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A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
A Desalination Success Story, Ed Archuleta
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A Desalination Success Story, Ed Archuleta

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  • 1. A Desalination Success Story Texas Groundwater Summit August 29, 2012 - Austin, Texas Ed Archuleta, P.E., President & CEO El Paso Water Utilities
  • 2. El Paso, Texas ProfileSixth largest city in TexasLocated in the ChihuahuanDesertEPWU service area: 800,600peopleOver 300 days of sunshine, sunshine,70° average daily temperature70°Low humidity and averagerainfall of 9”-10” per year
  • 3. Regional Water Resources Elephant Butte Dam UNITED STATES NEW MEXICO Hueco BolsonMesilla Bolson EL PASO TEXAS TEXAS West Texas Ciudad Juárez Aquifers MEXICO
  • 4. Diversified Resources50-Year Water Resource Management Plan adopted in 1991 Surface Reclaimed Conservation Water Water Groundwater Desalination Importation
  • 5. Kay Bailey Hutchison Desalination Plant Opened in 2007 to deal with: Drought Emergency situations Growth Brackish water intrusion
  • 6. Kay Bailey Hutchison Desalination Plant Award winning plant A model for other water utilities Research facility Toured by national and international visitors
  • 7. Desalination Plant Details Up to 27.5 MGD capacity Raw water forced through membranes to separate salts and contaminants 5 skids Usually runs at 1-2 skids Operated at full capacity for the first time in May 2012
  • 8. Reverse Osmosis Membrane Compared to the Constituents (Units of Microns) H2O 0.0002m NaCI 0.002m Sugar 0.003m Virus 0.1m Bacteria 10m
  • 9. Desalination Plant Water Quality Blend Wells 1,000 ppm To Distribution System 700 ppmSupply Wells 2,500 ppm Permeate Concentrate 12,000 ppm
  • 10. Concentrate Disposal3 Injection WellsSurface InjectionFacilitiesConcentrate Pipeline(22 mi)Less costly and lessenvironmental impactthan evaporation
  • 11. Kay Bailey Hutchison Desalination Plant Production 2,000,000 Unprecedented 1,800,000 Freeze & Reduction of Surface Water 1,600,000Thousand Gallons Reduction of Surface Water 1,400,000 1,200,000 1,000,000 800,000 600,000 2007 2008 2009 2010 2011 2012 2012 Jan-July Projected
  • 12. Million Gallons 0 20 40 60 80 100 120 140 1-May 160 2-May 3-May 4-May 5-May 6-May 7-May 8-May 9-MayDesalination Plant 10-May 11-May 12-May 13-May 14-May 15-May 16-May 17-May 18-May 19-May 20-May 21-MayStored Pond Water 22-May 23-May 24-May May – June 2012 25-May 26-May Water Resources Used 27-May 28-May 29-MaySurface Water 30-May 31-May 1-Jun 2-Jun 3-Jun 4-Jun 5-Jun 6-Jun 7-Jun 8-JunGroundwater 9-Jun 10-Jun 11-Jun
  • 13. Capital Costs (21 Contracts)Production Wells and Collectors $ 32 MillionPlant and Near-Plant Pipes $ 40 MillionConcentrate Disposal $ 19 Million Total Cost $ 91 Million Disposal Production Wells Plant
  • 14. Financing for Desalination Facilities by Source (Million)Congressional Appropriations (requires 45% local match) $26.0Texas Water Development Board (interest free loan) $ 1.0EPWU Bonds and Cash $60.7Army’s Contribution (in kind) $ 3.3TOTAL $91.0
  • 15. Cost in Dollars Per 1,000 GallonsG $0.00 $0.50 $1.00 $1.50 $2.00 $2.50 $3.00 $3.50 $4.00 $4.50 ro un d w at erSu rf ac e W at er D es al in at io n R ec la im ed Cost Comparison Im po rt at io n
  • 16. Financial ImpactsPresent Value of Supply Portfolio from 2012 to 2060 No desal Increases water supply PV costs by $553 million No reuse Increases water supply PV costs by $603 million No desal and no reuse Increases water supply PV costs by $967 million
  • 17. EPWU Triple Bottom LineENVIRONMENTAL SOCIAL FINANCIAL (> $15.7M) (> $2.4M) (967M)Carbon footprint Air quality related health 74% cost saving toreduction ($15.77M) risk reduction ($2.4M) supply water to allEnergy savings 3.6M Supply reliability (+) EPWU customersMWh Climate-insensitiveAir quality (+) supply source (++)Groundwater quality (+) Sustaining agriculturalSurface water (+) communities (+)Carbon footprint ofpiping (+)
  • 18. Summary A diversified water resource strategy is key Desalination, reuse and conservation can be effective management tools Desalination costs have decreased substantially Desalination and reuse are much more cost-efficient than importation
  • 19. For More Information ContactEd Archuleta, P.E.President & CEOEl Paso Water UtilitiesOffice: 915.594.5501earchuleta@epwu.org

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