USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

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Benton County, Washington

Latitude 46°11'15.2", Longitude 119°48'49.5" NAD27

Land-surface elevation 720 feet above NGVD29

The depth of the well is 120 feet below land surface.

The depth of the hole is 120 feet below land surface.

Date	Time	? 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
2000-08-23	20:35 UTC	m	62610		639.45	NGVD29	P	S	USGS	S	A
2000-08-23	20:35 UTC	m	62611		642.82	NAVD88	P	S	USGS	S	A
2000-08-23	20:35 UTC	m	72019	80.55			P	S	USGS	S	A
2001-03-06	21:07 UTC	m	62610		637.70	NGVD29	P	S	USGS	S	A
2001-03-06	21:07 UTC	m	62611		641.07	NAVD88	P	S	USGS	S	A
2001-03-06	21:07 UTC	m	72019	82.30			P	S	USGS	S	A
2001-08-28	20:20 UTC	m	62610		637.17	NGVD29	P	S	USGS	S	A
2001-08-28	20:20 UTC	m	62611		640.54	NAVD88	P	S	USGS	S	A
2001-08-28	20:20 UTC	m	72019	82.83			P	S	USGS	S	A
2002-03-12	19:55 UTC	m	62610		636.81	NGVD29	P	S	USGS	S	A
2002-03-12	19:55 UTC	m	62611		640.18	NAVD88	P	S	USGS	S	A
2002-03-12	19:55 UTC	m	72019	83.19			P	S	USGS	S	A

**Explanation**
Section	Code	Description
Water-level date-time accuracy	m	Date is accurate to the Minute
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	P	Pumping
Method of measurement	S	Steel-tape measurement.
Measuring agency	USGS	U.S. Geological Survey
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: 2025-04-01 06:56:15 EDT
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