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Purpose In-Delta Storage as a component of the State and Federal System (Public Ownership)

Operations Overview. Purpose In-Delta Storage as a component of the State and Federal System (Public Ownership) Meet Delta Standards Additional benefits for environmental purposes (EWA, CVPIA, ERP) No impact on drinking water quality Overall system operational flexibility.

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Purpose In-Delta Storage as a component of the State and Federal System (Public Ownership)

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  1. Operations Overview • Purpose • In-Delta Storage as a component of the State and Federal System (Public Ownership) • Meet Delta Standards • Additional benefits for environmental purposes (EWA, CVPIA, ERP) • No impact on drinking water quality • Overall system operational flexibility

  2. Operational Concept • Previous reverse flow operation changed with DFG Review • Fish Screen and other controls isolated with a transition pool • Fish Screen gravity flow isolated from pumping units • Reservoir supply and discharge at different levels • Three interchangeable stages; forebay, midbay; afterbay for flow transfer • Gravity inflows and outflows optimized with gated structures and pumping combinations • Required flow possible with smaller head differences

  3. Typical Integrated Facility Plan View

  4. Typical Integrated Facility 3D View Pumping Plant Gate Structure Bypass Channel Reservoir Trash Rack Fish Screen Sheet Pile Wall Release To River Diversion From River

  5. Typical Integrated Facility Profile View (Section AA) A 3-D Facility Configuration A

  6. Typical Integrated Facility Profile View (Section BB) B 3-D Facility Configuration B

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