解决加州水危机：真正的改变需要大胆的解决方案.pdf

1、1SOLVING CALIFORNIAS WATER CRISIS:REAL CHANGE REQUIRES BOLD SOLUTIONSCMUA 2025 Annual ConferenceApril 8,2025|Anaheim,CACraig Miller,General Manager,Western Municipal Water District(Western Water)Andrea Abergel,Director of Water,CMUA2CMUA 2025 Annual ConferenceCALIFORNIAS LANDSCAPE2Fifth largest econ

2、omy in the world$174 billion goods exported to over 220 countries$150 billion annually in tourismCalifornias agricultural exports to more than 150 countries were valued at around$20-22 billion Top commodities exported:Almonds(80%of the worlds supply)Dairy productsWineWalnuts,and pistachiosFuture wat

3、er supply gap is at least 9 million-acre feet(11.1 million cubic meters)Produces$3.1 trillion in goods and services 3CALIFORNIAS WATER SYSTEM Competing Demands Complex Water Rights System and Regulatory Framework Aging Infrastructure3 Variable Climate and Diverse Geography Complex Governance:No One-

4、Size-Fits-All Climate Change Impacts Groundwater Over-ExtractionCMUA 2025 Annual Conference4Historic rain damages States largest reservoir2017CALIFORNIAS STATE WATER PROJECT-RESILIENCY TIMELINE Dry year2018All statewide reservoirs full2019Drought conditions present2020Drought;State water system decl

5、ares 0%allocation2021Heavy rains and flooding2022-24CMUA 2025 Annual Conference45CALIFORNIAS STATEWIDE WATER SYSTEM REMAIN UNCHANGED SINCE THE 1960SKeep going.Imagine if statewide transportation never advanced519502024CMUA 2025 Annual Conference6SYSTEM IS NOT EQUIPPED FORBOOM-AND-BUST WEATHER PATTER

6、NSExtended,hotter periods of droughtCMUA 2025 Annual Conference67EXPERIENCING SHORTER,FLASHIER WINTER STORMS7CMUA 2025 Annual Conference8 The State Water Project needs enhanced storage and conveyance,which is why water allocations swing widely.The Colorado River has hydrology challenges and needs pe