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 Diminishing snowpack More extreme weather patterns More extreme weather patterns Rising sea level Rising sea level Higher air/water temperatures impacting ecosystem health Higher air/water temperatures impacting ecosystem health

Range of Snowpack Predictions by 2050

Changes in Peak Flows Feather River Feather River Runoff Annual Maximum 1-Day Flow Changes in Peak Flows San Joaquin River San Joaquin River Runoff Annual Maximum 1-Day Flow

Key Initiatives:  Integrated Regional Water Management  Statewide Water Management California Water Plan

 Conservation  Increased storage  Water recycling  Conjunctive management  Groundwater clean-up  Floodplain preservation  Watershed management Integrated Regional Water Management

Proposition 84 $1 Billion for IRWM $1 Billion for IRWM Allocated to geographic areas – not statewide Allocated to geographic areas – not statewide May be multiple IRWM regions in a funding area May be multiple IRWM regions in a funding area $100 million Interregional/ Unallocated $100 million Interregional/ Unallocated $37 $73 $57 $138 $36 $27 $52 $60 $114 $91 $215 $ in millions

San Francisco San Diego Redding Los Angeles Sacramento Stockton San Francisco Sacramento River San Joaquin River The Sacramento- San Joaquin Delta

Delta Challenges Subsidence Earthquakes Climate Change Declining Species Regulatory Uncertainty Risk of Levee Failures Urbanization/Population Growth

Comprehensive Strategy for Adaptation Regional Management Strategies Regional Management Strategies Fully implement IRWM Fully implement IRWM Identify sustained funding for IRWM, other local assistance projects Identify sustained funding for IRWM, other local assistance projects Land use plans must incorporate climate change Land use plans must incorporate climate change

Statewide Management Strategies Statewide Management Strategies Invest in resiliency of statewide infrastructure Invest in resiliency of statewide infrastructure Improve Delta conveyance Improve Delta conveyance Incorporate climate change into planning processes Incorporate climate change into planning processes Offset snowpack loss with additional water storage Offset snowpack loss with additional water storage Comprehensive Strategy for Adaptation

Statewide Management Strategies (Continued) Statewide Management Strategies (Continued) Practice integrated flood management Practice integrated flood management Coordinate reservoir reoperation Coordinate reservoir reoperation Expand bypass system Expand bypass system Protect the natural floodplain Protect the natural floodplain Comprehensive Strategy for Adaptation

Increase Management Effectiveness Increase Management Effectiveness Fund monitoring and data collection Fund monitoring and data collection Plan for sea level rise Plan for sea level rise Focused research Focused research Comprehensive Strategy for Adaptation

Questions? Questions?