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The Implementation of The Implementation of Desalination Projects in Desalination Projects in
Arizona:Arizona:Policies, Institutions & Policies, Institutions &
RegulationsRegulations
Multi-State Salinity CoalitionFebruary 17, 2011
Chuck CullomCAP Senior Policy Analyst
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OverviewOverview
Desalination Opportunities Vary Greatly By Source And Location
Arizona Lacks Linkages Between Regulations and Policies For Rapid Adoption Of Desalination Technologies
Institutional Relationships Vary: International, Multi-state, Regional, and Local Collaborations
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Potential Desalination Potential Desalination SourcesSources
Brackish Groundwater Poor-quality Aquifers Impaired-quality Aquifers
Ag Drainage Gulf of California/Pacific Ocean
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Water Stressed Area(2030)
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Arizona’s Early Arizona’s Early LeadershipLeadership
1966 – Town of Goodyear Brackish Groundwater (ED)
1992 – Yuma Desalting Plant Ag Drainage (RO)
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Quantity And Quality Quantity And Quality NOT Integrated in NOT Integrated in
ArizonaArizona Water Quantity – ADWR
Assured Water Supply Issues - Brackish Groundwater
Colorado River Accounting/Return Flow Accounting – Ag Drainage
Water Quality - ADEQ Aquifer Protection Issues – Concentrate
Management and Discharges
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Assured Water Supply Assured Water Supply RequirementsRequirements
Groundwater Management Act (1980) Active Management Areas “Safe-yield” Goal Most Groundwater Pumping is “Mined” No Relief For Poor-qualify Aquifers
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GW Management AreasGW Management Areas
Prescott AMA: safe-yield by 2025
Phoenix AMA: safe-yield by 2025
Tucson AMA: safe-yield by 2025
Pinal AMA:preserve agriculture as long as feasible while preserving
groundwater for future needs
(1,000 feetr depth to water limit)
Santa Cruz AMA:maintain safe-yield,
prevent long-term water table declinesINA – Irrigation
Non-expansion Areas
Goals
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Aquifer Protection Aquifer Protection ProgramProgram
Protects All Aquifers From Impairment All Discharges
YDP Example No Relief For Poor-qualify Aquifers
No provisions for deep well injection Reduced options for wetlands/halophytes
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Institutional ApproachesInstitutional Approaches
International: Ocean Desalination US-Mexico Discussions Multi-State Collaboration Avoids Arizona Regulatory Issues
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Cooperative Desalination Cooperative Desalination StudiesStudies
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Institutional ApproachesInstitutional Approaches
Multi-State: YDP Pilot Run Ag Drainage Desalination Federal Participation CAP, MWD, SNWA Collaboration Avoids Arizona Regulatory Issues
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Cienega de Santa Clara
YDP
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YDP
YDP OperationsYDP Operations
MO
DE
(to
Cie
nega)
ToMexico
MODE(from Wellton-Mohawk)
Colorado River
Morelos Dam
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Institutional ApproachesInstitutional Approaches
Regional: NW Providers Collaboration
CAP Water Treatment CAP subcontractors Requires Concentrate Management
West Valley Collaboration Brackish GW – Ag Drainage Requires Source Water Regulation Requires Concentrate Management
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Institutional ApproachesInstitutional Approaches
Local: Small Systems:
Goodyear RO AZ Prisons RO
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ProgressProgress
Identification of Issues: Blue Ribbon Panel Water Development Commission
Collaborations Eventual Regulatory Changes
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Questions?Questions?