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Targeting Augmentation Basin States Augmentation Work Group

Explore feasible large-scale augmentation projects to address water supply issues in the Colorado River Basin. Collaborative work group identifies alternatives and funding sources for enhanced water management. Historical context and diverse options considered for augmenting water supply. Focus is on augmentation through importation, desalination, local supply options, watershed management, and other recommended strategies. Co-chairs leading efforts, establishing goals, and integrating near-term projects into a comprehensive augmentation plan.

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Targeting Augmentation Basin States Augmentation Work Group

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  1. Colorado River Water Users Association Targeting Augmentation Basin States Augmentation Work Group Thomas Buschatzke Assistant Director of Water Planning

  2. Targeting Augmentation Augmentation Work Group Background • The “Next Steps” of the Colorado River Basin Water Supply and Demand Study (Basin Study) indicated the need to identify and define feasibility level studies for large-scale augmentation projects • Basin Study also identified the need to review scopes of work and develop funding and cost share for the feasibility level studies • The Basin States established a work group to explore augmentation alternatives • Historical Note: Sections 202 and 203 of the 1968 Colorado Basin Project Act describe augmenting the water supply of the Colorado River and importation from sources outside the Colorado River’s natural drainage

  3. Targeting Augmentation Augmentation Work Group Background

  4. Targeting Augmentation Importation Options* - Missouri River - Mississippi River - Other Options to Supply Water to Southern California (Requires Exchanges) *Sources: 2008 Study of Long-Term Augmentation Options for the Water Supply of the Colorado River System (The Seven Colorado River Basin States); 2012 Colorado River Water Supply and Demand Study (Reclamation)

  5. Targeting Augmentation Desalination Options* *Sources: 2008 Study of Long-Term Augmentation Options for the Water Supply of the Colorado River System (The Seven Colorado River Basin States); 2012 Colorado River Water Supply and Demand Study (Reclamation) - Salton Sea Drain Water Desalination (Requires Exchange Mechanisms) - Pacific Ocean Desalination (Requires Exchange Mechanisms) - Yuma Area Brackish Groundwater (Requires Exchange Mechanisms) - Gulf of California Desalination (Requires Exchange Mechanisms)

  6. Targeting Augmentation Local Supply Options* - Treatment of Coal Bed Methane Produced Water - Rain Water Harvesting *Sources: 2008 Study of Long-Term Augmentation Options for the Water Supply of the Colorado River System (The Seven Colorado River Basin States); 2012 Colorado River Water Supply and Demand Study (Reclamation)

  7. Targeting Augmentation Watershed Management Options - Weather Modification - Forest Management - Tamarisk Control - Dust Control *Sources: 2008 Study of Long-Term Augmentation Options for the Water Supply of the Colorado River System (The Seven Colorado River Basin States); 2012 Colorado River Water Supply and Demand Study (Reclamation)

  8. Targeting Augmentation Other Recommended Options* *Source: 2014 Investigation of Collaborative Augmentation Opportunities to Improve the Reliability in the Colorado River Basin (Central Arizona Project in Cooperation with the Metropolitan Water District of Southern California and the Southern Nevada Water Authority) - Reservoir Augmentation with Reuse Water (Requires Exchange Mechanisms) - Coachella Valley Drain Water Treatment - Imperial Valley Drain Water Treatment - Yuma Area Brackish Groundwater Treatment - Pacific Ocean Desalination (Requires Exchange Mechanisms) - Gulf of California Desalination (Requires Exchange Mechanisms)

  9. Targeting Augmentation Augmentation Work Group Update • Two Co-Chairs: one from the Upper Basin and one from the Lower Basin • Developing goals, objectives, and ground rules • Will be sensitive to local jurisdictions • Near term projects will be incorporated into any larger augmentation plan • Review previous augmentation options

  10. QUESTIONS ???

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