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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
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
Potential Desalination Potential Desalination SourcesSources
Brackish Groundwater Poor-quality Aquifers Impaired-quality Aquifers
Ag Drainage Gulf of California/Pacific Ocean
Arizona’s Early Arizona’s Early LeadershipLeadership
1966 – Town of Goodyear Brackish Groundwater (ED)
1992 – Yuma Desalting Plant Ag Drainage (RO)
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
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
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
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
Institutional ApproachesInstitutional Approaches
International: Ocean Desalination US-Mexico Discussions Multi-State Collaboration Avoids Arizona Regulatory Issues
Institutional ApproachesInstitutional Approaches
Multi-State: YDP Pilot Run Ag Drainage Desalination Federal Participation CAP, MWD, SNWA Collaboration Avoids Arizona Regulatory Issues
YDP
YDP OperationsYDP Operations
MO
DE
(to
Cie
nega)
ToMexico
MODE(from Wellton-Mohawk)
Colorado River
Morelos Dam
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
ProgressProgress
Identification of Issues: Blue Ribbon Panel Water Development Commission
Collaborations Eventual Regulatory Changes