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)From (ft)To (ft)GaugeMaterialWeldGlueThreadShoe
Inside
Shoe
Outside
Shoe
Other
Shoe
Location
1C16.002.0082.00.375ST  
2C12.0068.00265.00.375ST  
3C12.00415.00425.00.375ST  
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: 173.0
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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Materal
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:
Geologist Date Signed:
Comments
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TypeComments
CN