WORK PLANS - Laserfiche WebLink

Home Browse Search

State of California Well Completion Report Form DWR 188 Submitted 11/28/2023 WCR2023-012871 Owner's Well Number MW551 B Date Work Began 10/20/2023 Local Permit Agency San Joaquin County Environmental Health Department Secondary Permit Agency Permit Number 0044897 Well Owner (must remain confidential pursuant to Water Code 13752) Name CONFLUENCE TECHNICAL SERVICES INC, Mailing Address 6821 8th Street City Rio Linda State CA Zip 95673 Well Location Date Work Ended 10/21/2023 Permit Date 09/25/2023 Planned Use and Activity Activity New Well Planned Use Monitoring Address 13395 Englewood WAY APN City Lathrop Zip 95330 County San Joaquin Township 01 S Latitude 37 50 23.9762 N Longitude -121 16 35.2387 W Range 06 E Section 23 Deg. Min. Sec. Deg. Min. Sec. Baseline Meridian Mount Diablo Dec. Lat. 37.8399934 Dec. Long. -121.2764552 Ground Surface Elevation 1 Vertical Datum NAVD88 Horizontal Datum WGS84 Elevation Accuracy 1 Ft Location Accuracy Location Determination Elevation Determination Method Other Method Borehole Information Depth from Surface Feet to Feet Water Level and Yield of Completed Well Orientation Vertical Specify Depth to first water (Feet below surface) 5 10 Depth to Static Drilling Method Auger Drilling Fluid None Silty sand 70% fine sand 30% silt. Brown 10 yr 5/3 dry, non -plastic, non -cohesive laminated. 15 20 Water Level (Feet) Date Measured Estimated Yield" (GPM) Test Type 20 Total Depth of Boring 78 Feet 25 30 Silty sand 85% fine sand 15% silt brown, 10 yr 5/3 moist, non -cohesive. Test Length (Hours) Total Drawdown (feet) Total Depth of Completed Well 76 Feet •May not be representative of a well's long term yield. Geologic Log - Free Form Depth from Surface Feet to Feet Description 0 5 Silt grayish brown 2.5y 5/2 dry non -plastic non -cohesive 5 10 with trace clay 95% silt 5% clay. Brown 10Y 5/3 dry non -plastic non -cohesive. 10 15 Silty sand 70% fine sand 30% silt. Brown 10 yr 5/3 dry, non -plastic, non -cohesive laminated. 15 20 Lean clay with sand 85% clay 15% fine sand brown 10 yr 5/3 cohesive, laminated. 20 25 Clayey sand 70% fine sand 30% clay brown 10yr 5/3 cohesive, laminated. 25 30 Silty sand 85% fine sand 15% silt brown, 10 yr 5/3 moist, non -cohesive. 30 35 Silty sand 70% fine sand 30% silt brown 10 yr 4/3 moist non -plastic, cohesive. 35 60 Silty sand 70% fine sand 30% silt. Pale brown 10 yr 6/3 moist, non -plastic non -cohesive. 60 65 Fat clay with trace fine sand 90% clay 10% fine sand, pale brown 10 yr 6/3. Moist high plasticity cohesive mottled with streaks of strong brown 7.5yr 5/6 and nodes of black (Gley 1 2.5N). 65 75 Well graded sand (medium to fine grain sizes dark gray, moist non -plastic non -cohesive 75 78 Lean clay with sand 70% clay 30% fine sand. Dark grenish gray dry medium plasticity, cohesive, laminated. Form DWR 188 rev. 12/19/2017 Page 1 of 2