Risk Management for Water Supplies During Droughts

by David H. Moreau, Univ of North Carolina, United States,

Document Type: Proceeding Paper

Part of: Critical Water Issues and Computer Applications


This paper describes a method for deriving policies for the operation of public water supplies under impending and actual drought conditions. Unlike previous models based on optimization techniques, this method is based on the concepts of risk management that are widely used by water utility managers. It was developed in consultation with managers of several utilities in North Carolina, and policies derived using this method are being adopted by at least two of them; namely, the Orange Water and Sewer Authority (OWASA) and the City of Durham. The OWASA system is relatively simple; the Durham system is much more complex because of options from hydroelectric power generation and water powered pumping.

Subject Headings: Risk management | Water supply systems | Droughts | Hydro power | Water resources | Water policy | Optimization models | Management methods | North Carolina

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