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Table 2: Summary of Groundwater Elevations,Gradient and Bearing-Water Table Wells eo e's Service . 1600 Durham Ferry Road Tracy,California Project No.425.2 Date Elevation of Groundwater Well Data MW-1 MW-2* MW-3 MW-4 MW-5 MW 6 MW-7 -8 AMSL DTW Gradient Grath n ' 2 3$ s*I Slope" 05/03/95 1 71-9-51 73.85 1 73.87 73.89 NO2-E 0.0017 02/29/96 1 72,85 71.67 72.78 - - 72.43 N030E 0.0257 ' 03/19/96 72.69 71.36 72.62 - 72.22 N04°E 0.0289 04/22/96 73.77 72.46 73.69 73.31 N030E 0.0250 05/18/96 75.47 74.29 75.38 75.05 N 0.0223 06/28/96 75.23 74.03 75.20 - - - 74.82 N04OW 0.0233 07/24/96 75.79 74.61 75.77 - - - 75.39 - N04*W 0.0243 ' 09/11/96 75.I4 FP 75.11 - _ _ = 75.13 = = 01/17/97 73.67 FP 73.60 73.64 05/05/97 75.43 FP 75.43 1 75.50 1 76.08 1 75.15 1 75.25 75.42 75.47 - N20aW 0.0024 ' 08125!97 75.11 75.21 75.28 74.94 75.14 = 1922- 0.0026 09/19/97 74.35 74.24 74.29 74.40 74.26 74.10 74.15 74.27 74.26 N04°W 0.0020 02124/98 76.06 FP 76.06 76.09 1 75.99 1 75.91 76.01 76.08 76.03 - NO2OW 0.0012 05/29/98 73.90 73.78 73.82 73.93 1 73.84 1 73.71 73.71 73.81 73.82 - N29°E 0.0019 ' 11/13/98 73.45 FP 73.38 73.48 73.40 1 73.29 73.26 73.36 73.37 N390E 0.0017 04/28/99 72.73 71.91 72,65 72.76 72.70 72.55 72.58 72.65 72.66 N37*E 0.0017 09/01/99 74.44 74.20 74.42 1 74.4974.34 74,16 74.25 74.39 74.36 - NI[OF, 0.0023 ' 12/22/99 72.64 1 73.20 72.57 72.67 1 72.60 NIA 72.48 J 72.55 72.59 N51*E 0.0015 03/31/00 72.38 71.27 1 72.29 72.40 1 72.35 1 72.29 1 72.23 72.28 72.32 N--OE 0.0016 06/20/00 73.75 72.97 1 73.71 73.79 73.66 1 73.50 1 73.55 73.65 73.69 N18*E 0.0021 09/20/00 72.84 71.96 1 72.79 72.90 72.80 1 72.64 1 72.68 72.76 1 72.80 - I N320E 0.0021 12/27/00 72.11 71.26 1 72.03 72.13 72.07 71.91 1 7L96 72.03 72.06 = N34GE 0.0019 03/06/01- 72.04 1 71.19 71.98 1 72.06 72.02 72.65 1 71.91 1 71.99 I 72.00 I 0.0044 06/20/01 72.06 71.46 71.98 1 72.09 1 72,0072.14 ?1.84 7L95 71.99 - N53°E 0.00!5 09/07/01 72,32 71.84 72.27 72.35 72.14 72.14 72.12 72.22 72.24 - NOS°W 1 0.0017 ' 12/03101 71.76 71.00 71.70 71.79 71.60 72.1071.63 71.69 71.70 - N48°E 0.0010 Wells Re-$Mn2yad Dec.21 2001 in arxsrdence with SWRCS Gootra- r R ulrenfents Date Elevation of Groundwater I Well Data MW-1 MW-2 I MW-31 MW4MW-5 I MW-6 I MW-7 I MW-8 AMSL I DTW Gradient Gradient ' 85.84 85.63 85.83 1 86.45 1 85.63 85.46_L 85.57 85.44 Avg. Avg, Bearing** Slope** 12/21/01 73.99 73.62 73.97 74,02 73.95 DRY 73.84 73.90 73.95 11.87 N22°E 0.0011 ' 02/22/02 73.80 73.40 73.78 73.82 73.77 74-11 13.67 73.72 73.$1 11.97 N61°E 0.0011 06/05/02 73.87 73.34 73.85 73.90 73.82 73.70 73.79 73.82 12.02 N210E 0.0014 09/11/02 73.53 72,87 73.55 73.56 73.48 73.84 73.38 73.46 73.49 12.27 N17-E 0.0013 12/26/02 73.67 72.62 73.66 73.68 73.61 - 73.55 73.59 73.63 12.29 N05aE 0.0009 ' 03/21/03 1 73.51 72.34 73.35 1 73.50 1 73.34 - 73351 73.31 13.39 12.53 N85°E 0.002I 06/06/03 73.06 72.D5 73.06 73.09 73.01 73.02 72.91 72.97 73.02 1 12.84 N07-E 0.0012 09/05/03 73.26 73.26 73.17 1 73.20 1 73.11 1 73.98 1 73.01 1 73.09 1 73,26 1 12.47 1 N05-E 0.0013 Summary of Groundwater Elevations,Gradient and Bearing-Zone A 01/03/04 73.24 73.29 73.24 73.28 73.22 73.18 73.13 73.18 73.21 L2.SL N21°E 0.0010 04/27/04 73.87 72.68 73.91 73.91 73.80 73.68 73.75 1 73.84 73.82 12.05 N140W 0.0013 ' 07!23104 73.20 72.28 73.22 73.23 73.13 73.04 73.05 73.12 73.14 12.70 N30E**** 0.0015*** Historical Averages= 7358 12.32 N24.70E 0.0013 FP-Floating prodret in well,unable to collect data. ' ..MW-2 often conlalnd free floating pr*lwi,therefore influencing water depths. Gradient d temuned from h4W-3,MW4 aid MW-6!tarn 515197 to current,acept fa 12!22/99 and 32/21MI in which MW-3.MW-4 and),[W4 were used fQ efts calculation.612!3/01 compute cordmul used for calculations. MW-3,MW4 and MW-7 used fix calculations framWOM to preseaa(except 3121/03:MW-3.4 and 8 am 4127104 MW-1,3 and 7) Note: Groundwater Elevailons prior to 12/1&97 have been norntallzed to T=for 63mpl3rattve purposes. +'**Calcutated using computer generated countour gradient map 9171/7aar CKIl�Ital Tidu(P lAC .