USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

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Lewis And Clark County, Montana

Latitude 46°38'27", Longitude 111°49'04" NAD27

Land-surface elevation 3,820 feet above NGVD29

The depth of the well is 112 feet below land surface.

The depth of the hole is 112 feet below land surface.

This well is completed in the Sediments (120SDMS) local aquifer.

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
1998-10-08	D	62610		3790.19	NGVD29	P	S	USGS	S	A
1998-10-08	D	62611		3793.46	NAVD88	P	S	USGS	S	A
1998-10-08	D	72019	29.81			P	S	USGS	S	A
1999-03-30	D	62610		3775.02	NGVD29	1	S	USGS	S	A
1999-03-30	D	62611		3778.29	NAVD88	1	S	USGS	S	A
1999-03-30	D	72019	44.98			1	S	USGS	S	A
1999-05-19	D	62610		3772.87	NGVD29	P	S	USGS	S	A
1999-05-19	D	62611		3776.14	NAVD88	P	S	USGS	S	A
1999-05-19	D	72019	47.13			P	S	USGS	S	A
1999-08-05	D	62610		3783.63	NGVD29	1	S	USGS	S	A
1999-08-05	D	62611		3786.90	NAVD88	1	S	USGS	S	A
1999-08-05	D	72019	36.37			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
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: 2025-01-10 12:56:05 EST
0.34 0.24 nadww02