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QUARTERLY MONITORING REPORT APRIL 1997 <br /> CANEPA 5 CAR WASH <br /> 248 C Park Street Stockton GA <br /> April 23 1997 <br /> 4 3 Groundwater Gradient <br /> rOn April 2, 1997, the depth to groundwater was measured in each monitor well prior to the <br /> collection of groundwater samples The average depth to groundwater was approximately 29 9 feet <br /> below the ground surface (bgs) at the site Because monitor wells MW-1, MW-2, and MW-3 are <br /> screened from approximately 45 to 65 feet bgs, and monitor wells MW-4, MW-5, MW-6, and MW-7 <br /> are screened from approximately 40 to 60 feet bgs, the water level was above the top of the screen in <br /> each of the wells The groundwater elevation ranged from 19 34 to 17 91 feet below sea level (bmsl) <br /> See Table 2, below for groundwater elevation data Groundwater elevation contours are shown in <br /> Figure 3, Appendix A The groundwater elevation contours are generally consistent with historical <br /> results, indicating northeast and northwest groundwater flow towards the general vicinity of MW-2 A <br />' hydrograph of groundwater elevations is included as Figure 4, Appendix A The accompanying <br /> Hydrograph Table includes historical groundwater elevation data <br /> TABLE 2 <br /> Groundwater Elevation Data (April 2, 1997) <br /> MW-1 through MW-7 <br /> Well Well Casing Well Collar Depth to Groundwater <br /> ID Screen Elevation Water Elevation <br /> Interval (feet) (feet) (feet) <br /> I (feet - bgs) <br /> MW-1 45 - 65 1097 29 17 -1820 <br /> MW-2 45 - 65 10 37 3021 -1984 <br /> MW-3 45 - 65 11 76 3070 -1894 <br /> MW-4 40 - 60 10 85 2876 -1791 <br /> MW-5 40 - 60 11 25 3059 -1934 <br /> IMW-6 40 - 60 11 72 3054 -18 82 <br /> MW-7 40 - 60 11 05 2960 -18 55 <br /> I <br /> 5 0 DISCUSSION OF RESULTS <br /> ISince the August, 1995, quarterly monitoring, the elevation of the water table has increased <br /> approximately 9 4 feet Since September, 1994, the depth to groundwater at the site has ranged from <br /> approximately 45 feet to 29 feet bgs The groundwater elevation contour map (Figure 3, Appendix A) <br /> indicates northeast and northwest groundwater flow towards the general vicinity of MW-2 This is <br /> Page -4 <br /> k <br /> I �� CONDOR <br />