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ESTIMATES OF THE NUMBERS OF SEPTIC SYSTEMS <br />WATER QUALITY CRITICAL AREAS AND CORRESPONDING WATERSHEDS <br />ORANGE COUNTY, NC <br />ORANGE COUNTY WATER <br />SUPPLY WATERSHEDS <br />SQUARE <br />MILES <br />ACRES <br />% OF <br />NON- <br />MUNIC. <br />COUNTY <br />LAND <br />AREA <br />#SYSTEMS <br />IN WQCA <br />BASED A <br />SYSTEMS /M12 <br />(METHOD 1) <br /># SYSTEMS <br />IN WQCA <br />BASED ON <br />POPULATION <br />DENSITY <br />(METHOD 2) <br /># SYSTEMS <br />IN TOTAL <br />WATERSHED <br />BASED ON <br />SYSTEMS /Ml2 <br />(METHOD 1) <br />#IN TOTAL <br />WATERSHED <br />BASED ON <br />POPULATION <br />DENSITY <br />(METHOD 2) <br />Upper Eno River <br />WQCA <br />22.3 <br />14272 <br />6.0% <br />1132 <br />1169 <br />Watershed outside of WQCA <br />36.6 <br />23424 <br />9.8% <br />Total Watershed <br />58.9 <br />37696 <br />15.7% <br />2990 <br />3087 <br />Cane Creek <br />WQCA <br />7.5 <br />4800 <br />2.0% <br />381 <br />393 <br />Watershed outside of WQCA <br />21.7 <br />13888 <br />5.8% <br />Total Watershed <br />29.2 <br />18688 <br />7.8% <br />1482 <br />1530 <br />University Lake <br />WQCA <br />1.5 <br />960 <br />0.4% <br />72 <br />79 <br />Watershed outside of WQCA <br />22.1 <br />14144 <br />5.9% <br />Total Watershed <br />23.6 <br />15104 <br />6.3% <br />1198 <br />1237 <br />TOTALS <br />1585 <br />1640 <br />5670 <br />5854 <br />ro <br />0 <br />