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W-MF _ <br /> r <br /> r <br /> 10-14. ONWON M <br /> ` F <br /> Capture zone Calculations <br /> 'tri Malley Growers-Thornton <br /> Assuming 0 - l liter/minute (pumping gate) - 50.85 ft3/day <br /> b - 10 ft (saturated thickness of aquifer) <br /> T - 196 gallons/day/ft (transmisrivity from pumping test) <br /> i - 0.0034 ft/ft (hydraulic gradient from monitoring data) <br /> 0 - 0.20 (estimated effective porosity) <br /> Vn - natural velocity of groundwater <br /> Vp - pumping velocity of groundwater <br /> rc - radius of capture <br /> Vn - Ti/bC' Vp - 0/2rr rbo' <br /> The capture zone limit in the downgradient direction <br /> occurs @ radius r where Vn - Vp <br /> Ti/bO - 0/2 rb6" or rG - 0/2-ro Ti <br /> i <br /> rc - 91.55 ft. <br /> i <br />