USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

Suffolk County, New York

Latitude 40°47'30", Longitude 72°55'30" NAD27

Land-surface elevation 39.0 feet above NGVD29

The depth of the well is 34 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
1983-04-27	16:30 UTC	m	62610		21.91	NGVD29	1	O	USGS	S	A
1983-04-27	16:30 UTC	m	62611		20.86	NAVD88	1	O	USGS	S	A
1983-04-27	16:30 UTC	m	72019	17.09			1	O	USGS	S	A
1987-12-08	15:25 UTC	m	62610		18.94	NGVD29	1	O	USGS	S	A
1987-12-08	15:25 UTC	m	62611		17.89	NAVD88	1	O	USGS	S	A
1987-12-08	15:25 UTC	m	72019	20.06			1	O	USGS	S	A
1989-04-13	15:45 UTC	m	62610		19.57	NGVD29	1	O	USGS	S	A
1989-04-13	15:45 UTC	m	62611		18.52	NAVD88	1	O	USGS	S	A
1989-04-13	15:45 UTC	m	72019	19.43			1	O	USGS	S	A
1989-06-08	09:00 UTC	m	62610		22.07	NGVD29	1	O	USGS	S	A
1989-06-08	09:00 UTC	m	62611		21.02	NAVD88	1	O	USGS	S	A
1989-06-08	09:00 UTC	m	72019	16.93			1	O	USGS	S	A
1989-07-14		D	62610		22.46	NGVD29	1	O	USGS	S	A
1989-07-14		D	62611		21.41	NAVD88	1	O	USGS	S	A
1989-07-14		D	72019	16.54			1	O	USGS	S	A
1989-10-30		D	62610		21.58	NGVD29	1	O	USGS	S	A
1989-10-30		D	62611		20.53	NAVD88	1	O	USGS	S	A
1989-10-30		D	72019	17.42			1	O	USGS	S	A
1989-11-01		D	62610		22.76	NGVD29	1	O	USGS	S	A
1989-11-01		D	62611		21.71	NAVD88	1	O	USGS	S	A
1989-11-01		D	72019	16.24			1	O	USGS	S	A
1989-11-13		D	62610		22.73	NGVD29	1	O	USGS	S	A
1989-11-13		D	62611		21.68	NAVD88	1	O	USGS	S	A
1989-11-13		D	72019	16.27			1	O	USGS	S	A
1990-01-17		D	62610		22.50	NGVD29	1	O	USGS	S	A
1990-01-17		D	62611		21.45	NAVD88	1	O	USGS	S	A
1990-01-17		D	72019	16.50			1	O	USGS	S	A
1990-03-28		D	62610		23.32	NGVD29	1	O	USGS	S	A
1990-03-28		D	62611		22.27	NAVD88	1	O	USGS	S	A
1990-03-28		D	72019	15.68			1	O	USGS	S	A
1990-06-20		D	62610		23.61	NGVD29	1	O	USGS	S	A
1990-06-20		D	62611		22.56	NAVD88	1	O	USGS	S	A
1990-06-20		D	72019	15.39			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: 2025-02-21 10:00:44 EST
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