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3.6.3 Cross Sections <br /> <br />3.6.4 <br /> <br />CDM will prepare cross sections that identify hydrogeologic and lithologic units and <br />characterize the vertical and horizontal components of ground water flow. <br /> <br />Water Table Information <br /> <br />CDM will obtain water table elevations measured at time of boring, 24-hours, and 7- <br />days for all new and existing borings. CDM will prepare a tabulation of stabilized <br />water table elevations for all new and existing piezometers that includes the previous <br />and subsequent water level data collected by the County. <br /> <br />CDM will prepare tabulation of stabilized water table elevations for all new <br />piezometers combined with the historical water table elevations from the previously <br />installed piezometers in order to develop a understanding of seasonal fluctuations in <br />the ground water table. <br /> <br />CDM will prepare an estimation of the long-term seasonal high water table elevations <br />based on stabilized water table readings, hydrographs of other wells in the area (as <br />readily available), meteorological and climatological data from nearby reporting <br />stations, and any other readily available information. <br /> <br />CDM will prepare a discussion of any natural or man-made activities that have the <br />potential for causing water table fluctuations, such as: river stage changes, flood pool <br />changes of reservoirs, high volume production wells, injection wells, or any other <br />similar features. <br /> <br />3.6.5 Ground Water Occurrence and Flow <br /> <br />CDM will prepare a report summarizing the horizontal and vertical components of <br />ground water flow including flow directions, flow rates, horizontal and vertical <br />gradients, and ground water recharge and discharge areas. <br /> <br />3.6.6 Potentiometric Contour Map <br /> <br />CDM will prepare a groundwater contour map to show the occurrence and direction of <br />groundwater flow in the uppermost aquifer and up to one other aquifer identified in <br />the hydrogeological study based on the estimated seasonal high water table. The <br />groundwater contours shall be superimposed on a topographic map. The location of <br />all borings and rock cores, and the water table elevations or potentiometric data at <br />each location used to generate the groundwater table elevations or potentiometric data <br />used to generate the ground water contours will be shown on the groundwater <br />potentiometric contour map. <br /> <br />n:XcabarmsXamend7.cab <br /> <br />Page 8 of 18 <br /> <br /> <br />