USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

Stillwater County, Montana

Latitude 46°02'58", Longitude 109°06'35" NAD27

Land-surface elevation 4,150 feet above NGVD29

The depth of the well is 110 feet below land surface.

This well is completed in the Colorado Group (211CLRD) 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
1976-07-01	D	62610		4130.12	NGVD29	1	S	USGS	S	A
1976-07-01	D	62611		4133.09	NAVD88	1	S	USGS	S	A
1976-07-01	D	72019	19.88			1	S	USGS	S	A
1977-07-01	D	62610		4130.90	NGVD29	1	S	USGS	S	A
1977-07-01	D	62611		4133.87	NAVD88	1	S	USGS	S	A
1977-07-01	D	72019	19.10			1	S	USGS	S	A
1978-07-25	D	62610		4132.20	NGVD29	1	S	USGS	S	A
1978-07-25	D	62611		4135.17	NAVD88	1	S	USGS	S	A
1978-07-25	D	72019	17.80			1	S	USGS	S	A
1979-04-21	D	62610		4133.05	NGVD29	1	S	USGS	S	A
1979-04-21	D	62611		4136.02	NAVD88	1	S	USGS	S	A
1979-04-21	D	72019	16.95			1	S	USGS	S	A
1979-08-16	D	62610		4132.00	NGVD29	1	S	USGS	S	A
1979-08-16	D	62611		4134.97	NAVD88	1	S	USGS	S	A
1979-08-16	D	72019	18.00			1	S	USGS	S	A
1979-11-03	D	62610		4132.61	NGVD29	1	S	USGS	S	A
1979-11-03	D	62611		4135.58	NAVD88	1	S	USGS	S	A
1979-11-03	D	72019	17.39			1	S	USGS	S	A
1980-03-17	D	62610		4132.52	NGVD29	1	S	USGS	S	A
1980-03-17	D	62611		4135.49	NAVD88	1	S	USGS	S	A
1980-03-17	D	72019	17.48			1	S	USGS	S	A
1980-05-27	D	62610		4132.43	NGVD29	1	S	USGS	S	A
1980-05-27	D	62611		4135.40	NAVD88	1	S	USGS	S	A
1980-05-27	D	72019	17.57			1	S	USGS	S	A
1980-09-03	D	62610		4132.01	NGVD29	1	S	USGS	S	A
1980-09-03	D	62611		4134.98	NAVD88	1	S	USGS	S	A
1980-09-03	D	72019	17.99			1	S	USGS	S	A
1980-11-26	D	62610		4132.51	NGVD29	1	S	USGS	S	A
1980-11-26	D	62611		4135.48	NAVD88	1	S	USGS	S	A
1980-11-26	D	72019	17.49			1	S	USGS	S	A
1981-03-30	D	62610		4131.93	NGVD29	1	S	USGS	S	A
1981-03-30	D	62611		4134.90	NAVD88	1	S	USGS	S	A
1981-03-30	D	72019	18.07			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: 2024-12-02 12:51:56 EST
0.33 0.23 nadww01