Well Information
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Identification
Type of Report: Water Well
Type of Work: NEW
Well Report: CLAC 66944 View Log Groundwater Site
Well Label: 41034
Start Card: 1009879
Original Report:
Owner Well Nbr: OLSON WELL
Company Job Nbr:
Primary Use: COMMUNITY
Complete Date: 06/21/2010
Land Owner
Name:
Company: RIVER GROVE WATER DISTRICT
Address: 17661 PILKINGTON ROAD

LAKE OSWEGO, OR 97034
Location
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Latitude/Longitude
Latitude: 45.38849316
Longitude: -122.71328968
Horiz. Error: 50.00 ft.
Location
County: CLAC
TRSQQ: WM2.00S1.00E20NENW
Tax Map: 21E20BA00101
Tax Lot: 101
Lot:
Block:
Subdivision:
Street of Well: 3600 OLSON CT., RIVERGROVE, OR. 97034
WM District: 18
Surface Elev: 285.03 FT
Well Report Mapping Tool
Tax Lots

Note: Tax lot overlay available only for a few counties.

Well Construction
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Construction
Start Date: 04/14/2010
Completed Date: 06/21/2010
Drill Method: Rotary Air
Depth of Completed Well: 425.00
Est. Depth Drilled: 425.00
Special Standards:
Seal Placed Method:
Abandonment Start Date:
Abandonment Completed Date:
Backfill
Backfill Placement: ft to ft
Backfill Material:
Explosives Used:
Explosive Type:
Explosive Amount:
Filter Pack
Filter Pack:
Filter Pack Material:
Filter Pack Size:
Bore Hole
RowDiameter (in)From (ft)To (ft)
120.000.0082.00
215.0082.00425.00
Seal
Abandonment Log
No data matches search criteria.
Casing/Liner
RowCasing/LinerDiameter (in)Above Land SurfaceFrom DepthTo (ft)GaugeMaterialWeldGlueThreadShoe
Inside
Shoe
Outside
Shoe
Other
Shoe
Location
1Casing16.00 2.00 82.00 .375 Steel  
2Casing12.00 68.00 265.00 .375 Steel  
3Casing12.00 415.00 425.00 .375 Steel  
Temporary Casing
No data matches search criteria.
Perforations
No data matches search criteria.
Screens
Well Test
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Well Test
Temperature: 56 F
Lab Analysis:
Lab Analysis Done By:
Total Dissolved Solids:
Water Quality Concerns:
Well Test
Analysis
No data matches search criteria.
Static Water Level
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Static Water Level
Depth First Water: 172.00
Pre-Static Water Level:
Pre-Static Water Level Date:
Post-Static Water Level: 173.00
Post-Static Water Level Date: 06/21/2010
Static Water Level
RowDateFrom(ft)To(ft)SWLEst. Flow RatePSI
25/13/2010172.00400.00 400.0175.000
Lithology
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Material
RowFromToMaterialStatic Water Level
10.0022.00SOILS WITH GRAVEL 
222.0027.00GRAVELS AND COBBLES 
327.0061.00WEATHERED RED AND BLACK ROCK 
461.0077.00WEATHERED RED ROCK 
577.0082.00FRACTURED BASALT 
682.0097.00HARD BASALT 
797.00100.00BROKEN BASALT 
8100.00117.00WEATHERED BASALT MULTI-COLOR 
9117.00121.00WEATHERED BASALT - HIGHLY WEATHERED (SOFT) 
10121.00140.00VASCULAR BASALT - WEATHERED 
11140.00190.00BROKEN BASALT 
12190.00195.00WHITE CLAY 
13195.00230.00BASALT FRACTURED 
14230.00242.00VASCULAR BASALT 
15242.00263.00VASCULAR BASALT RED AND BLACK 
16263.00289.00FRACTURE BASALT - BLACK 
17289.00295.00WEATHERED RED ROCK - VERY SOFT 
18295.00340.00BROKEN BASALT 
19340.00355.00BASALT - GREY - HARD 
20355.00360.00BROKEN RED BASALT 
21360.00400.00WEATHERED RED AND BLACK BASALT 
22400.00415.00BROKEN BASALT 
23415.00425.00HARD BASALT 
Well Constructor
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Bonded Driller Name: CHRIS HUMPHRIES
Bonded Driller Company: JENSEN DRILLING CO
Bonded Driller Number: 1796
Bonded Date Signed: 07/16/2010
Unbonded Name:
Unbonded Company:
Unbonded Number:
Unbonded Date Signed:
Other Name:
Other Affiliation:
Other License Nbr:
Geologist Engineer:
Comments
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Documents
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TitleDocument TypeSourceDownload Image
CLAC 66944WELL REPORTDRILLERImage