The model run results cover the period May 3, through May 23, and are based on the following assumptions:

Common Assumptions

1. CCFB Gates are operating to Priority 3 throughout the forecast period.
2. The Delta Cross Channel gates will be closed throughout the forecast period.  
3.  Suisun Marsh salinity control flashboards are in, and the three Suisun Marsh Salinity Control Gates are in open position.
4. The Middle River ag. barrier was installed on March 9, 2016 with all 6 culvert flap-gates tied open. As of April 1 all 6 flap-gates are tidally operated. 
5. The Old River at Tracy ag. barrier was installed on March 25, 2016 with all 9 flap-gates tied open, As of April 1 all 9 flap-gates are tidally operated. 
6.  The Spring Head of Old River barrier was installed on April 1, 2016 with all 8 culvert slide-gates opened.
7. The Grant Line Canal ag. barrier was partially installed on April 15, 2016 with all 6 culvert flap-gates tied open.
8.  San Joaquin River flow at Vernalis is 2,517 cfs at the beginning of the forecast period and decreases to 915 cfs by the end of the forecast period. The higher flow during the earlier part of the forecast period is due to the fishery spring pulse flow. 
9. San Joaquin River EC at Vernalis increases from 410 umhos/cm at the beginning of the forecast period to 590 umhos/cm by the end of forecast period.
10.  Sacramento River flow at Freeport is at 9,760 cfs at the beginning of the forecast period and increases to 14,645 cfs by the end of the forecast period. 
11. CCFB is at 1,000 cfs at the beginning of the forecast period and increases to 1,600 cfs by the end of the forecast period. 
12. Export at Jones Pumping Plant is at about 1,600 cfs at the beginning of the forecast period and decreases to 1,000 cfs by the end of the forecast period.