Pilot Project Alternatives FRANKS TRACT San Joaquin River False
River Old R i v e r Sacramento River Operable Gates in Three Mile
Slough Alt #1 Operable Gates in Old River Operable Gates in Holland
Cut Operable Gates in False River Operable Gates in Sand Mound
Slough San Joaquin River Operable Gates in False River Alt #2 Alt
#3 Alt #2 Alt #4 Three Mile Sl. Slide 2 FRANKS TRACT San Joaquin
River False River Old R i v e r Sacramento River Alt #1 San Joaquin
River Operable Gates in False River Three Mile Sl. Operation
Scenarios Closed 20% Open Open/Close West False River Alternative
Slide 3 Base False River Restriction 20% Open False River Gate
Open/Close Operation False River Gate Closed Year 2002 - Tidally
Averaged EC SWP Slide 4 Year 2002 - Tidally Averaged EC CVP Base
False River Gate Three Mile Slough Gate Slide 5 Year 2002 - Tidally
Averaged EC CCWD at Old River Base False River Gate Three Mile
Slough Gate Slide 6 Year 2002 - Tidally Averaged EC CCWD at Rock
Slough Base False River Gate Three Mile Slough Gate Slide 7 Year
2002 - Tidally Averaged EC CCWD at Victoria Canal Base False River
Gate Three Mile Slough Gate Slide 8 Year 2002 14-Day Average EC
Sacrament River @ Emmaton Base False River Gate Three Mile Slough
Gate Slide 9 West False River, Tidally Average EC, Sept 1, 2002
Base Open/Close Gate Closed 20% Open Slide 10 Year 2001 - Tidally
Averaged EC SWP Base False River Gate Three Mile Slough Gate Slide
11 Year 2001 - Tidally Averaged EC CVP Base False River Gate Three
Mile Slough Gate Slide 12 Year 2001 - Tidally Averaged EC CCWD at
Old River Base False River Gate Three Mile Slough Gate Slide 13
Year 2001 - Tidally Averaged EC CCWD at Victoria Canal Base False
River Gate Three Mile Slough Gate Slide 14 Year 2001 - Tidally
Averaged EC CCWD at Rock Slough Base False River Gate Three Mile
Slough Gate Slide 15 Year 2001 - Tidally Averaged EC SWP 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. Slide 16 Year 2001
14-Day Average EC Sacrament River @ Emmaton Base False River Gate
Three Mile Slough Gate Slide 17 Year 1994 - Tidally Averaged EC SWP
Base False River Gate Three Mile Slough Gate Slide 18 Year 1994 -
Tidally Averaged EC CVP Base False River Gate Three Mile Slough
Gate Slide 19 Year 1994 - Tidally Averaged EC CCWD at Old River
Base False River Gate Three Mile Slough Gate Slide 20 Year 1994 -
Tidally Averaged EC CCWD at Victoria Canal Base False River Gate
Three Mile Slough Gate Slide 21 Year 1994 14-Day Average EC
Sacrament River @ Emmaton Base False River Gate Three Mile Slough
Gate Slide 22 Three Mile Slough Gate and West False River Gate 1992
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. (Dont 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). Slide 23 Three Mile Slough Gate and West
False River Gate 1992 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. Slide 24 Year 1992 - Tidally
Averaged EC SWP Base False River Gate Slide 25 Year 1992 - Tidally
Averaged EC CVP Base False River Gate Slide 26 Year 1992 - Tidally
Averaged EC CCWD at Old River Base False River Gate Slide 27 Year
1992 - Tidally Averaged EC CCWD at Victoria Canal Base False River
Gate Slide 28 Year 1992 - Tidally Averaged EC CCWD at Rock Slough
Base False River Gate Slide 29 Year 1992 14-Day Average EC
Sacrament River @ Emmaton Base False River Gate Slide 30 Year 1991
- Tidally Averaged EC SWP Base Three Mile Slough Gate 1000 cfs
diversion False River Gate 20 % Open Slide 31 FRANKS TRACT San
Joaquin River False River Old R i v e r Sacramento River Operable
Gates in False River Operable Gates in Sand Mound Slough San
Joaquin River Alt #2 Three Mile Sl. Operation Scenarios 1.Closed
2.False River Gate Open on Ebb Tide East Levee + 2 Gates
Alternative Slide 32 2002 Tidally Averaged EC SWP Base East Levee
Open on Ebb East Levee Closed Slide 33 BaseClosed Open on Ebb East
Levee + 2 Gates, Tidally Average EC, Sept 1, 2002 Slide 34 FRANKS
TRACT San Joaquin River False River Old R i v e r Sacramento River
Operable Gates in Old River Operable Gates in Holland Cut San
Joaquin River Alt #3 Three Mile Sl. Operation Scenario 1.Closed
2.Open Gates on Holland Cut during Ebb Tides COX: Holland Cut + Old
River Gate Alternative Slide 35 2002 Tidally Averaged EC SWP Base
Cox Alternative Open on Ebb Cox Alternative Closed Slide 36
BaseClosed Open on Ebb COX, Tidally Average EC, Sept 1, 2002 Slide
37 Three Miles Slough Alternative FRANKS TRACT San Joaquin River
False River Old R i v e r Sacramento River Operable Gates in Three
Mile Slough San Joaquin River Three Mile Sl. Operation: Close
during Portion of Ebb Tide Slide 38 Three Mile Slough Gate Variable
Diversion for 2002 (daily average diversion in cfs from Sacramento
to San-Joaquin) June1500 July3000 August3000 September 1-202500
September 21-30 500 October 1-15 500 October 16-311000 November
1-10 1000 November 11-30 2000 December 1-15 2000 December 16-31 0
Slide 39 Three Mile Slough Gate Closure CLOSED OPEN CLOSED OPEN
CLOSED OPEN 4 - 6 hrs Slide 40 Base False River Gate Three Mile
Slough Gate One Gate Open DCC Operation One Gate Open 2002 Tidally
Averaged EC SWP Period of Operation Both Gates Open Slide 41 Year
2002 - Tidally Averaged EC CVP Base False River Gate Three Mile
Slough Gate Slide 42 Year 2002 - Tidally Averaged EC CCWD at Old
River Base False River Gate Three Mile Slough Gate Slide 43 Year
2002 - Tidally Averaged EC CCWD at Rock Slough Base False River
Gate Three Mile Slough Gate Slide 44 Year 2002 - Tidally Averaged
EC CCWD at Victoria Canal Base False River Gate Three Mile Slough
Gate Slide 45 Year 2002 14-Day Average EC Sacrament River @ Emmaton
Base False River Gate Three Mile Slough Gate Slide 46 Three Mile
Slough Gate Tidally Average EC Sept 1, 2002 Base Three Mile Slough
Gate Slide 47 Three Mile Slough Gate Variable Diversion for 2001
(daily average diversion from Sacramento to San-Joaquin) Slide 48
Year 2001 - Tidally Averaged EC SWP Base False River Gate Three
Mile Slough Gate Slide 49 Year 2001 - Tidally Averaged EC CVP Base
False River Gate Three Mile Slough Gate Slide 50 Year 2001 -
Tidally Averaged EC CCWD at Old River Base False River Gate Three
Mile Slough Gate Slide 51 Year 2001 - Tidally Averaged EC CCWD at
Victoria Canal Base False River Gate Three Mile Slough Gate Slide
52 Year 2001 - Tidally Averaged EC CCWD at Rock Slough Base False
River Gate Three Mile Slough Gate Slide 53 Year 2001 - Tidally
Averaged EC SWP 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. Slide 54 Year 2001 14-Day Average EC Sacrament River @
Emmaton Base False River Gate Three Mile Slough Gate Slide 55 Three
Mile Slough Gate Variable Diversion for 1994 (daily average
diversion from Sacramento to San-Joaquin) Slide 56 Year 1994 -
Tidally Averaged EC SWP Base False River Gate Three Mile Slough
Gate Slide 57 Year 1994 - Tidally Averaged EC CVP Base False River
Gate Three Mile Slough Gate Slide 58 Year 1994 - Tidally Averaged
EC CCWD at Old River Base False River Gate Three Mile Slough Gate
Slide 59 Year 1994 - Tidally Averaged EC CCWD at Victoria Canal
Base False River Gate Three Mile Slough Gate Slide 60 Year 1994
14-Day Average EC Sacrament River @ Emmaton Base False River Gate
Three Mile Slough Gate Slide 61 Year 1991 (Critical)-Tidally
Averaged EC, SWP Base Three Mile Slough Gate 1000 cfs diversion
False River Gate 20 % Open Slide 62 Operate Three Mile Slough Gate
in Lieu of Delta Cross Channel Gates Slide 63 DCC Closed Three Mile
Slough Gate Diversion for 2002 (daily average diversion from
Sacramento to San-Joaquin) Slide 64 Year 2002 - Tidally Averaged EC
SWP Base DCC Closed TMS Gate and DCC Closed Slide 65 Year 2002 -
Tidally Averaged EC CVP Base DCC Closed TMS Gate and DCC Closed
Slide 66 Year 2002 - Tidally Averaged EC Old River at Bacon Island
Base DCC Closed TMS Gate and DCC Closed Slide 67 Year 2002 -
Tidally Averaged EC CCWD at Old River Base DCC Closed TMS Gate and
DCC Closed Slide 68 Year 2002 - Tidally Averaged EC CCWD at
Victoria Canal Base DCC Closed TMS Gate and DCC Closed Slide 69
Year 2002 - Tidally Averaged EC CCWD at Rock Slough Base DCC Closed
TMS Gate and DCC Closed Slide 70 Preliminary Result Water Quality
Benefits during drought Slide 71 Three Mile Gate During Drought
Period Base-OCAP 3 Mile Gate Operated