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Bay Delta Portfolio Approach Alternative - Jan. 24, 2013
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Bay Delta Portfolio Approach Alternative - Jan. 24, 2013

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  • 1. Imported Water Committee January 24, 2013
  • 2.  The Water Authority has consistently supported a solution in the Bay Delta that achieves the coequal goals of improving water supply reliability and ecosystem restoration  The Water Authority provided crucial support to the effort in the Legislature to pass the 2009 Bay Delta bill package 2
  • 3.  The Board adopted Bay Delta policy principles in February 2012 and reiterated the principles in adopting the Legislative Policy Guidelines in November 2012  The principles include: ◦ Encourage a Bay Delta solution that promotes local water supply development ◦ Encourage a Bay Delta solution that is cost- effective when compared to other sources of water reliability 3
  • 4.  Require independent technical analysis of key elements of the Bay Delta solution, including real urban and agricultural demands for water  Support “right-sized” facilities to match firm commitments to pay  Continue to support the co-equal goals of water supply reliability and ecosystem restoration 4
  • 5.  Continue to support the co-equal goals of water supply reliability and ecosystem restoration  Support a deliberative process that is designed to ensure a meaningful dialog among the various stakeholders  Improve the ability of water users to divert more water in wet years, when impacts on the ecosystem are less 5
  • 6.  Encourage the development of a statewide water transfer market  Work with all stakeholders to ensure a meaningful dialog and that water supply and ecosystem restoration processes are conducted in an open and transparent manner  The current BDCP proposed project is not consistent with these principles 6
  • 7.  Natural Resources Defense Council contacted a variety of water agencies to seek support for an alternative solution for the Bay Delta ◦ A conceptual alternative to the current proposed project for the Bay-Delta Conservation Plan called the “Portfolio Approach” ◦ Portfolio Approach is designed to produce comparable or better reliability at a lower cost  Water Authority was a signatory, along with a group of water agencies, asking that the NRDC alternative be evaluated in the BDCP 7
  • 8.  Build a single-bore tunnel with a capacity of 3,000 cfs or more, with one intake ◦ If needed, more capacity could be added at a later date  Instead of $14 billion for the current proposed 9,000 cfs double-bore tunnel, estimated cost is $5 billion to $7 billion 8
  • 9.  Best available science  Protect listed species  “Big gulp, little sip” – Take more water in wet years and less water in dry years  Develop storage south of the Delta to increase reliability  Average projected yield: 4.0 to 4.3 million acre feet 9
  • 10.  Invest in local water supplies that will decrease reliance on the Delta by exporters  Savings in the cost of the conveyance project could be used to grow local supplies 10
  • 11.  Improve coordination among water agencies to maximize use of water on a regional scale  Integrated Regional Water Management could play major role  Water Authority, City, and County of San Diego have an IRWM Plan that could invest increased state funding 11
  • 12.  Add surface water and groundwater storage South of the Delta to improve flexibility and reliability in dry years  Current proposed project lacks sufficient storage to take advantage of large flows in wet years ◦ SWP pumps were halted in 2011 during high flows due to lack of storage capacity 12
  • 13.  Levee improvements would protect the current and future through-Delta conveyance system from catastrophic failure  Levee improvements would provide substantial flood-control and ecosystem benefits to in-Delta interests, potentially lessening resistance to the BDCP 13
  • 14.  40,000 acres of targeted floodplain and tidal marsh restoration could provide greater ecosystem benefits at a lesser cost than the larger, less-focused restoration currently proposed 14
  • 15.  Ensure best use of objective science through adaptive management  Independent review of science  Quantified performance objectives  Governance and adaptive management processes  Carefully defined roles for various interests in the Delta 15
  • 16.  The state has not yet made a business case for the current proposed project of 9,000 cfs  A smaller conveyance project would free up billions of dollars with a small decrease in water yield  Investments in local supplies and storage could provide an additional 1 million acre- feet or more, as well as improved water supply reliability 16
  • 17.  Encourage a Bay Delta solution that promotes local water supply development ◦ Portfolio Approach calls for local supply development as part of a comprehensive Bay Delta solution  Encourage a Bay Delta solution that is cost-effective when compared to other sources of water reliability ◦ Portfolio Approach recognizes that financial resources are not unlimited and outlines a solution that may be more cost-effective  Require independent technical analysis of key elements of the Bay Delta solution, including urban and agricultural real demands ◦ BDCP has not addressed real demands to date, as the Water Authority has consistently urged 17
  • 18.  Support “right-sized” facilities to match firm commitments to pay ◦ Analysis of the Portfolio Approach could lead to a better understanding of the right size for the Bay Delta solution  Continue to support the co-equal goals of water supply reliability and ecosystem restoration ◦ Portfolio Approach is intended to be balanced approach to achieving both the co-equal goals  Support a deliberative process that is designed to ensure a meaningful dialog among the various stakeholders ◦ Signers of the January 16 letter, representing 22 percent of the state’s population, are encouraging a wider dialog 18
  • 19.  Improve the ability of water users to divert more water in wet years, when impacts on the ecosystem are less ◦ Emphasis on south of Delta storage allows the diversion and storage of more water in wet years  Encourage the development of a statewide water transfer market ◦ Portfolio Approach calls for greater coordination among water agencies to make more effective use of existing facilities, including MWD’s, for moving water to where it is needed  Work with all stakeholders to ensure a meaningful dialog and that water supply and ecosystem restoration processes are conducted in an open and transparent manner ◦ The Water Authority has maintained an open dialog with a diverse array of stakeholders in the Bay Delta solution 19