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c <br /> 8 <br /> 79',3• 7r 7r45• <br /> r � r <br /> �,. 17, I 1 <br /> C A WELL � �:, y.�'J ..�/ 1•.�.. <br /> S <br /> r <br /> 3a•,s = ._ _ _;a _ •;_ I r 1. Haw River <br /> ^• 2. Cane Creek <br /> C �F (1 1 7r If GRANVILLE <br /> y�� f I t �l 3. Morgan Creek- <br /> 4( f- ? \ Upstream of Chapel Hill <br /> ALAMANCE, - 1 14l%15 I 4. Morgan Creek- <br /> *F I " . Upstream of White Cross <br /> ,,__ + 0 s �. i 1� � 5. New Hope Creek <br /> }�� ORANGE ?� <br /> �h�.' ,4 �„ jo URHAM 6. New Hope River <br /> ry' - f"`" "• <br /> j t: 7. Eno-Upstream of <br /> Hillsborough(Upper Eno) <br /> ' . s 8. Eno River Sub-basin <br /> 2� �� ., c (Lower Eno) <br /> J ► ,�„�,,,, •. / 9. Seven-Mile Creek <br /> 1 7 10. Little River <br /> m.,. _ ,.� ° y i 11. Flat River <br /> 12. Hyco Creek <br /> w+ ° '4 <br /> 0 � <br /> `''• `� `� ; land„ l `;�r�". <br /> 33vs t .w.CHATHAM'.•/ e}� ' .,)c.�.•�. L. <br /> rlawe,e _ <br /> rwr..a.o WAKE <br /> Comparison of Basins <br /> The mean ground water recharge in the 12 basins ranges from a low of 311 gallons/day/acre in <br /> the Haw River basin,to a high of 477 gallons/day/acre in the Morgan Creek basin upstream of <br /> Chapel Hill.Considered together,the 12 basins have an annual mean recharge of 365 <br /> gallons/day/acre.The two Morgan Creek basins are substantially on the top end of the recharge <br /> rate spectrum.If they are excluded from the analysis,the range of mean recharge rates in the 12 <br /> basins drops by almost one-half. <br /> The median(mid-point)recharge varies substantially,from 80.7 gallons/day/acre in the New <br /> Hope River basin to 370 gallons/day/acre in the Morgan Creek basin upstream of Chapel Hill. <br /> The overall median is 228 gallons/day/acre.The amount of streamflow that is ground water <br /> baseflow also varies across the different basins.Ground water constitutes the highest proportion <br /> of total streamflow in the Morgan Creek basin,upstream of Chapel Hill,where 48%of <br /> streamflow is baseflow.The New Hope River basin,at 32.2%,has the lowest percentage of <br /> baseflow to streamflow. <br /> 5 <br />