USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

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Multnomah County, Oregon

Latitude 45°33'35.99", Longitude 122°29'17.00" NAD27

Land-surface elevation 23.00 feet above NGVD29

The depth of the well is 534 feet below land surface.

The depth of the hole is 534 feet below land surface.

Date	? Water-level date-time accuracy	? Parameter code	Water level, feet below land surface	Water level, feet above specific vertical datum	Referenced vertical datum	? Status	? Method of measurement	? Measuring agency	? Source of measurement	? Water-level approval status
1980-07-15	D	62610		34.00	NGVD29	1	O			A
1980-07-15	D	62611		37.43	NAVD88	1	O			A
1980-07-15	D	72019	-11.00			1	O			A
1982-05-03	D	62610		32.20	NGVD29	1	O	USGS	S	A
1982-05-03	D	62611		35.63	NAVD88	1	O	USGS	S	A
1982-05-03	D	72019	-9.20			1	O	USGS	S	A
1988-04-07	D	62610		20.80	NGVD29	1	S	USGS	S	A
1988-04-07	D	62611		24.23	NAVD88	1	S	USGS	S	A
1988-04-07	D	72019	2.20			1	S	USGS	S	A

**Explanation**
Section	Code	Description
Water-level date-time accuracy	D	Date is accurate to the Day
Parameter code	62610	Groundwater level above NGVD 1929, feet
Parameter code	62611	Groundwater level above NAVD 1988, feet
Parameter code	72019	Depth to water level, feet below land surface
Referenced vertical datum	NAVD88	North American Vertical Datum of 1988
Referenced vertical datum	NGVD29	National Geodetic Vertical Datum of 1929
Status	1	Static
Method of measurement	O	Observed.
Method of measurement	S	Steel-tape measurement.
Measuring agency		Not determined
Measuring agency	USGS	U.S. Geological Survey
Source of measurement		Not determined
Source of measurement	S	Measured by personnel of reporting agency.
Water-level approval status	A	Approved for publication -- Processing and review completed.

U.S. Department of the Interior | U.S. Geological Survey
Title: Groundwater for USA: Water Levels
URL: https://nwis.waterdata.usgs.gov/nwis/gwlevels?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2024-11-25 15:28:58 EST
0.35 0.23 nadww02