USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

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Baltimore County, Maryland

Latitude 39°15'26", Longitude 76°24'56" NAD27

Land-surface elevation 20 feet above NGVD29

The depth of the well is 747 feet below land surface.

This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.

This well is completed in the Patuxent Formation (217PTXN) local aquifer.

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
2012-04-19	14:47 UTC	m	62610		-17.20	NGVD29	1	S	MD006	A	A
2012-04-19	14:47 UTC	m	62611		-18.09	NAVD88	1	S	MD006	A	A
2012-04-19	14:47 UTC	m	72019	37.20			1	S	MD006	A	A
2013-04-08	19:36 UTC	m	62610		-12.38	NGVD29	1	S	USGS	S	A
2013-04-08	19:36 UTC	m	62611		-13.27	NAVD88	1	S	USGS	S	A
2013-04-08	19:36 UTC	m	72019	32.38			1	S	USGS	S	A
2013-09-11	16:30 UTC	m	62610		-15.89	NGVD29	1	S	MD006	A	A
2013-09-11	16:30 UTC	m	62611		-16.78	NAVD88	1	S	MD006	A	A
2013-09-11	16:30 UTC	m	72019	35.89			1	S	MD006	A	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	1	Static
Method of measurement	S	Steel-tape measurement.
Measuring agency	MD006	Maryland Geological Survey
Measuring agency	USGS	U.S. Geological Survey
Source of measurement	A	Reported by another government agency (do not use "A" if reported by owner, use "O").
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: 2024-12-01 05:53:14 EST
0.34 0.23 nadww02