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California Water Supply Overview Robert Shibatani CEO & Consulting Hydrologist The SHIBATANI GROUP, Inc. Water Supply and Drought and the Challenges It Creates. Precipitation and the CVP/SWP. Annual Water Balance. Water Allocation - Conveyance.

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Water Supply and Drought and the Challenges It Creates

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Water supply and drought and the challenges it creates

California Water Supply Overview

Robert Shibatani

CEO & Consulting Hydrologist

The SHIBATANI GROUP, Inc.

Water Supply and Drought and the Challenges It Creates


Precipitation and the cvp swp

Precipitation and the CVP/SWP


Annual water balance

Annual Water Balance


Water allocation conveyance

Water Allocation - Conveyance

  • Hydrological perspective – California is not water short

  • Allocation and Conveyance

  • Managing within existing infrastructure

  • Managing within existing environmental constraints


200 9 reservoir storage status

2009 Reservoir Storage Status


2009 reservoir release status

2009 Reservoir Release Status


2009 precipitation status

2009 Precipitation Status


Where are we today fisheries

Where are we today- Fisheries?

ANADROMOUS FISH

Smelt/striped Bass


Where are we today water quality

Where are we today – Water Quality?


Where are we today coldwater pool

Where are we today – Coldwater Pool?


Where are we today delta

Where are we today - Delta?

  • CVP-OCAP uncertainty

  • RPAs on both DOI/DOC BiOps

    • Salvage monitoring at the pumps

    • OMR flow monitoring

  • Pending Judge O. Wanger Decisions

  • Ongoing BDCP

  • FLOODSafe


Changing rules for cvp swp and delta operations

Changing Rules for CVP/SWP and Delta Operations

Long-term threats?

  • Reduced Exports

  • Increasingly stringent In-Delta WQ standards

  • Standard Term 91

  • Federal Shortage Policy changes (M&I and Ag)

  • Accommodations for flood control

  • Climate change effects

  • What does it all mean to water purveyors?


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