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Upper San Joaquin River Basin Storage Investigation ACWA Regions 9 and 10 Carlsbad Water Summit

U.S . Department of the Interior Bureau of Reclamation. State of California Department of Water Resources. Upper San Joaquin River Basin Storage Investigation ACWA Regions 9 and 10 Carlsbad Water Summit. Don Rasmussen. September 13 , 2007. Outline. Planning Objectives

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Upper San Joaquin River Basin Storage Investigation ACWA Regions 9 and 10 Carlsbad Water Summit

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  1. U.S. Department of the Interior Bureau of Reclamation State of California Department of Water Resources Upper San Joaquin River Basin Storage Investigation ACWA Regions 9 and 10 Carlsbad Water Summit Don Rasmussen September13, 2007

  2. Outline • Planning Objectives • Potential Benefits • Feasibility Status and Project Alternatives • Estimated Costs and Example Cost Allocation • Evaluating Project Operations • How SOD Can Help California • Next Steps

  3. Planning Objectives • Primary Objectives – Develop and Manage Water Supply to: • Contribute to restoration of the San Joaquin River • Improve water quality of the San Joaquin River • Facilitate conjunctive water management and exchanges that improve urban water quality • Secondary Objectives • Increase control of flood flows at Friant Dam • Improve water supply for environmental protection • Develop hydropower generation opportunities • Develop recreation opportunities

  4. Potential Benefits • San Joaquin River Restoration Enhancement • Agricultural Water Supply Reliability • M&I Water Supply Reliability • M&I Water Quality • Hydropower • Flood Damage Reduction • Reservoir Recreation

  5. Feasibility Study Phases Initial Alternatives Plan Formulation Feasibility Study

  6. Initial Alternatives Phase • Reviewed 24 Reservoir Sites • Reservoir enlargement • On-stream • Off-stream / Off-canal • Details Considered • Water supply • Environmental effects • Hydropower • Costs • Retained 4 Reservoir Sites • Enlarged Millerton Lake • Fine Gold Reservoir • Temperance Flat RM 274 • Temperance Flat RM 279

  7. Retained Alternatives • Fine Gold Reservoir • Temperance Flat RM 274 • Temperance Flat RM 279

  8. Fine Gold Reservoir • Storage capacity 780 TAF, H = 600 Ft • Pump storage with Millerton Res. • Reservoir surface area 5,400 acres • Saddle dam required • Power use exceeds generation

  9. Temperance Flat RM 274 Reservoir • Storage capacity 1,260 TAF • Dam height 640 feet • Reservoir surface area 5,700 acres • Extends upstream to Kerckhoff Dam • Power losses exceed generation

  10. Temperance Flat RM 279 Reservoir • Storage capacity 690 TAF • Dam height 545 feet • Reservoir surface area 3,500 acres • Extends upstream to Kerckhoff Dam • Full power recovery is possible

  11. Feasibility Phase • Refine and Compare Alternatives • Structural features and operating plan • Complete feasibility-level designs and cost estimates • Environmental effects • Benefit/cost analysis • Prepare Feasibility Report and Environmental Compliance Documents (EIS/EIR) • Identify Preferred Alternative • Address Implementation Issues • Obtain financial commitment from partner(s)

  12. Estimated Cost and Example Cost Allocation

  13. Wanger Ruling Isolated Conveyance Climate Change SJR Settlement Evaluating Project Operations “a moving target”

  14. San Luis Reservoir Los Vaqueros Expansion Temperance Flat Los Banos Grande Potential Cross Valley Conveyance How SOD Storage can Benefit CA Madera Canal Friant-Kern Canal

  15. How SOD Storage Can Benefit California • The operational flexibility of SOD surface storage can produce benefits for supply, quality and the ecosystem while reducing stressors in the Delta • TF and LVE can both serve SWP Contractors by helping improve or at least retain SWP supply reliability • Can integrate FWUA service area with the SWP and CVP • Can work conjunctively with groundwater and improve the efficiency of other water management measures (transfers, exchanges, timing dependent actions) • Provide water supply in drought periods– when the benefits of conservation can lose their effectiveness

  16. Next Steps A revised schedule is being developed in light of: • San Joaquin River Settlement Agreement • Integration Opportunities • Wanger Decision, Climate Change, Delta Conveyance • Objective: Get Feasibility Study Report Done ASAP!

  17. Erika Kegel Project Manager Bureau of Reclamation 2800 Cottage Way Sacramento CA 95825 916-978-5081 ekegel@mp.usbr.gov Don Rasmussen Project Manager Department of Water Resources 1416 Ninth Street Sacramento CA 95814 916-651-9244 donr@water.ca.gov For Additional Information Contact Project Websites: www.usbr.gov/mp/sccao/storage/index.html www.storage.water.ca.gov/upsanj/index.cfm

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