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2010 Long-Range Water Supply Plan

Click here to read the 27-page Report Text (revised). Individual Technical Appendices are listed below.

To read a concise article by Ed Holland, AICP, OWASA's Planning Director, about water supply and demand including the need for access to Jordan Lake as an "insurance policy" during extended droughts and operational emergencies, please click here.

• 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
• Appendix III-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
• Appendix V-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