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Table 4: Summary of Water Level Elevations and Gradient Slope and Bearing-Water Table\V ells <br /> George's Service <br /> 1600 Durham Ferry Road <br /> Tracy,California <br /> Project No.425.2 <br /> Date Elevation of Groundwater Well Data <br /> MW-1 MW-2" MW-3 MW41 MW-5 MW-6 MW-7 MW-8 AMSL Gradient I Gradient <br /> TOCI 99.39 99.20 99.38 Avg.Elev. Bcarin *' Slope* <br /> * <br /> TOC2 99.37 99.20 .37 99.98 99.04 99.00 99.10 98.99 Mitt) <br /> TOC 83.49 83.31 83.42 84.1 83.16 83.12 83.23 83.1 <br /> 5/3 95 73.95 73.85 73.87 73.89 902°E 0.0017 <br /> 2/29/96 72.85 71.67 72.78 72.43 NO3°E 0.0257 . <br /> 3/19/96 72.69 71.36 72.62 72.22 N040E 0.0289 <br /> 4/22/96 73.77 72.46 73.69 73.31 NO30E 0.0250 <br /> 5/18/96 75.47 1 74.29 75.38 1 1 1 1 75.05 NOOE 0.0223 <br /> 6/28/96 75.23 74.03 75.20 74.82 N040W 0.0233 <br /> 724/96 75.79 74.61 75.77 75.39 N04°W 0.0243 <br /> 9/11/96 75.14 FP 75.11 75.13 <br /> 1/17/97 73.67 FP 73.60 73.64 <br /> 5/5/97 75.43 FP 75.43 75.50 76.08 75.15 75.25 75.42 75.47 N20OW 0.0024 <br /> 825/97 75.11 75.21 75.28 74.94 75.14 N22°W 0.0026 <br /> 9/19/97 74.35 74.24 74.29 74.40 74.26 74.10 74.15 74.27 74.26 N04-W 0.002 <br /> 224/98 76.06 FP 76.06 76.09 75.99 75.91 76.01 76.08 76.03 NO2°W 0.0012 <br /> 529/98 73.90 73.78 73.82 73.93 73.84 73.71 73.71 73.81 73.82 N290E 0.0019 <br /> 11/13/98 73.45 FP 73.38 73.48 73.40 73.29 73.26 73.36 73.37 N390E 0.0017 <br /> 428/99 72.73 71.91 72.65 72.76 72.70 72.55 72.58 72.65 72.66 N370E 0.0017 <br /> 9/1/99 74.44 74.20 74.42 74.49 74.34 74.16 74.25 74.39 74.36 NII°E 0.0023 <br /> 1222/99 72.64 73.20 72.57 72.67 72.60 N/A 72.48 72.55 72.59 N57°E 0.0015 <br /> 3/31/00 72.38 71.27 72.29 72.40 72.35 72.29 72.23 72.28 72.32 N590E 0.0016 • <br /> 6/20/00 73.75 72.97 73.71 73.79 73.66 73.50 73.55 73.65 73.69 N 18°E 0.0021 <br /> JL <br /> TOCI=Top of Casing elevation referenced to an arbitrary plane. <br /> TOC2=Top of casing elevation surveyed on 5/9/97. MW-2 was used as benchmark elevation. <br /> TOC3=Top of casing elevation surveyed on 12/18/97 and 10/19/98 into USGS Benchmark T-933 <br /> FP=Floating product in well,unable to collect data. <br /> •=MW-2 often conmind free floating product,therefore influencing water depths. <br /> "Gradient determined from MW-3,MW-4 and MW-6 from 5/5/97 to current. <br /> except for 1222/99,MW-3,MW4 and MW-7 were used for the calculation. <br /> Note: Groundwater Elevations prior to 12/16/97 have been normalized to TOC3 for comparative purposes. <br /> �eolOBllrtl7lC.�lll%4s111C. 10116/00 <br />