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' Table 1 Summary of Groundwater Elevations,Gradient and Bearmg-Water Table Wells . George's Service 1600 Durham Ferry Road ' Tracy,Cahforma Project No 425 2 Date Elevation of Groundwater Well Data MW-1 I MW-2* I MW-3 I MW-4 MW-5 MW-6 MW-7 I MW-8 I AMSL DTW Gradient I Gradient 9939 1 9920 1 9938 1 1 1 AvAveBeartn **I SIODS** 05/03/95 7395 73 85 7187 7389 NO2°E 0 0017 ' 02/29/96 7285 7167 77787243- - - = NO30E 00257 03/19/96 7269 7136 7262 7222 N040E 00289 04/22/96 7177 7246 7369 - - - 7111 N030E 00250 ' 05/18/96 7547 7429 7518 = = _ _ = 7505 = N 00221 06/28/96 7521 7403 7520 74 82 N04°W 0 0233 07/24/96 7579 7461 7577— 7539 N04OW 00243 09/11/96 7514 FP 7511 - - - 7.511 - - ' 01/17/97 7367 FP 7360 - - - 7164 Y - - 05/05/97 7543 FP 7541 7550 7608 75 15 7525 7542 7547 N20°W 00024 08/25/97 75 11 7521 7528 7494 75 14 N220W 00026 ' 09/19197 74 35 7424 7429 74 40 7426 74 10 74 15 7427 7426 N04°W 00020 02/24/98 7606 FP 7606 7609 7599 7591 7601 7608 7603 NO2°W 00012 05/29/98 7390 7378 7182 7391 7384 7171 73 71 73 81 7382 N290E 00019 ' 11/13/98 7345 FP 7118 7148 7340 7329 7-326 7336 7337 N39°E 00017 04/28/99 7273 '7191 7265 7276 7270 7255 7259 72 65 7266 N370E 00017 09/01/99 7444 7420 7442 7449 7434 7416 7425 7439 7416 - N 11 T 00021 M 12!22/99 7264 7320 7257 7267 7260 NIA 7248 725-5 7259 = N570E 00015 03131/00 7218 7127 7229 7240 7235 7229 7223 7228 7232 N590E 00016 06/20/00 7375 7297 7371 7379 7166 7150 73 5,L 7365 7369 N 180E 00021 09/20/00 7284 71 98 7279 7290 7280 7264 7268 7276 7280 N320E 00021 12/27/00 7211 71 26 7201 72 13 7207 71 91 71 96 7203 7206 = N340E 00019 03/06/01 7204 71 19 71 98 7206 72 02 7265 71 91 71 99 7200 S270E 00044 06/20/01 7206 71 46 7198 7209 7200 72 14 71 84 7195 71 99 N5311E 00015 ' 09/07/01 7212 71 84 7227 72 35 72 14 72 14 72 12 7222 7224 = N080W 00017 12/03/01 71 76 71 00 7170 71 79 71 64 72 10 7163 71 69 7170 N480E 00010 Wells Re-surveyed Dec 21,2001 In accordance with SWRCB Geotracker Re uil Monts Date Elevation of Groundwater I Well Data MW-1 MW-2 MW-3 MW4 MW-5 MW-6 MW 7 MW-8 AMSL. DTW Gradient Gradient 8584 8563 85 83 8645 8563 8546 85 57 8544 Avg Avg Bearing— Slope** ' 12/21/01 7199 7362 73 97 7402 73 95 DRY 7384 73 90 73 95 11 87 N220E 0 001 1 02/22/02 7180 7340 7378 73 82 7177 74 11 73 67 7372 73 81 1197 N610E 00011 06/05/02 7387 73 34 7385 7390 7182 -- 72170 7379 7382 1202 N21eE 00014 09/11/02 7353 7287 7355 7156 7348 7384 7138 7346 73 49 1227 N 170E 00013 12/26/02 7367 7262 7166 7368 7361 7155 73 59 73 63 1229 N05°E 00009 03/21/03 7351 7234 73 35 7350 7334 7335 7311 7119 12 53 N850E 00021 ' 06/06/03 7306 7205 7306 7309 7301 7302 7291 7297 7302 1284 NOTE 00012 09/05/03 7326 7326 73 17 7320 73 11 7398 73 01 7109 7326 1247 N050E 00013 01/03/04 7124 7129 7324 7328 7322 73 18 73 13 73 18 7321 1251 N210E 00010 04/27/04 Ti 87 7268 7391 7391 7180 7368 7175 73 84 7382 12 05 N 140W 00013 ' Historical Averages W 7358 1226 N230E 000 13 FP=Floatmn,product in well unable to collect data '=MW 2 ot3en contaond tree floating product therefore influencing water depth% •*Gradient determined from MW 3 MW 4 and MW 6 from 5/5197 to current except for 12/22/99 and 12/21/01 to which MW 3 MW-4 and MW 7 were used for the calculation 6f2(10I computer contours used for calculation+ MW 3 MWA and MW 7 used for calculations from 61021)2«t present(except 3!21103 MW 3 4 and Iland 4/27AA MW 1 9 and 7) Note Groundwater Elevations pnor to 12/16/97 have been normalized to TOC3 for comparative purposes ' Cite/egw(Tahwwralnc e/z��