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State of California <br />Well Completion Report <br />Form DWR 188 Submitted 7/28/2022 <br />WCR2022-008608 <br />Owner's Well Number Date Work Began 05/27/2020 <br />Local Permit Agency San Joaquin County Environmental Health Department <br />Secondary Permit Agency Permit Number WP0040748 <br />Well Owner (must remain confidential pursuant to Water Code 13752) <br />Name GERRIT HOFMAN <br />Mailing Address 4820 PERRIN RD <br />City MANTECA State CA Zip 95337 II <br />Well Location <br />Date Work Ended 06/12/2020 <br />Permit Date 04/22/2020 <br />Planned Use and Activity <br />Activity New Well <br />Planned Use Water Supply Irrigation - <br />Agriculture <br />Address 30003 S KASSON RD APN 255-270-530 <br />City TRACY Zip 95304 County San Joaquin Township 03S <br />Latitude 37 40 13.0583 N Longitude -121 16 49.3463 W Range 06 E <br />Section 14 <br />Deg. Min. Sec. Deg. Min. Sec. <br />Baseline Meridian Mount Diablo <br />Dec. Lat. 37.670294 Dec. Long. -121.280374 Ground Surface Elevation 56 <br />Vertical Datum Horizontal Datum WGS84 Elevation Accuracy Unknown <br />Location Accuracy >50 Ft Location Determination GPS Elevation Determination Method Digital Aerial Photo <br />Method <br />Borehole Information <br />Depth from <br />Surface <br />Feet to Feet <br />Water Level and Yield of Completed Well <br />Orientation Vertical <br />Specify <br />Depth to first water (Feet below surface) <br />CLAY <br />34 38 <br />Depth to Static <br />Drilling Method Direct Rotary Drilling Fluid <br />Bentonite <br />Water Level 91 (Feet) Date Measured 06/12/2020 <br />Estimated Yield' (GPM) Test Type Air Lift <br />GRAVEL <br />Total Depth of Boring 400 <br />Feet <br />Test Length (Hours) Total Drawdown (feet) <br />Total Depth of Completed Well 275 <br />Feet <br />May not be representative of a well's long term yield. <br />Geologic Log - Free Form <br />Depth from <br />Surface <br />Feet to Feet <br />Description <br />0 3 <br />TOP SOIL <br />3 34 <br />CLAY <br />34 38 <br />SAND <br />38 53 <br />CLAY <br />53 58 <br />GRAVEL <br />58 65 <br />CLAY <br />65 75 <br />SAND <br />75 87 <br />CLAY <br />87 118 <br />BLUE CLAY <br />118 124 <br />BLUE SAND <br />124 165 <br />BLUE CLAY <br />165 166 <br />BLUE SAND <br />166 173 <br />BLUE CLAY <br />173 180 <br />BROWN CLAY <br />Form DWR 188 rev. 12/19/2017 Page 1 of 2 <br />