Model Assumptions 7/7/2015 to 7/27/2015

1. CCFB Gates are operating to Priority 1 as of May 1.
2. The Delta Cross Channel gates have remained open since June 26, and are anticipated to remain open throughout the forecast period.  
3. The Middle River ag. barrier was installed on March 31, with all 6 culvert flap-gates tied open. As of April 3, all six flap-gates are being tidally operated, and barrier was raised one foot on June 4. 
4. The Old River at Tracy ag. barrier was installed on April 3, with all 9 flap-gates tidally operated. 
5. The Grant Line Canal ag. barrier was partially installed on April 17, with all 6 culvert flap-gates tied open. The barrier was fully closed with all 6 culvert flap-gates tidally operating beginning on June 18.
6. The West False River drought barrier was installed on May 28. 
7.  The three Suisun Marsh salinity control gates tidal operation was changed to open position, the flashboards were removed, and the boat lock was closed on June 2. 
8.  San Joaquin River flow at Vernalis is at 140 cfs at the beginning of the forecast period and is projected to stay at about 120 cfs through the forecast period.  
9. San Joaquin River EC at Vernalis is projected to increase from 740 umhos/cm at the beginning of the forecast period to 792 umhos/cm by the end of forecast period.
10. Export at Jones Pumping Plant is at 300 cfs throughout the forecast period.

With Transfers (Base Case, A) Assumptions

11.  Sacramento River flow at Freeport is at 7,317 cfs at the beginning of the forecast period and increases to 7,789 cfs by the end of the forecast period.
12. CCFB intake is at 250 cfs cfs throughout the forecast period.

Without Transfers (B) Assumptions

11.  Sacramento River flow at Freeport is at 7,317 cfs at the beginning of the forecast period and increases to 7,350 cfs by the end of the forecast period.
12. CCFB allotment is zero throughout the forecast period.