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Groundwater levels for the Nation

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USGS 404733073360701 N 7671. 1

Nassau County, New York
Latitude  40°47'33", Longitude  73°36'07" NAD27
Land-surface elevation 189.0 feet above NGVD29
The depth of the well is 154 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.
Output formats
Table of data
Tab-separated data
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Reselect period
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
1972-03-23 D62610 75.19NGVD291OUSGSSA
1972-03-23 D62611 74.09NAVD881OUSGSSA
1972-03-23 D72019113.81  1OUSGSSA
1972-07-19 D62610 74.94NGVD291OUSGSSA
1972-07-19 D62611 73.84NAVD881OUSGSSA
1972-07-19 D72019114.06  1OUSGSSA
1972-10-04 D62610 75.33NGVD291OUSGSSA
1972-10-04 D62611 74.23NAVD881OUSGSSA
1972-10-04 D72019113.67  1OUSGSSA
1972-12-19 D62610 76.47NGVD291OUSGSSA
1972-12-19 D62611 75.37NAVD881OUSGSSA
1972-12-19 D72019112.53  1OUSGSSA
1973-03-28 D62610 76.89NGVD291OUSGSSA
1973-03-28 D62611 75.79NAVD881OUSGSSA
1973-03-28 D72019112.11  1OUSGSSA
1973-06-29 D62610 75.11NGVD291OUSGSSA
1973-06-29 D62611 74.01NAVD881OUSGSSA
1973-06-29 D72019113.89  1OUSGSSA
1973-09-20 D62610 76.09NGVD291OUSGSSA
1973-09-20 D62611 74.99NAVD881OUSGSSA
1973-09-20 D72019112.91  1OUSGSSA
1973-12-26 D62610 75.26NGVD291OUSGSSA
1973-12-26 D62611 74.16NAVD881OUSGSSA
1973-12-26 D72019113.74  1OUSGSSA
1974-04-10 D62610 75.99NGVD291OUSGSSA
1974-04-10 D62611 74.89NAVD881OUSGSSA
1974-04-10 D72019113.01  1OUSGSSA
1974-06-19 D62610 75.69NGVD291OUSGSSA
1974-06-19 D62611 74.59NAVD881OUSGSSA
1974-06-19 D72019113.31  1OUSGSSA
1974-10-01 D62610 77.68NGVD291OUSGSSA
1974-10-01 D62611 76.58NAVD881OUSGSSA
1974-10-01 D72019111.32  1OUSGSSA
1974-12-16 D62610 78.36NGVD291OUSGSSA
1974-12-16 D62611 77.26NAVD881OUSGSSA
1974-12-16 D72019110.64  1OUSGSSA
1975-03-26 D62610 79.78NGVD291OUSGSSA
1975-03-26 D62611 78.68NAVD881OUSGSSA
1975-03-26 D72019109.22  1OUSGSSA
1975-07-08 D62610 81.41NGVD291OUSGSSA
1975-07-08 D62611 80.31NAVD881OUSGSSA
1975-07-08 D72019107.59  1OUSGSSA
1975-10-01 D62610 83.68NGVD291OUSGSSA
1975-10-01 D62611 82.58NAVD881OUSGSSA
1975-10-01 D72019105.32  1OUSGSSA
1975-12-18 D62610 82.28NGVD291OUSGSSA
1975-12-18 D62611 81.18NAVD881OUSGSSA
1975-12-18 D72019106.72  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
Status1Static
Method of measurementOObserved.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.