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~'~anT 5 11 <br />Existing Surface 1Nater Supplies in Orange County <br />May 2011 <br /> <br />St <br />1 Year <br />Control- <br />i 20 year <br /> <br />Safe <br />Estimated <br />Yield <br />Useable <br /> <br />Comments <br />VCUA Max <br /> Avail. ng <br />A enc <br />g Y Yield (MGD) Storage withdrawal <br /> (MGD <br /> <br />Eno River N/A DWR N/A ? <br /> <br />Haw River <br />N/A <br />DWR <br />~8.3 <br />N/'°` ^'20% of <br />7Q10 <br />N/A <br />University 1932 OWASA 27 N/A 450 M~ N/A <br />-Lake <br />Lake Ben 1955 Hi11s- 680 <br />0 19.6 MG 1:51 <br />Johnston borough . (74 ac-ft) <br />Corporation 1968 OAWS 0.370 18.6 MG <br />(86 ac-ft) 0.82 <br />Lake <br /> <br />LaKe Orange <br />1968 Orange <br />County <br />1.6 427 MG <br />(1,255 ac-ft) 0.080 H <br />( ) <br />Cane Creek 1989 OWASA 8.6 N/A 2,870 MG N/A <br />Reservoir <br />WFER 2004 Hills- <br />borough 1.8 3.2 786 MG- <br />(2,389 ac-ff) ? <br />Stone Quarry 2030 OWASA 5.5 209 to <br />000 MG <br />3 N/A <br />Reservoir , <br />Piedmont Minerals is permitted to withdraw-a maximum of 0.9 MGD. <br />WFER operates under separate dam safety release requirement table. <br />Figures from various sources available on-line, except estimated yield figures and <br />useable storage information in acre-feet, which is from July 2010 Neuse River Basin <br />Water Resources Plari prepared by the NC Division of Water Resources. <br />VCUA Voluntary Capacity Use Agreement <br />MGD Million gallons per day <br />MG Million gallons <br />Ac-ft acre-feet (1 acre-foot is approximately 325,000 gallons) <br />N/A Not Applicable <br />7Q10 The lowest 7-day average flow that occurs (on average) once every 10 <br />years. <br />