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GWFD- Page 3 <br /> By employing the well head elevations and depths to water <br /> in monitoring wells MW-1 , MW-2 , and MW-3, groundwater <br /> elevations were calculated. Groundwater contours were <br /> drawn by interpolation of the groundwater elevations . As <br /> shown on Figure 3 of this report, groundwater was flowing <br /> N-42o --E (at 0 . 0026 ft/ft ) on December 2 , 1994 . <br /> The hydraulic gradient (i) may be expressed by the formula <br /> i = h/L <br /> where "h" represents the difference in the elevations <br /> of the two extreme groundwater contours <br /> I <br /> and "L" represents the distance between these two <br /> extreme contours <br /> i <br /> or, i = 52 . 48 ' -- 52 . 30 '= 0 . 18 ' - 0 .002618 ft/ft <br /> 68 .75 ' 68 . 75' <br /> The direction of groundwater flow was determined by drawing <br /> a line perpendicular to the groundwater contours establish- <br /> lei ed as described. <br /> i <br /> I <br /> I <br /> I <br /> I <br /> • <br />