Demonstration of Water Supply Evaluation Tool

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Demonstration of Water SupplyEvaluation
Tool Presented to the Water Supply
AssessmentAdvisory Committee
Central Puget Sound Water Suppliers Forum
November 8, 2007
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Water Supply Projects

• Sultan Supply Expansion Project
• Seawater Desalination Project
• Snoqualmie Aquifer Project

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Sultan Supply Expansion Project
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Sultan Supply Expansion Project Map
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Seawater Desalination Project
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Seawater Desalination Project - Cost Breakdown
Capital Costs Treatment Plant 100
million 0.9 mile Intake 10
million Potable Transmission to SPU reservoir
16 million Brine line to existing
outfall 7 million Total Capital
Costs 133 million Operating Costs OM
Costs 20 million/yr
Building New Outfall next to RO plant
53 million
additional 1
1 Based on Brightwater outfall estimates
saline transmission to existing outfall
costs removed
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Seawater Desalination Project Map
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Snoqualmie Aquifer Project
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Snoqualmie Aquifer Project Map
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Project Scores Demonstration of CDP