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Franks Tract Project

Franks Tract Project. Ajay Goyal Department of Water Resources August 9, 2007. Project Objective. To improve the water quality of export water and possibly benefit fisheries. Franks Tract Project - Alternatives. Three Mile Slough West False River. West False River Alternative.

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Franks Tract Project

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  1. Franks Tract Project Ajay Goyal Department of Water Resources August 9, 2007

  2. Project Objective To improve the water quality of export water and possibly benefit fisheries

  3. Franks Tract Project - Alternatives • Three Mile Slough • West False River

  4. West False River Alternative Three Mile Sl. Sacramento River San Joaquin River Operable Gates Old R i v e r False River FRANKS TRACT San Joaquin River

  5. Three Miles Slough Alternative Operable Gates Sacramento River San Joaquin River Three Mile Sl. Old R i v e r False River FRANKS TRACT San Joaquin River

  6. Three Miles Slough Alternative Three Mile Sl. Sacramento River San Joaquin River FLOOD TIDE Old R i v e r False River FRANKS TRACT San Joaquin River

  7. Three Miles Slough Alternative Three Mile Sl. Sacramento River San Joaquin River EBB TIDE Old R i v e r False River FRANKS TRACT San Joaquin River

  8. Three Miles Slough Alternative Three Mile Sl. Sacramento River San Joaquin River NET FLOW Old R i v e r False River FRANKS TRACT San Joaquin River

  9. Three Miles Slough Alternative Three Mile Sl. Sacramento River San Joaquin River NET FLOW EXPORTS FLOWS Old R i v e r False River FRANKS TRACT San Joaquin River

  10. Three Miles Slough Alternative Three Mile Sl. Sacramento River San Joaquin River Close on EBB Tide Old R i v e r False River FRANKS TRACT San Joaquin River

  11. Obermeyer Gates

  12. Obermeyer Gate - Cross Section GATE PANEL IN RAISED POSITION GATE PANEL IN LOWERED POSITION

  13. Three Mile Slough -CLOSED During Portion of Ebb Tide Base Condition

  14. Base Condition Three Mile Slough- CLOSED

  15. Particle Tracking SummaryJune 19963000 Particles Released - Near Rio Vista CVP - Base SWP - Base CVP - TMS Gate Closed SWP - TMS Gate Closed Net Daily Average Flow Diversion = 3000 cfs for July

  16. Possible Operations of Three Mile Slough Gate • Closed during portion of ebb tide • Benefit Fisheries • Improve WQ • Can be used in lieu of DCC gates • Complete closure for some time • Benefit Fisheries • Degrade WQ • Closed on Portion of Flood Tide • ???

  17. Important Points • Strategically located between Sacramento River and San Joaquin River • Capability to move net flows INWARD or OUTWARDS • Three Mile Slough much smaller than Sacramento River • Sacramento River - 2500 ft wide • Three Mile Slough - 550 ft wide

  18. Discussion Ajay Goyal 916-651-9823 agoyal@water.ca.gov

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