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Adapting Water Policy to Meet Future Need North Bay Watershed Association April 4, 2008 Lester Snow Director Climate Change Impacts to Water Resources Diminishing snowpack More extreme weather patterns Rising sea level Higher air/water temperatures impacting ecosystem health Range of Snowpack Predictions by 2050 100 Unimpaired Runoff at Friant Dam 1,000 cfs Changes in Peak Flows San Joaquin River 75 50 San Joaquin River Runoff Annual Maximum 1-Day Flow 25 0 1900 1905 1910 1915 1920 1925 1930 1935 1940 1945 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 Water Year 325 Unimpaired Runoff at Oroville Dam 300 275 250 225 Changes in Peak Flows Feather River 1,000 cfs 200 175 150 125 100 Feather River Runoff Annual Maximum 1-Day Flow 75 50 25 0 1900 1905 1910 1915 1920 1925 1930 1935 1940 1945 1950 1955 Water Year 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2000 2005 California Water Plan Key Initiatives: Integrated Regional Water Management Statewide Water Management Integrated Regional Water Management Conservation Increased storage Water recycling Conjunctive management Groundwater clean-up Floodplain preservation Watershed management Proposition 84 $37 $73 $138 $57 $27 $52 $1 Billion for IRWM Allocated to geographic areas – not statewide May be multiple IRWM regions in a funding area $100 million Interregional/ Unallocated $60 $215 $114 $91 $ in millions $36 The SacramentoSan Joaquin Delta Sacramento Sacramento River Redding Stockton San Francisco San Francisco Los Angeles San Diego San Joaquin River Delta Challenges Subsidence Earthquakes Climate Change Declining Species Regulatory Uncertainty Risk of Levee Failures Urbanization/Population Growth Comprehensive Strategy for Adaptation Regional Management Strategies Fully implement IRWM Identify sustained funding for IRWM, other local assistance projects Land use plans must incorporate climate change Comprehensive Strategy for Adaptation Statewide Management Strategies Invest in resiliency of statewide infrastructure Improve Delta conveyance Incorporate climate change into planning processes Offset snowpack loss with additional water storage Comprehensive Strategy for Adaptation Statewide Management Strategies (Continued) Practice integrated flood management Coordinate reservoir reoperation Expand bypass system Protect the natural floodplain Comprehensive Strategy for Adaptation Increase Management Effectiveness Fund monitoring and data collection Plan for sea level rise Focused research Questions?