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Colorado River Reliability & Resilience: Arizona’s Perspective. Chuck Cullom, Sr Policy Analyst - CAP July 28, 2010. “Whiskey’s for drinkin’ and Water’s for fightin’ over…..” Mark Twain. Arizona’s Colorado River Apportionment. 2.8 MAF ~ 1.200 MAF to High Priority “On-River” Users
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Colorado River Reliability & Resilience: Arizona’s Perspective Chuck Cullom, Sr Policy Analyst - CAP July 28, 2010
“Whiskey’s for drinkin’ and Water’s for fightin’ over…..” Mark Twain
Arizona’s Colorado River Apportionment 2.8 MAF ~ 1.200 MAF to High Priority “On-River” Users ~ 0.165 MAF to Low Priority “On-River Users ~ 1.415 MAF to Central Arizona Project CAP Uses ALL Unused Arizona Apportionment
Central Project Arizona Central Arizona Project • + 1.5 MAF Capacity • 335 mi. System • 14 Pumping Plants • Serves 80% of Arizona: • 71 Water Providers • 9 Tribes • 10 Irrigation Districts
Losses 50,000 af Ag 9,000 af 2.8 MAF Long- Term 693,000 af CAP 2009 Arizona Colorado River Supply Excess Supply 832,000 af CAP Supply 1,575,000 af Indian 206,000 af M&I 478,000 af On-River 1,225,000 af Colorado River
Water Demands SHORTAGE LINE
Recharge & Recovery • Shortage Mitigation • Store today’s excess water • Recover during shortages
Yuma Desalting Plant Pilot Run Partnership of BOR, CAP, MWD, & SNWA, to operate the YDP 1/3rd Capacity 365 days of operation, beginning in May 2010 Produce about 30,000 af of water
What is the purpose of the Pilot Run? Obtain actual performance and cost data for YDP Test existing treatment processes for long-term suitability Define the optimal long-term YDP design Monitor the Cienega de Santa Clara to define its environmental values
YDP Cienega de Santa Clara
With YDP Operation Colorado River MODE (from Wellton-Mohawk) Morelos Dam YDP To Mexico MODE (to Cienega)
Cienega de Santa Clara • 14,000 acres vegetated • 26,000 acres open water • Indigenous fisheries • Ecotourism
Background • IBWC Authorized Effort • IBWC Joint Engineers Report – YDP Pilot Run: • CAP, MWD, & SNWA fund environmental monitoring of the Cienega • Environmental Working Group • Comprehensive Binational Monitoring Plan for the Cienega
Mexico Investigators • Mexico’s Principal Investigator – Jose Campoy (CONANP) • Mexico’s Participants • Commission for Natural Protected Areas (CONANP) • Pronatura Noroeste • Universidad Autonoma de Baja California • Centro de Investigation en Alimentacion y Desarrollo • National Institute of Ecology (INE)
US Investigators • US’s Principal Investigator – Karl Flessa (U of A) • US Participants • University of Arizona • Sonoran Institute • Francisco Zamora-Arroyo (Project Manager)
Study Components • Water Inflows • Water Levels • Bathymetry/Topography • Water Quality • Marsh Birds • Vegetation/Land Cover • Local Weather/micro-meteorology • Data validation/Data sharing
Project Reporting • Binational Technical Group • Funders – CAP, MWD, & SNWA • USBR, CONAGUA, SEMARNAT, IBWC (US/Mex.) • Rep. from Environmental Working Group • Principal Investigators • Draft Report & Final Report
Study Status • IBWC Authorization • Data Collection 10/09 to Present • Stakeholders Meeting June 17 • Preliminary Data Reports in Preparation