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TABLE 1 <br />GROUNDWATER ELEVATIONS <br />PILKINGTON - JONES DEVELOPMENT <br /> 500 East Louise Avenue, Lathrop, California <br />(feet) <br />Direction and Gradient <br />(ft/ft) <br />Depth to Groundwater <br />(btoc) <br />Groundwater Elevation <br />(NAVD88)Well Designation Screened Interval (bsg) <br />Well Casing Elevation <br />(NAVD88)1 Date <br />05-15-2015 14.83 2.19 <br />08-07-2015 16.47 0.55 <br />11-16-2015 17.10 -0.08 <br />02-16-2016 15.45 1.57 <br />05-13-2016 14.69 2.33 <br />08-11-2016 16.40 0.62 <br />11-04-2016 16.92 0.10 <br />02-13-2017 13.50 3.52 <br />05-12-2017 12.50 4.52 <br />08-07-2017 13.23 3.79 <br />11-10-2017 14.02 3.00 <br />02-02-2018 13.85 3.17 <br />05-14-2018 13.65 3.37 <br />08-17-2018 14.75 2.27 <br />11-02-2018 15.15 1.87 <br />02-11-2019 14.16 2.86 <br />05-15-2019 13.91 3.11 <br />07-31-2019 13.48 3.54 <br />11-15-2019 13.65 3.37 <br />02-05-2020 12.65 4.37 <br />Notes: <br />NAVD88: North American Vertical Datum 88 ft/ft: feet per feet <br />bsg: below surface grade btoc: below top of casing <br />Survey of wells completed by Condor and via coordinate datuem NAD83(1986) and vertical datum NAVD88 from GPS observations. <br />W-8 <br />Well Destroyed <br />10 -20 feet 17.02