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Pilot Project Alternatives. Operable Gates in Three Mile Slough. Three Mile Sl. Alt #4. San Joaquin River. Sacramento River. Operable Gates in False River. Alt #2. Operable Gates in False River. Alt #1. Old R i v e r. False River. Operable Gates in Old River. FRANKS TRACT.

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Pilot Project Alternatives


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    1. Pilot Project Alternatives Operable Gates in Three Mile Slough Three Mile Sl. Alt #4 San Joaquin River Sacramento River Operable Gates in False River Alt #2 Operable Gates in False River Alt #1 Old R i v e r False River Operable Gates in Old River FRANKS TRACT San Joaquin River Alt #3 Operable Gates in Sand Mound Slough Alt #2 Operable Gates in Holland Cut Alt #3

    2. West False River Alternative Three Mile Sl. San Joaquin River Sacramento River Operable Gates in False River Old R i v e r Alt #1 False River FRANKS TRACT San Joaquin River • Operation Scenarios • Closed • 20% Open • Open/Close

    3. Year 2002 - Tidally Averaged ECSWP Base False River Restriction – 20% Open False River Gate – Open/Close Operation False River Gate – Closed

    4. Year 2002 - Tidally Averaged ECCVP Base False River Gate Three Mile Slough Gate

    5. Year 2002 - Tidally Averaged ECCCWD at Old River Base False River Gate Three Mile Slough Gate

    6. Year 2002 - Tidally Averaged ECCCWD at Rock Slough Base False River Gate Three Mile Slough Gate

    7. Year 2002 - Tidally Averaged ECCCWD at Victoria Canal Base False River Gate Three Mile Slough Gate

    8. Year 2002 – 14-Day Average ECSacrament River @ Emmaton Base False River Gate Three Mile Slough Gate

    9. West False River, Tidally Average EC, Sept 1, 2002 Base Closed Open/Close Gate 20% Open

    10. Year 2001 - Tidally Averaged ECSWP Base False River Gate Three Mile Slough Gate

    11. Year 2001 - Tidally Averaged ECCVP Base False River Gate Three Mile Slough Gate

    12. Year 2001 - Tidally Averaged EC CCWD at Old River Base False River Gate Three Mile Slough Gate

    13. Year 2001 - Tidally Averaged EC CCWD at Victoria Canal Base False River Gate Three Mile Slough Gate

    14. Year 2001 - Tidally Averaged EC CCWD at Rock Slough Base False River Gate Three Mile Slough Gate

    15. Year 2001 - Tidally Averaged ECSWP Base False River Gate Three Mile Slough Gate The TMS Gate diversions were able to further reduce EC at the Clifton Court intake in December 2001, a time when SWP export flows were increased.

    16. Year 2001 – 14-Day Average ECSacrament River @ Emmaton Base False River Gate Three Mile Slough Gate

    17. Year 1994 - Tidally Averaged ECSWP Base False River Gate Three Mile Slough Gate

    18. Year 1994 - Tidally Averaged ECCVP Base False River Gate Three Mile Slough Gate

    19. Year 1994 - Tidally Averaged EC CCWD at Old River Base False River Gate Three Mile Slough Gate

    20. Year 1994 - Tidally Averaged EC CCWD at Victoria Canal Base False River Gate Three Mile Slough Gate

    21. Year 1994 – 14-Day Average ECSacrament River @ Emmaton Base False River Gate Three Mile Slough Gate

    22. Three Mile Slough Gateand West False River Gate1992 Simulations • West False River gate operation begins May 1, 1992 - About the time when EC for the SJR near Jersey Point begins to rise above Franks Tract EC • FRG operation ends Dec 7, 1992 when central Delta begins to be flushed with fresher water from the Mokelume system. (Don’t want the gate to impede the flushing of the central Delta) • TMS gate was not operated. There was not the opportunity to balance the Emmaton and Jersey Point flows (net flow for the SJR at Jersey Point most always greater than the net flow for the Sacrameto R. at Emmaton).

    23. Three Mile Slough Gateand West False River Gate1992 Simulations • The West False River gate raises EC at Emmaton a slight amount. Historically the DCC was closed a few times in late May and early June 1992 to meet Emmaton standards. The DCC may require some additional closure with the FRG operation to maintain the Emmaton EC.

    24. Year 1992 - Tidally Averaged ECSWP Base False River Gate

    25. Year 1992 - Tidally Averaged ECCVP Base False River Gate

    26. Year 1992 - Tidally Averaged EC CCWD at Old River Base False River Gate

    27. Year 1992 - Tidally Averaged EC CCWD at Victoria Canal Base False River Gate

    28. Year 1992 - Tidally Averaged EC CCWD at Rock Slough Base False River Gate

    29. Year 1992 – 14-Day Average ECSacrament River @ Emmaton Base False River Gate

    30. Year 1991 - Tidally Averaged ECSWP Base Three Mile Slough Gate – 1000 cfs diversion False River Gate – 20 % Open

    31. East Levee + 2 Gates Alternative Three Mile Sl. San Joaquin River Sacramento River Operable Gates in False River • Operation Scenarios • Closed • False River Gate Open on Ebb Tide Alt #2 Old R i v e r False River FRANKS TRACT San Joaquin River Operable Gates in Sand Mound Slough Alt #2

    32. 2002 Tidally Averaged ECSWP Base East Levee – Open on Ebb East Levee – Closed

    33. East Levee + 2 Gates, Tidally Average EC, Sept 1, 2002 Base Closed Open on Ebb

    34. COX: Holland Cut + Old River Gate Alternative Three Mile Sl. San Joaquin River Sacramento River • Operation Scenario • Closed • Open Gates on Holland Cut during Ebb Tides Old R i v e r False River Operable Gates in Old River FRANKS TRACT San Joaquin River Alt #3 Operable Gates in Holland Cut Alt #3

    35. 2002 Tidally Averaged ECSWP Base Cox Alternative – Open on Ebb Cox Alternative – Closed

    36. COX, Tidally Average EC, Sept 1, 2002 Base Closed Open on Ebb

    37. Three Miles Slough Alternative Operable Gates in Three Mile Slough Three Mile Sl. Sacramento River San Joaquin River Operation: Close during Portion of Ebb Tide Old R i v e r False River FRANKS TRACT San Joaquin River

    38. Three Mile Slough GateVariable Diversion for 2002(daily average diversion in cfs from Sacramento to San-Joaquin) June 1500 July 3000 August 3000 September 1-20 2500 September 21-30 500 October 1-15 500 October 16-31 1000 November 1-10 1000 November 11-30 2000 December 1-15 2000 December 16-31 0

    39. Three Mile Slough Gate Closure CLOSED OPEN OPEN CLOSED OPEN CLOSED 4 - 6 hrs 4 - 6 hrs

    40. 2002 Tidally Averaged ECSWP Base False River Gate Three Mile Slough Gate Period of Operation DCC Operation One Gate Open Both Gates Open One Gate Open

    41. Year 2002 - Tidally Averaged ECCVP Base False River Gate Three Mile Slough Gate

    42. Year 2002 - Tidally Averaged ECCCWD at Old River Base False River Gate Three Mile Slough Gate

    43. Year 2002 - Tidally Averaged ECCCWD at Rock Slough Base False River Gate Three Mile Slough Gate

    44. Year 2002 - Tidally Averaged ECCCWD at Victoria Canal Base False River Gate Three Mile Slough Gate

    45. Year 2002 – 14-Day Average ECSacrament River @ Emmaton Base False River Gate Three Mile Slough Gate

    46. Three Mile Slough GateTidally Average ECSept 1, 2002 Three Mile Slough Gate Base

    47. Three Mile Slough GateVariable Diversion for 2001 (daily average diversion from Sacramento to San-Joaquin)

    48. Year 2001 - Tidally Averaged ECSWP Base False River Gate Three Mile Slough Gate

    49. Year 2001 - Tidally Averaged ECCVP Base False River Gate Three Mile Slough Gate

    50. Year 2001 - Tidally Averaged EC CCWD at Old River Base False River Gate Three Mile Slough Gate