USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

Big Horn County, Montana

Latitude 45°10'16", Longitude 106°17'49" NAD27

Land-surface elevation 3,735 feet above NGVD29

The depth of the well is 14.7 feet below land surface.

The depth of the hole is 15.0 feet below land surface.

This well is completed in the Quaternary Alluvium (110ALVM) 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
1980-10-06	D	62610		3728.90	NGVD29	1	S	USGS	S	A
1980-10-06	D	62611		3731.24	NAVD88	1	S	USGS	S	A
1980-10-06	D	72019	6.10			1	S	USGS	S	A
1983-09-15	D	62610		3727.25	NGVD29	1	S	USGS	S	A
1983-09-15	D	62611		3729.59	NAVD88	1	S	USGS	S	A
1983-09-15	D	72019	7.75			1	S	USGS	S	A
1984-10-13	D	62610		3726.93	NGVD29	1	S	USGS	S	A
1984-10-13	D	62611		3729.27	NAVD88	1	S	USGS	S	A
1984-10-13	D	72019	8.07			1	S	USGS	S	A
1985-10-22	D	62610		3727.77	NGVD29	1	S	USGS	S	A
1985-10-22	D	62611		3730.11	NAVD88	1	S	USGS	S	A
1985-10-22	D	72019	7.23			1	S	USGS	S	A
1986-10-09	D	62610		3728.33	NGVD29	1	S	USGS	S	A
1986-10-09	D	62611		3730.67	NAVD88	1	S	USGS	S	A
1986-10-09	D	72019	6.67			1	S	USGS	S	A
1987-09-25	D	62610		3727.41	NGVD29	1	S	USGS	S	A
1987-09-25	D	62611		3729.75	NAVD88	1	S	USGS	S	A
1987-09-25	D	72019	7.59			1	S	USGS	S	A
1988-09-28	D	62610		3726.37	NGVD29	1	S	USGS	S	A
1988-09-28	D	62611		3728.71	NAVD88	1	S	USGS	S	A
1988-09-28	D	72019	8.63			1	S	USGS	S	A
1989-09-22	D	62610		3725.32	NGVD29	1	S	USGS	S	A
1989-09-22	D	62611		3727.66	NAVD88	1	S	USGS	S	A
1989-09-22	D	72019	9.68			1	S	USGS	S	A
1990-09-21	D	62610		3726.00	NGVD29	1	S	USGS	S	A
1990-09-21	D	62611		3728.34	NAVD88	1	S	USGS	S	A
1990-09-21	D	72019	9.00			1	S	USGS	S	A
1991-09-10	D	62610		3725.00	NGVD29	1	S	USGS	S	A
1991-09-10	D	62611		3727.34	NAVD88	1	S	USGS	S	A
1991-09-10	D	72019	10.00			1	S	USGS	S	A
1992-09-01	D	62610		3724.13	NGVD29	1	S	USGS	S	A
1992-09-01	D	62611		3726.47	NAVD88	1	S	USGS	S	A
1992-09-01	D	72019	10.87			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	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: 2025-07-09 14:49:24 EDT
0.43 0.36 nadww01