Well Information
(Click to Collapse...)
 
Identification
Type of Report: Water Well
Type of Work: NEW
Well Report: MARI 72200 View Log Groundwater Site
Well Label: 158764
Start Card: 1081470
Original Report:
Owner Well Nbr:
Company Job Nbr:
Primary Use: IRRIGATION
Complete Date: 06/25/2026
Land Owner
Name:
Company: GRASSMAN FARMING LLC
Address: 12783 RIVER RD NE

GERVAIS, OR 97026
Location
(Click to Collapse...)
 
Latitude/Longitude
Latitude: 45.10637000
Longitude: -122.97400000
Horiz. Error: 99.00 ft.
Location
County: MARI
TRSQQ: WM5.00S2.00W30NESE
Tax Map:
Tax Lot: 1400
Lot:
Block:
Subdivision:
Street of Well: ADJACENT TO AND SOUTH OF 12934 RIVER RD, GERVAIS, OR 97026
WM District: 16
Surface Elev: 181.37 FT
Well Report Mapping Tool
Tax Lots

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

Well Construction
(Click to Collapse...)
 
Construction
Start Date: 03/12/2026
Completed Date: 06/25/2026
Drill Method: Rotary Air
Depth of Completed Well: 326.00
Est. Depth Drilled: 326.00
Special Standards:
Seal Placed Method: C
Abandonment Start Date:
Abandonment Completed Date:
Backfill
Backfill Placement: ft to ft
Backfill Material:
Explosives Used:
Explosive Type:
Explosive Amount:
Filter Pack
Filter Pack: 174.00 ft to 326.00 ft
Filter Pack Material: GRAVEL
Filter Pack Size: 4/8
Bore Hole
RowDiameter (in)From (ft)To (ft)
116.000.0059.00
212.0059.00326.00
Seal
RowMaterialFrom (ft)To (ft)AmountAmount Calc.
1Cement0.0059.00177.0025.00
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
1Casing12.00 1.50 213.75 0.375 - Gauge Steel 174.00
2Liner10.00 174.00 215.75 0.250 - Gauge Steel 319.35
3Liner8.00 315.75 326.00 0.250 - Gauge Steel  
Temporary Casing
No data matches search criteria.
Perforations
No data matches search criteria.
Screens
Well Test
(Click to Expand...)
 
Well Test
Temperature: 54 F
Lab Analysis:
Lab Analysis Done By:
Total Dissolved Solids: 128.00 ppm
Water Quality Concerns:
Well Test
Analysis
No data matches search criteria.
Static Water Level
(Click to Expand...)
 
Static Water Level
Depth First Water: 20.00
Pre-Static Water Level:
Pre-Static Water Level Date:
Post-Static Water Level: 65.60
Post-Static Water Level Date: 06/25/2026
Static Water Level
RowDateFrom(ft)To(ft)SWLEst. Flow RatePSI
13/16/202620.0040.0010.3010.0 
23/25/2026209.00320.0038.502500.0 
Lithology
(Click to Expand...)
 
Material
RowFromToMaterialStatic Water Level
10.001.00SOIL 
21.0040.00CLAY TAN SANDY 
340.0060.00CLAY GREY MEDIUM 
460.0068.00PACKED SILT GREY 
568.0078.00SAND BLACK MEDIUM 
678.0090.00CLAY GREY STICKY 
790.00101.00SAND & GRAVEL 
8101.00105.00GRAVEL WITH CLAY 
9105.00125.00SAND & GRAVEL BROWN LOOSE 
10125.00147.00GRAVEL & SAND LOOSE SOME CEMENTED 
11147.00165.00CLAY BLUE 
12165.00188.00SAND BLACK 
13188.00189.00CEMENTED GRAVEL DRY 
14189.00197.00CLAY GREY 
15197.00200.00GRAVEL WITH SAND 
16200.00209.00SAND BLACK 
17209.00265.00SAND & GRAVEL BLACK & BLUE 
18265.00275.00CEMENTED GRAVEL WITH LENSES OF LOOSE GRAVEL 
19275.00282.00LARGE LOOSE GRAVEL 3" TO 5" CLEAN 
20282.00285.00CEMENTED GRAVEL VERY LITTLE WATER 
21285.00295.00CLAY GREY 
22295.00300.00SAND & GRAVEL MOSTLY SAND 
23300.00311.00GRAVEL & SAND MOSTLY GRAVEL 
24311.00320.00PACKED SAND & SILT BLACK 
25320.00326.00CLAY GREY 
Well Constructor
(Click to Expand...)
 
Bonded Driller Name: DANIEL STADELI
Bonded Driller Company: R STADELI & SONS WELL & PUMP INC
Bonded Driller Number: 1487
Bonded Date Signed: 07/22/2026
Unbonded Name: STADELI,BYRON B
Unbonded Company: WESTERBERG DRILLING INC
Unbonded Number: 1358
Unbonded Date Signed: 07/22/2026
Other Name:
Other Affiliation:
Other License Nbr:
Geologist Engineer:
Comments
(Click to Expand...)
 
Comments
12" casing with drive shoe cut off (316.75'-319.35'). 8" tail pipe has 3/8" welded plate bottom & 1 1/4" x 2.5" screen lift rods welded thru @ 12" above plate bottom. Top of 8" well screen & bottom of 10" riser has a machined full dia 10" x 8" welded concentric. Top of 10" riser has flush style drive shoe. 8" pipe size screen is extra heavy duty with 7.5" ID.
Documents
(Click to Expand...)
 
TitleDocument TypeSourceDownload ImageReceived Date
MARI 72200WELL REPORTDRILLERImage7/22/2026