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2010 Long-Range Water Supply Plan

Click here to read the 27-page Report Text.

Individual Technical Appendices are listed below: 

  • Appendix I:  Engineering Basis for Technical Evaluations of Water Supply Alternatives
  • Appendix II:  50-Year Demand Projections
  • Appendix III :
    • A. Yield Metrics for OWASA Water Supply Planning
    • B. Risk-of-Critical-Drawdown Graphs for Average Demands of 8 to 12 mgd
  • Appendix IV:  Water Quality in OWASA’s Water Supply Reservoirs
  • Appendix V:
    • A. Option 1 -- Expand Stone Quarry Reservoir
    • B. Evaluation of Raw Water Transmission Capacity
  • Appendix VI:  Option 2 -- Develop Jordan Lake Independently by OWASA
  • Appendix VII:  Option 3 -- Develop Jordan Lake in Partnership with Others
  • Appendix VIII:  Option 4 -- Permanent Haw River Intake
  • Appendix IX:  Option 5A -- Expand Reclaimed Water System
  • Appendix X:  Option 5B -- Additional Water Conservation Investments
  • Appendix XI:  Option 5C -- Water Supply Shortage Restrictions
  • Appendix XII:  Option 6 -- Purchase Finished Water from Other Providers
  • Appendix XIII:  Option 7 -- Expand Cane Creek Reservoir
  • Appendix XIV:  Option 8 -- Expand University Lake
  • Appendix XV:  Option 9 -- Dredge Sediment from University Lake
  • Appendix XVI:  Option 10 -- New Reservoir on Sevenmile Creek