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Colorado River Colorado River Reliability & Reliability & Resilience:Resilience:

Arizona’s Perspective Arizona’s Perspective

Chuck Cullom, Sr Policy Chuck Cullom, Sr Policy Analyst - CAPAnalyst - CAPJuly 28, 2010July 28, 2010

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““Whiskey’s for drinkin’ and Whiskey’s for drinkin’ and Water’s for fightin’ over…..” Water’s for fightin’ over…..”

Mark TwainMark Twain

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Arizona’s Colorado River Arizona’s Colorado River ApportionmentApportionment

2.8 MAF2.8 MAF

~ 1.200 MAF to High Priority “On-River” ~ 1.200 MAF to High Priority “On-River” UsersUsers

~ 0.165 MAF to Low Priority “On-River ~ 0.165 MAF to Low Priority “On-River UsersUsers

~ 1.415 MAF to Central Arizona Project~ 1.415 MAF to Central Arizona Project

CAP Uses ALL Unused Arizona CAP Uses ALL Unused Arizona ApportionmentApportionment

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Central Arizona ProjectCentral Arizona Project

Central ArizonaProject

+ 1.5 MAF Capacity+ 1.5 MAF Capacity

335 mi. System335 mi. System

14 Pumping Plants14 Pumping Plants

Serves 80% of Arizona:Serves 80% of Arizona:

71 Water Providers71 Water Providers

9 Tribes9 Tribes

10 Irrigation Districts10 Irrigation Districts

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CAP

2009 Arizona Colorado 2009 Arizona Colorado River SupplyRiver Supply

2.8 MAF

On-River1,225,000 af

CAPSupply

1,575,000 af

M&I478,000 af

Indian206,000 af

Ag9,000 af Long-

Term693,000 af

Colorado River

Excess Supply

832,000 af

Losses50,000 af

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Water DemandsWater DemandsCAP build-up & Potential New Demand

0

200,000

400,000

600,000

800,000

1,000,000

1,200,000

1,400,000

1,600,000

1,800,000

2,000,000

2010

2013

2016

2019

2022

2025

2028

2031

2034

2037

2040

2043

2046

2049

2052

2055

2058

Additional Demand

Excess. Storage

Excess, Muni

Ag Pool

M&I

Indian

SHORTAGE LINE

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Recharge & RecoveryRecharge & Recovery Shortage MitigationShortage Mitigation

Store today’s excess waterStore today’s excess water

Recover during shortagesRecover during shortages

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Yuma Desalting Plant Pilot Yuma Desalting Plant Pilot RunRun

Partnership of BOR, CAP, MWD, Partnership of BOR, CAP, MWD, & SNWA, to operate the YDP& SNWA, to operate the YDP

1/31/3rdrd Capacity Capacity

365 days of operation, beginning 365 days of operation, beginning in May 2010in May 2010

Produce about 30,000 af of waterProduce about 30,000 af of water

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What is the purpose of the What is the purpose of the Pilot Run?Pilot Run?

Obtain actual performance and cost Obtain actual performance and cost data for YDPdata for YDP

Test existing treatment processes for Test existing treatment processes for long-term suitabilitylong-term suitability

Define the optimal long-term YDP Define the optimal long-term YDP designdesign

Monitor the Cienega de Santa Clara to Monitor the Cienega de Santa Clara to define its environmental valuesdefine its environmental values

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Cienega de Santa Clara

YDP

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YDP

With YDP OperationWith YDP Operation

MO

DE

(to

Cie

nega

)To

Mexico

MODE(from Wellton-Mohawk)

Colorado River

Morelos Dam

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Cienega de Santa Cienega de Santa ClaraClara• 14,000 acres 14,000 acres vegetatedvegetated• 26,000 acres open 26,000 acres open waterwater• Indigenous fisheriesIndigenous fisheries• EcotourismEcotourism

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Environmental Environmental Monitoring Monitoring Program: Program:

Cienega De Santa Cienega De Santa ClaraClara

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BackgroundBackground IBWC Authorized Effort IBWC Authorized Effort IBWC Joint Engineers Report – IBWC Joint Engineers Report –

YDP Pilot Run:YDP Pilot Run: CAP, MWD, & SNWA fund CAP, MWD, & SNWA fund

environmental monitoring of the environmental monitoring of the Cienega Cienega

Environmental Working GroupEnvironmental Working Group Comprehensive Binational Comprehensive Binational

Monitoring Plan for the CienegaMonitoring Plan for the Cienega

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Mexico InvestigatorsMexico Investigators Mexico’s Principal Investigator – Jose Mexico’s Principal Investigator – Jose

Campoy (CONANP)Campoy (CONANP) Mexico’s ParticipantsMexico’s Participants

Commission for Natural Protected Areas Commission for Natural Protected Areas (CONANP)(CONANP)

Pronatura NoroestePronatura Noroeste Universidad Autonoma de Baja CaliforniaUniversidad Autonoma de Baja California Centro de Investigation en Alimentacion y Centro de Investigation en Alimentacion y

DesarrolloDesarrollo National Institute of Ecology (INE) National Institute of Ecology (INE)

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US InvestigatorsUS Investigators US’s Principal Investigator – Karl US’s Principal Investigator – Karl

Flessa (U of A)Flessa (U of A) US ParticipantsUS Participants

University of ArizonaUniversity of Arizona Sonoran InstituteSonoran Institute

Francisco Zamora-Arroyo (Project Francisco Zamora-Arroyo (Project Manager)Manager)

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Study ComponentsStudy Components Water InflowsWater Inflows Water LevelsWater Levels Bathymetry/TopographyBathymetry/Topography Water QualityWater Quality Marsh BirdsMarsh Birds Vegetation/Land CoverVegetation/Land Cover Local Weather/micro-meteorologyLocal Weather/micro-meteorology Data validation/Data sharingData validation/Data sharing

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Project ReportingProject Reporting Binational Technical GroupBinational Technical Group

Funders – CAP, MWD, & SNWAFunders – CAP, MWD, & SNWA USBR, CONAGUA, SEMARNAT, USBR, CONAGUA, SEMARNAT,

IBWC (US/Mex.)IBWC (US/Mex.) Rep. from Environmental Working Rep. from Environmental Working

GroupGroup Principal InvestigatorsPrincipal Investigators

Draft Report & Final ReportDraft Report & Final Report

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Study StatusStudy Status IBWC AuthorizationIBWC Authorization Data Collection 10/09 to PresentData Collection 10/09 to Present Stakeholders Meeting June 17Stakeholders Meeting June 17 Preliminary Data Reports in Preliminary Data Reports in

PreparationPreparation

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““Collaboration is Key….” Lorri Collaboration is Key….” Lorri Gray-LeeGray-Lee