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The hydraulic conductivity is derived from Figure 4 in the direction of the potentiometric surface
<br /> gradient The potentiometric surface gradient direction used is that form before the test on
<br /> November 01, 2001 N 45 2°W Within the limits of the test methodology this is approximately
<br /> equivalent to the calculated direction of major hydraulic conductivity (N 57 5°W) The major
<br /> hydraulic conductivity is 23 7 Ft/Day The average potentiometric surface gradient for
<br /> November 01, 2001 was 0 0105 The porosity will be assumed to be 0 15
<br /> 53 CAPTURE ZONES FOR EXTRACTION WELL EW-I
<br /> Calculations made using the above parameters for each of the extraction well EW-1 are
<br /> presented below for November 01, 2001
<br /> EXTRACTION Q B U Q
<br /> WELL 2BU BU 27iBU
<br /> Cu Ft/Day Ft Ft /Day Ft Ft Ft
<br /> EW-1 1,3475 1258 1 659 323 646 103
<br /> i
<br /> The several distances are plotted as the capture zone on Figure 5 for November 01, 2001
<br /> 60 REFERENCES
<br /> Grubb, S , 1993, Analytical Model for Estimation of Steady-State Capture Zones of Pumping
<br /> wells in Confined and Unconfined Aquifers, Ground Water, v 31, n 1, pp 27-32
<br /> Javandel, I , and C F Tsang, 1986, Capture-Zone 1 ype Curves A Tool For Aquifer Cleanup,
<br /> Ground IA'ater, v 24 n 5, 616-625
<br /> Keely, J P , and C F Tsang, 1983, Velocity Plots and Capture Zone of Pumping Centers for
<br /> Ground-water Investigations, Ground Water, v 21, n 6, pp 701-714
<br /> Keely, J F , 1984, Optimizing Pumpmg Strategies for Contaminant Studies and Remedial
<br /> Actions, Ground Water Monitoring Review, v 4, n 3, pp 63-74
<br /> Kruseman G P , N A de Ridder, and J M VerweiJ, 1990 Analysis and Evaluation of Pumpmg
<br /> Test Data (Second Edition), Publication 47 of the International Institute for Land
<br /> Reclamation and Improvement, Wageningen, The Netherlands
<br /> Lohman, S W, 1972, Ground-Water Hydraulics, U S Geol Survey, Professional Paper 708
<br /> McElwee, C D , 1991, Computer notes Capture zones for simple aquifers, Ground Water, v 29,
<br /> n 4, pp 587-590
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