UMAT 59430

Well Information

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Identification
Type of Report:	Water Well
Type of Work:	NEW
Well Report:	UMAT 59430 View Log Groundwater Site
Well Label:	155733
Start Card:	1077139
Original Report:
Owner Well Nbr:	ASR-3
Company Job Nbr:
Primary Use:	INDUSTRIAL , OTHER - ASR
Complete Date:	10/08/2025

Land Owner
Name:
Company:	CITY OF HERMISTON
Address:	180 NE 2ND ST HERMISTON, OR 97838

Location

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Latitude/Longitude
Latitude:	45.80654900
Longitude:	-119.27279600
Horiz. Error:	99.00 ft.

Location
County:	UMAT
TRSQQ:	WM4.00N28.00E23SESE
Tax Map:
Tax Lot:	210
Lot:
Block:
Subdivision:
Street of Well:	INTERSECTION OF FEEDVILLE RD TO THE SOUTH AND SE 9TH ST TO THE WEST. H
WM District:	5
Surface Elev:	644.35 FT
	Well Report Mapping Tool

Tax Lots

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Well Construction

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Construction
Start Date:	04/28/2025
Completed Date:	10/08/2025
Drill Method:	Reverse Rotary
Depth of Completed Well:	1390.00
Est. Depth Drilled:	1390.00
Special Standards:
Seal Placed Method:	A
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

Row	Diameter (in)	From (ft)	To (ft)
1	36.00	0.00	40.00
2	28.00	40.00	695.00
3	23.00	695.00	712.00
4	16.00	712.00	1390.00

Seal

Row	Material	From (ft)	To (ft)	Amount	Amount Calc.
1	Cement	0.00	690.00	1020.00	800.00

Abandonment Log

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Casing/Liner

Row	Casing/Liner	Diameter (in)	Above Land Surface	From Depth	To (ft)	Gauge	Material	Weld	Shoe Other	Shoe Location
1	Casing	30.00		0.00	40.00	0.500 - Gauge	Steel	●
2	Casing	24.00	●	2.00	438.00	0.375 - Gauge	Steel	●
3	Casing	24.00		438.00	690.00	0.500 - Gauge	Steel	●	●	690.00
4	Liner	12.00		674.00	684.00	0.375 - Gauge	Steel	●
5	Liner	12.00		1004.00	1030.00	0.375 - Gauge	Steel	●

Temporary Casing

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Perforations

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Screens

Row	Type	Material	Casing/Liner	Diameter (in)	Gauge	From (ft)	To (ft)	Screen Size	Slot Size	Nbr of Slots	Telescope/ Pipe size
1	WIRE WRAP	STAINLESS STEEL	Liner	12.00		684.00	1004.00	0.125			Pipe Size
2	WIRE WRAP	STAINLESS STEEL	Liner	12.00		1030.00	1390.00	0.125			Pipe Size

Well Test

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Well Test
Temperature:	76 F
Lab Analysis:
Lab Analysis Done By:	Anatek
Total Dissolved Solids:	312.00 mg/L
Water Quality Concerns:

Well Test

Test Type	Yield (gpm)	Drawdown	Drill Stem/ Pump Depth	Duration (hr)	Calculated Specific Capacity (gpm/ft)
Pump	1875.0	39.0	645.00	19.0	48.08

Analysis

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Static Water Level

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Static Water Level
Depth First Water:	203.00
Pre-Static Water Level:
Pre-Static Water Level Date:
Post-Static Water Level:	420.00
Post-Static Water Level Date:	10/08/2025

Static Water Level

Row	Date	From(ft)	To(ft)	SWL	Est. Flow Rate
1	5/9/2025	203.00	220.00	72.00	1.0
2	5/21/2025	525.00	532.00	169.00	1.0
3	5/29/2025	594.00	596.00	137.00	1.0
4	7/31/2025	700.00	712.00	420.00	1.0

Lithology

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Material

Row	From	To	Material
1	0.00	96.00	SILTY SAND W/ SOME GRAVEL - BR
2	96.00	107.00	SILTY CLAY - BR
3	107.00	141.00	SAND SILT - BR
4	141.00	162.00	SAND AND GRAVEL - BR
5	162.00	203.00	SANDY SILT/SILTY SAND WITH GRAVEL- BR
6	203.00	220.00	BASALT - SOFT WITH GREEN CLAYSTONE - GR
7	220.00	291.00	BASALT - HARD - GR
8	291.00	354.00	BASALT - MEDIUM - VESICULAR W/ GREEN CLAYSTONE -GR
9	354.00	359.00	CLAYEY SILT - GR
10	359.00	429.00	BASALT - MEDIUM W/ SOME GREEN CLAYSTONE - GR
11	429.00	448.00	BASALT - HARD - GR
12	448.00	455.00	BASALT - MEDIUM W/GREEN CLAYSTONE - GR
13	455.00	482.00	BASALT - MEDIUM
14	482.00	502.00	BASALT - MEDIUM/SOFT - BROKEN - GR
15	502.00	525.00	BASALT - HARD - GR
16	525.00	532.00	BASALT - SOFT - VESICULAR W/ GREEN CLAYSTONE - GR
17	532.00	549.00	BASALT - MEDIUM/HARD - GR
18	549.00	556.00	BASALT - SOFT W/ CLAYSTONE - BROKEN - VESIC - GR/R
19	556.00	567.00	BASALT - MEDIUM - GR
20	567.00	572.00	BASALT - SOFT - GR AND BR
21	572.00	639.00	BASALT - MEDIUM - OCC CLAYSTONE LAYERS - GR
22	639.00	642.00	BASALT - SOFT - VESICULAR W/ GREEN CLAYSTONE - GR
23	642.00	686.00	BASALT - MEDIUM - OCC CLAYSTONE LAYERS - GR
24	686.00	700.00	BASALT - MEDIUM TO HARD - GR
25	700.00	712.00	BASALT - SOFT - VESICULAR W/ GREEN CLAYSTONE - GR
26	712.00	714.00	BASALT - MEDIUM - GR
27	714.00	722.00	BASALT - SOFT - BROKEN W/ GREEN CLAYSTONE - GR
28	722.00	803.00	BASALT - HARD - GR
29	803.00	818.00	BASALT - SOFT - VESICULAR W/ GREEN CLAYSTONE - GR
30	818.00	992.00	BASALT - HARD - GR
31	992.00	1004.00	BASALT - SOFT - VESICULAR W/ GREEN CLAYSTONE - GR
32	1004.00	1007.00	BASALT - MEDIUM - GR
33	1007.00	1031.00	BASALT - SOFT - VESICULAR W/ GREEN CLAYSTONE - GR
34	1031.00	1195.00	BASALT - MED/HARD W/ GREEN CLAYSTONE LAYERS- GR
35	1195.00	1222.00	BASALT - SOFT - VESICULAR W/ GREEN CLAYSTONE - GR
36	1222.00	1283.00	BASALT - MEDIUM/HARD - GR
37	1283.00	1316.00	BASALT - HARD - GR
38	1316.00	1324.00	BASALT - SOFT W/GR CLAYSTONE AND WHITE CALCITE -GR
39	1324.00	1330.00	BASALT - SOFT - GR
40	1330.00	1366.00	BASALT - MEDIUM - VESICULAR W/ GREEN CLAYSTONE -GR
41	1366.00	1390.00	BASALT - HARD - GR

Well Constructor

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Bonded Driller Name:	CHAD GREGORY
Bonded Driller Company:	GREGORY DRILLING INC
Bonded Driller Number:	1824
Bonded Date Signed:	12/04/2025

Unbonded Name:
Unbonded Company:
Unbonded Number:
Unbonded Date Signed:
Other Name:
Other Affiliation:
Other License Nbr:

Geologist Engineer:

Comments

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Comments
Well drilled by Flooded Reverse method. No flow tests were done in zones where static water level changed. J-Hook installed at 674'

Documents

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Title	Document Type	Source	Download Image	Received Date
Pad photo	DIAGRAM	DRILLER	Image	12/4/2025
UMAT 59430	EXEMPT USE MAP	DRILLER	Image	12/4/2025
Special Standards Request	REQUEST FORM	DRILLER	Image	12/4/2025
After-the-Fact Special Standards Approval	SPECIAL STANDARD FINAL ORDER	OWRD	Image	12/4/2025
UMAT 59430	WELL REPORT	DRILLER	Image	12/4/2025

Oregon Water Resources Department
Well Log Information System

Well Log: UMAT 59430

Oregon Water Resources Department Well Log Information System

Well Log: UMAT 59430

Oregon Water Resources Department
Well Log Information System