USGS Groundwater for USA: Water Levels -- 1 sites

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Groundwater levels for the Nation

Nassau County, New York

Latitude 40°43'19", Longitude 73°43'49" NAD27

Land-surface elevation 86.0 feet above NGVD29

The depth of the well is 60 feet below land surface.

The depth of the hole is 60 feet below land surface.

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
1979-06-01	D	62610		16.16	NGVD29	1	O	USGS	S	A
1979-06-01	D	62611		15.06	NAVD88	1	O	USGS	S	A
1979-06-01	D	72019	69.84			1	O	USGS	S	A
1979-09-19	D	62610		15.48	NGVD29	1	O	USGS	S	A
1979-09-19	D	62611		14.38	NAVD88	1	O	USGS	S	A
1979-09-19	D	72019	70.52			1	O	USGS	S	A
1979-12-04	D	62610		15.70	NGVD29	1	O	USGS	S	A
1979-12-04	D	62611		14.60	NAVD88	1	O	USGS	S	A
1979-12-04	D	72019	70.30			1	O	USGS	S	A
1980-03-21	D	62610		15.61	NGVD29	1	O	USGS	S	A
1980-03-21	D	62611		14.51	NAVD88	1	O	USGS	S	A
1980-03-21	D	72019	70.39			1	O	USGS	S	A
1980-05-30	D	62610		15.31	NGVD29	1	O	USGS	S	A
1980-05-30	D	62611		14.21	NAVD88	1	O	USGS	S	A
1980-05-30	D	72019	70.69			1	O	USGS	S	A
1980-09-02	D	62610		16.29	NGVD29	1	O	USGS	S	A
1980-09-02	D	62611		15.19	NAVD88	1	O	USGS	S	A
1980-09-02	D	72019	69.71			1	O	USGS	S	A
1980-12-15	D	62610		15.33	NGVD29	1	O	USGS	S	A
1980-12-15	D	62611		14.23	NAVD88	1	O	USGS	S	A
1980-12-15	D	72019	70.67			1	O	USGS	S	A
1981-03-03	D	62610		14.01	NGVD29	1	O	USGS	S	A
1981-03-03	D	62611		12.91	NAVD88	1	O	USGS	S	A
1981-03-03	D	72019	71.99			1	O	USGS	S	A
1981-06-18	D	62610		13.31	NGVD29	1	O	USGS	S	A
1981-06-18	D	62611		12.21	NAVD88	1	O	USGS	S	A
1981-06-18	D	72019	72.69			1	O	USGS	S	A
1981-10-08	D	62610		11.94	NGVD29	1	O	USGS	S	A
1981-10-08	D	62611		10.84	NAVD88	1	O	USGS	S	A
1981-10-08	D	72019	74.06			1	O	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	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: 2024-11-28 05:40:39 EST
0.32 0.24 nadww01