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~ Water & Sewer Authority of Cabarrus County <br />VVS/~CC Water and Wastewater System Master Plan <br /> <br />Safe Yield Update and Regional Drought Operations <br /> <br />1 <br /> <br />Location: Greensboro, North Carolina <br /> <br />Management Agency: Department of Water Resources, Director of Water Resources, City <br />Manager, Mayer, and City Council <br /> <br />Drought Indicator(s): [~Reservoir Water Levels [~Stream Flows <br /> / [~Water Production and Distribution Capabilities <br /> [~Drawdown Rates <br /> [~Precipitation Outlook <br /> [~Daily Water Use Patterns <br /> ~]Seasonal and Long-Term Weather Patterns <br /> [~Availability of Water from Other Sources <br /> ['-]Other: <br />Additional Information: <br />Emergency Water Conservation and Restriction Plan <br />http://www.ci.greensboro.nc.us/wateres/Conservation/CHAPTER%2029.pdf <br /> <br />Program Summary <br /> <br />All of Greensboro's water comes form surface water sources: Lake Higgins, Lake Brandt, and <br />Lake Townsend Reservoirs. The criteria used to determine a water shortage are listed above. <br />However, the severity of the shortage is determined primarily by the levels of Lakes Brandt and <br />Lal~ e Townsend. <br /> <br /> a) Stage I - Water Restrictions Alert <br /> These voluntary restrictions are enacted when the levels of the lakes do not conform <br /> to seasonal expectations or the daily water demand is approaching ninety five <br /> percent of the system capacity. <br /> b) Stage IIA* - Water Shortage Level I Warning <br /> These mandatory restrictions are imposed when it is determined that there are no <br /> more than 150 days' of supply water available'. <br /> c) Stage liB * - Water Shortage Level II Warning <br /> This stage occurs upon the determination that no more than 125 days' of supply <br /> water is available. <br /> d) Stage III * - Water Shortage Danger <br /> These restrictions are enacted when the supply of water is determined to be less <br /> than 100 days of supply available. <br /> e) Stage IV *- Water Shortage Emergency <br /> The restrictions of Stage IV are imposed upon the determination of less than 75 <br /> days of water supply available. <br /> f) Stage V* - Water Shortage Crisis <br /> Stage V is in effect when it is determined that the available water supply is less than <br /> 50 days. <br /> <br />PN 096873.0800 28 <br />January 23, 2004 BLACK & VEATCH <br /> ~1~ + International Company <br /> <br /> <br />