1. SWP/CVP Operations for Delta Salinity Management John Leahigh Principal Engineer State Water Project Water Operations California Department of Water Resources July 25, 2014

2. Fundamental Water Project Operations What are the Delta Salinity Standards? How do the Projects Manage Salinity? Unique Challenges this Year and Next

3. Store Water Release Storage Summer Flow FallSpringWinter Project Reservoir Operation

4. 4 Salinity Intrusion Before and After Managed Upstream Reservoirs After (1944 –1990) Before (1920 –1943)

5. D-1641 Bay-Delta Standards Locations

6. 6

7. The Projects have 3 “knobs” to turn 1) Releases 2) DCC Gate 3) Exports

8. Daily Tidal Cycle

9. Flow of Flood and Ebb Tides (cfs) 340,000330,000 80,000 71,000 58,000 47,000 2,000 1,000

10. Overlay of Monthly Spring/Neap Cycle

11. Travel Times Present a Challenge

12. Delta Lake Shasta Lake Oroville Folsom Lake Outflow CVP/SWP Coordinated Operations Agreement (COA) BanksJones

13. DCC Gate Trade-Offs: DCC Gate Operations May Conflict with Fish Migration

14. January 2014

15. Emergency Drought Barriers Sutter Slough Steamboat Slough West False River

16. Clifton Court Forebay Electrical Conductivity Dec. 2013 – May 2014 Sacramento River at Verona Flow