USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

Nassau County, New York

Latitude 40°40'19", Longitude 73°36'02" NAD27

Land-surface elevation 24.0 feet above NGVD29

The depth of the well is 10 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 Glacial Aquifer, Upper (112GLCLU) 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
1978-08-24		D	62610		18.22	NGVD29	1	O	USGS	S	A
1978-08-24		D	62611		17.08	NAVD88	1	O	USGS	S	A
1978-08-24		D	72019	5.78			1	O	USGS	S	A
1978-10-24		D	62610		17.85	NGVD29	1	O	USGS	S	A
1978-10-24		D	62611		16.71	NAVD88	1	O	USGS	S	A
1978-10-24		D	72019	6.15			1	O	USGS	S	A
1978-11-21		D	62610		18.58	NGVD29	1	O	USGS	S	A
1978-11-21		D	62611		17.44	NAVD88	1	O	USGS	S	A
1978-11-21		D	72019	5.42			1	O	USGS	S	A
1978-12-28		D	62610		18.36	NGVD29	1	O	USGS	S	A
1978-12-28		D	62611		17.22	NAVD88	1	O	USGS	S	A
1978-12-28		D	72019	5.64			1	O	USGS	S	A
1979-03-21		D	62610		19.33	NGVD29	1	O	USGS	S	A
1979-03-21		D	62611		18.19	NAVD88	1	O	USGS	S	A
1979-03-21		D	72019	4.67			1	O	USGS	S	A
1979-04-19		D	62610		18.99	NGVD29	1	O	USGS	S	A
1979-04-19		D	62611		17.85	NAVD88	1	O	USGS	S	A
1979-04-19		D	72019	5.01			1	O	USGS	S	A
1979-05-23		D	62610		18.90	NGVD29	1	O	USGS	S	A
1979-05-23		D	62611		17.76	NAVD88	1	O	USGS	S	A
1979-05-23		D	72019	5.10			1	O	USGS	S	A
1983-09-21	13:10 UTC	m	62610		16.77	NGVD29	1	O	USGS	S	A
1983-09-21	13:10 UTC	m	62611		15.63	NAVD88	1	O	USGS	S	A
1983-09-21	13:10 UTC	m	72019	7.23			1	O	USGS	S	A
1983-10-23	14:30 UTC	m	62610		16.98	NGVD29	1	O	USGS	S	A
1983-10-23	14:30 UTC	m	62611		15.84	NAVD88	1	O	USGS	S	A
1983-10-23	14:30 UTC	m	72019	7.02			1	O	USGS	S	A
1984-10-16	15:10 UTC	m	62610		17.51	NGVD29	1	O	USGS	S	A
1984-10-16	15:10 UTC	m	62611		16.37	NAVD88	1	O	USGS	S	A
1984-10-16	15:10 UTC	m	72019	6.49			1	O	USGS	S	A
1985-05-15	17:01 UTC	m	62610		17.35	NGVD29	1	O	USGS	S	A
1985-05-15	17:01 UTC	m	62611		16.21	NAVD88	1	O	USGS	S	A
1985-05-15	17:01 UTC	m	72019	6.65			1	O	USGS	S	A

**Explanation**
Section	Code	Description
Water-level date-time accuracy	D	Date is accurate to the Day
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	O	Observed.
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: 2024-12-21 11:40:16 EST
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