The model run results cover the period May 13 through June 2 and are based on the following assumptions:

Common Assumptions

1.CCFB Gates are operating to Priority 1.

2. The Delta Cross Channel gates are closed.

3. Suisun Marsh Salinity Control flashboards are in. All three gates are in the open position starting March 24.

4. San Joaquin River flow at Vernalis is at 2284 cfs at the beginning of the forecast period and is estimated to decrease to 1500 cfs by the end of the forecast period.

5. San Joaquin River EC at Vernalis is at 275 umhos/cm at the beginning of the forecast period and is estimated to increase to 348 umhos/cm at the end of the forecast period.

6. Sacramento River flow at Freeport is at 18710 cfs at the beginning of the forecast period and is expected to decrease to 17800 cfs by the end of the forecast period.

7. CCFB inflow is at 598 cfs at the beginning of the forecast period and is expected to increase to 600 cfs by the end of the forecast period.

8. Export at Jones Pumping Plant is at 906 cfs at the beginning of the forecast period and is expected to increase to 3500 cfs to the end the forecast period.

9. The Middle River barrier is scheduled to be closed on May 9, all 6 flap gates will start tidal operation on June 2.

10.The Old River near Tracy barrier is scheduled to be closed on May 26, all 9 flap gates will start tidal operation on June 2.