Fort Bliss / EPWU Joint Desalination Facilities

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Fort Bliss / EPWUJoint Desalination Facilities

• Status Report

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Project Summary

• Project to provide new 27.5 MGD blended supply to
  El Paso
• Cooperative effort between Fort Bliss and EPWU
• Presentation today is an update on project
  progress

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Facilities included in Project

• 12-15 MGD Desalination Plant
• Rehabilitate 15 Existing Wells 18 MGD
• 12 MGD of new well supply (est. 16 Wells)
• Brine Disposal Facilities
• Pipelines
• Water resources Learning Center

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Facilities included in Project
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Work Accomplished

• Brine Disposal Study
• Evaluation of existing well facilities
• Test and Monitoring Well program
• Deepwell Disposal site investigations
• Pilot Studies
• Preliminary Design of Desalination Facilities

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Brine Disposal Option Study
Brackish Water Supply From Existing EPWU Wells
And Proposed Ft Bliss Wells
RO plant
Permeate to Transmission/ distribution
Deep Well Injection
Brine Reject
Brine Concentrator
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Brine Disposal Option Study
Brackish Water Supply From Existing EPWU Wells
And Proposed Ft Bliss Wells
RO plant
Permeate to Transmission/ distribution
Deep Well Injection
Brine Reject
Brine Concentrator
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Existing EPWU Wells - Assessment and Needs
Analysis
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Test and Monitoring Well Program
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Test and Monitoring Well Program
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Deep Well Injection Report
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Deep Well Injection Report
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Deep Well Injection Report
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RO Pilot Plant Operations
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Brine Concentrator Pilot Plant Operations
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RO Plant Report
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RO Plant Report
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Value Engineering Session

• Conducted December, 2002
• Outside Technical Review

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Milestones

• Commenced Design of Well Improvements May, 2003
• Commence Design of Desalination Plant July,
  2003
• Ongoing Deepwell Testwell Program
• NEPA Studies

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Cost Estimates
Total Capital Cost, x1000 Ammortized Capital Cost, x1000 1 Ammortized Capital Cost, /kgal blended total Annual OM Costs, x1000 Total Ammortized Capital and OM Cost, /kgal blended total
Total Cost - 27.5 MGD RO 67,059 5,381 0.55 10,183 1.58
16 New Brackish Wells, Inc. Collector Lines 25,920 2,080 0.21 2,101 0.42
Existing Well Facilities (Rehab) 3 5,767 463 0.05 3,239 0.38
27.5 MGD RO Facitlity 23,468 1,883 0.19 2,804 0.48
7.5 MGD Pump Station 1,380 111 0.01 1,284 0.14
Finished Water Transmission Line 828 66 0.01 5 0.01
Brine Disposal by Deep Well Inj., Includiing Pipeline 9,696 778 0.08 750 0.16

1 Based on 20 year life, 5.0 interest, A/P Factor 0.08024