MULT 143922

Well Information

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Identification
Type of Report:	Water Well
Type of Work:	NEW
Well Report:	MULT 143922 View Log Groundwater Site
Well Label:	136259
Start Card:	1072972
Original Report:
Owner Well Nbr:	IW-01
Company Job Nbr:
Primary Use:	INDUSTRIAL , THERMAL
Complete Date:	09/29/2025

Land Owner
Name:
Company:	PORT OF PORTLAND
Address:	7200 N.E. AIRPORT WAY PORTLAND, OR 97218

Location

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Latitude/Longitude
Latitude:	45.58375000
Longitude:	-122.57820000
Horiz. Error:	99.00 ft.

Location
County:	MULT
TRSQQ:	WM1.00N2.00E8NESE
Tax Map:
Tax Lot:	00400
Lot:
Block:
Subdivision:
Street of Well:	8171 NE AIRPORT WAY FRONTAGE RD
WM District:	20
Surface Elev:
	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:	03/18/2024
Completed Date:	09/29/2025
Drill Method:	OTHER - DUAL ROTARY FRC
Depth of Completed Well:	445.00
Est. Depth Drilled:	460.00
Special Standards:
Seal Placed Method:	C
Abandonment Start Date:
Abandonment Completed Date:

Backfill
Backfill Placement:	445.00 ft to 460.00 ft
Backfill Material:
Explosives Used:
Explosive Type:
Explosive Amount:

Filter Pack
Filter Pack:	225.00 ft to 340.00 ft
Filter Pack Material:	SAND
Filter Pack Size:	8X16

Bore Hole

Row	Diameter (in)	From (ft)	To (ft)
1	20.00	0.00	155.00
2	16.00	155.00	380.00
3	12.75	380.00	460.00

Seal

Row	Material	From (ft)	To (ft)	Amount	Amount Calc.
1	Bentonite Chips	0.00	12.50	32.00	24.00
2	Cement	12.50	28.00	27.00	18.35
3	Bentonite Chips	28.00	38.00	32.00	19.00
4	Cement	38.00	225.00	462.00	190.00

Abandonment Log

No data matches search criteria.

Casing/Liner

Row	Casing/Liner	Diameter (in)	Above Land Surface	From Depth	To (ft)	Gauge	Material	Weld
1	Casing	14.00	●	2.50	3.50	0.500 - Gauge	Steel	●
2	Casing	12.75		3.50	265.00	0.375 - Gauge	Steel	●
3	Liner	8.63		252.00	255.00	0.312 - Gauge	Steel	●
4	Liner	8.63		440.00	445.00	0.312 - Gauge	Steel	●

Temporary Casing

Temp Casing	Diameter (in)	From (ft)	To (ft)
●	20.00	-2.00	225.00

Perforations

No data matches search criteria.

Screens

Row	Type	Material	Casing/Liner	Diameter (in)	From (ft)	To (ft)	Screen Size	Telescope/ Pipe size
1	V-WIRE WRAP	304 SS	Liner	8.63	255.00	260.00	0.055	Pipe Size
2	V-WIRE WRAP	304 SS	Liner	8.63	260.00	265.00	0.000	Pipe Size
3	V-WIRE WRAP	304 SS	Liner	8.63	265.00	340.00	0.055	Pipe Size
4	V-WIRE WRAP	304 SS	Liner	8.63	340.00	375.00	0.000	Pipe Size
5	V-WIRE WRAP	304 SS	Liner	8.63	375.00	405.00	0.040	Pipe Size
6	V-WIRE WRAP	304 SS	Liner	8.63	405.00	410.00	0.000	Pipe Size
7	V-WIRE WRAP	304 SS	Liner	8.63	410.00	420.00	0.040	Pipe Size
8	V-WIRE WRAP	304 SS	Liner	8.63	420.00	425.00	0.000	Pipe Size
9	V-WIRE WRAP	304 SS	Liner	8.63	425.00	440.00	0.040	Pipe Size

Well Test

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Well Test
Temperature:	63 F
Lab Analysis:
Lab Analysis Done By:	GSI Water Solutions
Total Dissolved Solids:	85.00 mg/L
Water Quality Concerns:

Well Test

Test Type	Yield (gpm)	Drawdown	Drill Stem/ Pump Depth	Duration (hr)	Calculated Specific Capacity (gpm/ft)
Pump	477.0	22.0	100.00	1.0	21.68

Analysis

No data matches search criteria.

Static Water Level

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Static Water Level
Depth First Water:	10.00
Pre-Static Water Level:
Pre-Static Water Level Date:
Post-Static Water Level:	20.35
Post-Static Water Level Date:	10/14/2025

Static Water Level

Row	Date	From(ft)	To(ft)	SWL	Est. Flow Rate	PSI
1	12/12/2024	280.00	440.00	10.31	750.0
2	12/12/2024	10.00	240.00	10.31	100.0

Lithology

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Material

Row	From	To	Material	Static Water Level
1	0.00	460.00	SEE ATTACHED AS BUILT WITH FORMATION LOG

Well Constructor

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Bonded Driller Name:	ROBERT STADELI
Bonded Driller Company:	HOLT SERVICES INC
Bonded Driller Number:	1523
Bonded Date Signed:	10/14/2025

Unbonded Name:	SANDY,DAVID
Unbonded Company:	HOLT SERVICES INC
Unbonded Number:	2040
Unbonded Date Signed:	10/14/2025
Other Name:
Other Affiliation:
Other License Nbr:

Geologist Engineer:

Comments

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Comments
Well includes Maas Midwest 14-inch Pitless Unit with 14 x 12 reducer. Additional temporary casing installed and removed. 16-inch from + 2 to 380 and 12-inch from 265 to 460

Documents

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Title	Document Type	Source	Download Image	Received Date
MULT 143922	WELL REPORT	DRILLER	Image	10/14/2025

Oregon Water Resources Department
Well Log Information System

Well Log: MULT 143922

Oregon Water Resources Department Well Log Information System

Well Log: MULT 143922

Oregon Water Resources Department
Well Log Information System