USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

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St. Charles County, Missouri

Latitude 38°50'13", Longitude 90°40'36" NAD27

Land-surface elevation 437 feet above NGVD29

The depth of the well is 47.0 feet below land surface.

The depth of the hole is 47.0 feet below land surface.

This well is completed in the Mississippi River Valley alluvial aquifer (N100MSRVVL) national aquifer.

This well is completed in the Holocene Alluvium (111ALVM) 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
1967-11-08	D	62610		418.40	NGVD29	1	T	USGS	S	A
1967-11-08	D	62611		418.29	NAVD88	1	T	USGS	S	A
1967-11-08	D	72019	18.60			1	T	USGS	S	A
1968-07-31	D	62610		424.63	NGVD29	1	T	USGS	S	A
1968-07-31	D	62611		424.52	NAVD88	1	T	USGS	S	A
1968-07-31	D	72019	12.37			1	T	USGS	S	A
1969-04-29	D	62610		432.80	NGVD29	1	T	USGS	S	A
1969-04-29	D	62611		432.69	NAVD88	1	T	USGS	S	A
1969-04-29	D	72019	4.20			1	T	USGS	S	A
1970-09-10	D	62610		425.49	NGVD29	1	T	USGS	S	A
1970-09-10	D	62611		425.38	NAVD88	1	T	USGS	S	A
1970-09-10	D	72019	11.51			1	T	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	T	Electric-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: 2024-06-01 14:24:22 EDT
0.28 0.22 nadww02