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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 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