Well Information
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Identification
Type of Report: Water Well
Type of Work: NEW
Well Report: UMAT 59466 View Log Groundwater Site
Well Label: 155738
Start Card: 219111
Original Report:
Owner Well Nbr:
Company Job Nbr:
Primary Use: IRRIGATION
Complete Date: 03/06/2026
Land Owner
Name:
Company: ROZA PARTNERS LLC
Address: 64302 W COATS

PROSSER, WA 99353
Location
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Latitude/Longitude
Latitude: 45.88743700
Longitude: -119.24446500
Horiz. Error: 9.73 ft.
Location
County: UMAT
TRSQQ: WM5.00N29.00E30SWNW
Tax Map:
Tax Lot: 3200
Lot:
Block:
Subdivision:
Street of Well: OTT RD, HERMISTON 97838
WM District: 5
Surface Elev:
Well Report Mapping Tool
Tax Lots

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Well Construction
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Construction
Start Date: 12/15/2025
Completed Date: 03/06/2026
Drill Method: OTHER - EXCAVATOR
Depth of Completed Well: 19.00
Est. Depth Drilled:
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:
Filter Pack Material:
Filter Pack Size:
Bore Hole
Seal
RowMaterialFrom (ft)To (ft)AmountAmount Calc.
1Concrete0.0010.006.0043.40
Abandonment Log
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Casing/Liner
Temporary Casing
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Perforations
Screens
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Well Test
Temperature:
Lab Analysis:
Lab Analysis Done By:
Total Dissolved Solids:
Water Quality Concerns:
Well Test
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Analysis
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Static Water Level
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Static Water Level
Depth First Water: 8.00
Pre-Static Water Level:
Pre-Static Water Level Date:
Post-Static Water Level: 8.84
Post-Static Water Level Date: 03/06/2026
Static Water Level
RowDateFrom(ft)To(ft)SWLEst. Flow RatePSI
112/15/20258.0019.008.80  
Lithology
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Material
RowFromToMaterialStatic Water Level
10.0019.00SAND & GRAVEL 
Well Constructor
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Bonded Driller Name: LAND OWNER
Bonded Driller Company:
Bonded Driller Number: 999999
Bonded Date Signed: 03/06/2026
Unbonded Name: OWRD STAFF,
Unbonded Company: OWRD STAFF
Unbonded Number: 99999999
Unbonded Date Signed: 03/06/2026
Other Name:
Other Affiliation:
Other License Nbr:
Geologist Engineer:
Comments
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Comments
Corrugated steel culvert pre perforated and set on 12-15-25. Open pit pre-alteration.
Documents
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TitleDocument TypeSourceDownload ImageReceived Date
UMAT 59466EXEMPT USE MAPLAND OWNERImage3/6/2026
Paper Submittal ApprovalSPECIAL STANDARD FINAL ORDEROWRDImage3/6/2026
Special Standards ApprovalSPECIAL STANDARD FINAL ORDEROWRDImage3/6/2026
UMAT 59466WELL REPORTLANDOWNERImage3/6/2026