant is at 3462 cfs at the beginning of the forecast period and is expected to decrease to 2000 cfs by the end forecast period. 


Ian Uecker, PE