USGS Groundwater for New York: Water Levels -- 1 sites

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Groundwater levels for New York

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USGS 404310073331602 N 7797. 1

Nassau County, New York

Latitude 40°43'08", Longitude 73°33'21" NAD27

Land-surface elevation 80.0 feet above NGVD29

The depth of the well is 550 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 Magothy Aquifer (211MAGT) 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
1971-03-23	D	62610		50.25	NGVD29	P	O	USGS	S	A
1971-03-23	D	62611		49.08	NAVD88	P	O	USGS	S	A
1971-03-23	D	72019	29.75			P	O	USGS	S	A
1972-03-13	D	62610		48.14	NGVD29	1	O	USGS	S	A
1972-03-13	D	62611		46.97	NAVD88	1	O	USGS	S	A
1972-03-13	D	72019	31.86			1	O	USGS	S	A
1973-03-20	D	62610		54.36	NGVD29	1	O	USGS	S	A
1973-03-20	D	62611		53.19	NAVD88	1	O	USGS	S	A
1973-03-20	D	72019	25.64			1	O	USGS	S	A
1974-03-25	D	62610		49.80	NGVD29	1	O	USGS	S	A
1974-03-25	D	62611		48.63	NAVD88	1	O	USGS	S	A
1974-03-25	D	72019	30.20			1	O	USGS	S	A
1975-03-17	D	62610		50.38	NGVD29	1	O	USGS	S	A
1975-03-17	D	62611		49.21	NAVD88	1	O	USGS	S	A
1975-03-17	D	72019	29.62			1	O	USGS	S	A
1976-03-18	D	62610		51.90	NGVD29	1	O	USGS	S	A
1976-03-18	D	62611		50.73	NAVD88	1	O	USGS	S	A
1976-03-18	D	72019	28.10			1	O	USGS	S	A
1977-03-21	D	62610		45.35	NGVD29	1	O	USGS	S	A
1977-03-21	D	62611		44.18	NAVD88	1	O	USGS	S	A
1977-03-21	D	72019	34.65			1	O	USGS	S	A
1978-03-15	D	62610		48.97	NGVD29	1	O	USGS	S	A
1978-03-15	D	62611		47.80	NAVD88	1	O	USGS	S	A
1978-03-15	D	72019	31.03			1	O	USGS	S	A
1979-03-14	D	62610		51.41	NGVD29	1	O	USGS	S	A
1979-03-14	D	62611		50.24	NAVD88	1	O	USGS	S	A
1979-03-14	D	72019	28.59			1	O	USGS	S	A
1980-03-12	D	62610		50.76	NGVD29	1	O	USGS	S	A
1980-03-12	D	62611		49.59	NAVD88	1	O	USGS	S	A
1980-03-12	D	72019	29.24			1	O	USGS	S	A

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
Status	P	Pumping
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.