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State of California <br /> Well Completion Report <br /> Form DWR 188 Submitted <br /> WCR2026-004745 <br /> Owner's Well Number: WSM-17R Date Work Began: 03/16/2026 Date Work Ended: 03/16/2026 <br /> Local Permit Agency: San Joaquin County Environmental Health Department County: San Joaquin <br /> Secondary Permit Agency: Permit Number: WP2501336 Permit Date: 11/17/2025 <br /> Well Owner(must remain confidential pursuant to Water Code 13752) Planned Use and Activity <br /> Name: Clay Sorensen Activity: New Production or Monitoring <br /> Business Name: West Yost Well <br /> Address: 2235 Mercury Way suit 105 Planned Use: Monitoring <br /> City: Santa Rosa State: California Zip: 95407 <br /> Well Location <br /> Address: APN: 0251800 <br /> City: Zip: Township: Range: <br /> Latitude: 38 Deg.6 Min. 56.898 Sec. N Longitude: -121 Deg.20 Min.3.2532 Sec.W Section: BM: <br /> Ground Surface Elevation: <br /> Dec.Lat.: 38.115805 Dec.Long.: -121.334237 <br /> Location Accuracy: Horizontal Datum: Elevation Accuracy: <br /> Elevation Method: <br /> Location Method: <br /> Vertical Datum: <br /> Borehole Information Water Level and Yield of Completed Well <br /> Orientation: Vertical #of casings(Specify): 1 Depth to first water: 26(feet below surface) <br /> Drilling Method: Auger Drilling Fluid: None Depth to Static Water Level: 7 feet <br /> Total Depth of Boring: 57 feet Date Measured: 03/16/2026 <br /> Total Depth of Completed Well: 57 feet Estimated Yield*: Test Type: <br /> Test Length*: Total Drawdown: <br /> *May not be representative of a well's long term yield. <br /> Geologic Log- Free Form <br /> Depth from Surface <br /> (Feet to Feet) Description <br /> 0 4 Silty sand <br /> 4 8 Clayey Sand <br /> 8 18 Silty Sand <br /> 18 24 Poorly Graded Sand with Silt <br /> DWR Form 188 rev 10/09/2025 Page 1 of 3 <br />