Workshop on Future Water Supplies in Arizona June 21, 2006 1 Day 1 – Highlights Portfolios & Infrastructure Bradley M. Hill, R.G. Water Resources Manager.

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Presentation transcript:

Workshop on Future Water Supplies in Arizona June 21, Day 1 – Highlights Portfolios & Infrastructure Bradley M. Hill, R.G. Water Resources Manager City of Peoria

Workshop on Future Water Supplies in Arizona June 21, Water Resource Portfolio Diversification is keyDiversification is key - Climate change – dryer, longer? - Groundwater, surface water, reclaimed water, desalinization (?) Augmentation – new suppliesAugmentation – new supplies – Colorado River - make shortages go away – mechanisms to allocate an over allocated river? – Yuma’s goal… ”don’t look here” protection

Workshop on Future Water Supplies in Arizona June 21, Water Resource Portfolio Water Conservation Water Conservation –Educational opportunities reduce long & short term use –Public perceptions: growth v. conservation message –Dry-year agricultural purchase options

Workshop on Future Water Supplies in Arizona June 21, Water Resource Portfolio Agricultural water shift to M & I?Agricultural water shift to M & I? –Is this a long-term solution? ($ billion industry) –Leave a substantial % on-river? –Buffer to M & I ? –National Security? not become a net importer of food

Workshop on Future Water Supplies in Arizona June 21, Water Resource Portfolio Seawater – in Arizona’s future? collaborative opportunities, locally or with California or Mexico? Seawater – in Arizona’s future? collaborative opportunities, locally or with California or Mexico? Cheaper than other supplies? Environmental concerns

Workshop on Future Water Supplies in Arizona June 21, Water Reclamation (Arizona’s future?) Water Reclamation (Arizona’s future?) Political successes & pitfalls Public buy-in / education Water Resource Portfolio

Workshop on Future Water Supplies in Arizona June 21, Infrastructure canals, pipes & treatment plants Canal Expansion – additional capacity, low hanging fruit 1.8 MAF to 2.1 MAF Treatment & Delivery - uncertainty of location of growth? - treat every drop to highest standard?

Workshop on Future Water Supplies in Arizona June 21, Infrastructure canals, pipes & treatment plants Costs & Financing? - Water priced too low -New growth should pay, but not subsidize beyond their benefits $ $8.00 / gallon capital costs - ACC limits: plan today, who pays? limit investments in future supplies

Workshop on Future Water Supplies in Arizona June 21, Infrastructure canals, pipes & treatment plants Recharge / Recovery – “pump & replenish” - -Major part of a balanced infrastructure - -CAGRD not a bridge supply? - -Moving away from “sweet spot?” - Areas relying 100% - -Aquifer management - -Conjunction use strategies Groundwater Recharge Groundwater Aquifer Well Water Supply Water Level “Mounding”

Workshop on Future Water Supplies in Arizona June 21, Final Thoughts: Portfolio & Infrastructure – – Regionalization Why? Carl Hayden vision what will Arizona look like in 2056? – – Collaboration Central Arizona State-wide Southwestern USASouthwestern USA International?International? Arizona MEXICO California

Workshop on Future Water Supplies in Arizona June 21, Final Thoughts: Portfolio & Infrastructure Next 25 years look like last? Next 25 years look like last? Old way - Arizona territorial thinking, parochial jealousy New way – diversity, environment, collaboration, regionally connected, cost sharing …keep Arizona in the “sweet spot”… …keep Arizona in the “sweet spot”…