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Groundwater levels for the Nation

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  • 404940073404902
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USGS 404940073404902 N 6116. 1

Nassau County, New York
Latitude  40°49'40", Longitude  73°40'49" NAD27
Land-surface elevation 157.0 feet above NGVD29
The depth of the well is 74 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.
Output formats
Table of 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
1956-12-26 D62610 93.39NGVD291OUSGSSA
1956-12-26 D62611 92.30NAVD881OUSGSSA
1956-12-26 D7201963.61  1OUSGSSA
1956-12-27 D62610 94.51NGVD291OUSGSSA
1956-12-27 D62611 93.42NAVD881OUSGSSA
1956-12-27 D7201962.49  1OUSGSSA
1957-01-04 D62610 110.96NGVD291OUSGSSA
1957-01-04 D62611 109.87NAVD881OUSGSSA
1957-01-04 D7201946.04  1OUSGSSA
1957-01-07 D62610 108.58NGVD291OUSGSSA
1957-01-07 D62611 107.49NAVD881OUSGSSA
1957-01-07 D7201948.42  1OUSGSSA
1957-01-09 D62610 108.35NGVD291OUSGSSA
1957-01-09 D62611 107.26NAVD881OUSGSSA
1957-01-09 D7201948.65  1OUSGSSA
1957-03-14 D62610 107.65NGVD291OUSGSSA
1957-03-14 D62611 106.56NAVD881OUSGSSA
1957-03-14 D7201949.35  1OUSGSSA
1957-04-24 D62610 108.24NGVD291OUSGSSA
1957-04-24 D62611 107.15NAVD881OUSGSSA
1957-04-24 D7201948.76  1OUSGSSA
1957-05-09 D62610 108.19NGVD291OUSGSSA
1957-05-09 D62611 107.10NAVD881OUSGSSA
1957-05-09 D7201948.81  1OUSGSSA
1957-07-05 D62610 108.39NGVD291OUSGSSA
1957-07-05 D62611 107.30NAVD881OUSGSSA
1957-07-05 D7201948.61  1OUSGSSA
1957-07-18 D62610 108.27NGVD291OUSGSSA
1957-07-18 D62611 107.18NAVD881OUSGSSA
1957-07-18 D7201948.73  1OUSGSSA
1957-08-14 D62610 108.05NGVD291OUSGSSA
1957-08-14 D62611 106.96NAVD881OUSGSSA
1957-08-14 D7201948.95  1OUSGSSA
1957-09-05 D62610 107.84NGVD291OUSGSSA
1957-09-05 D62611 106.75NAVD881OUSGSSA
1957-09-05 D7201949.16  1OUSGSSA
1957-12-31 D62610 107.54NGVD291OUSGSSA
1957-12-31 D62611 106.45NAVD881OUSGSSA
1957-12-31 D7201949.46  1OUSGSSA
1958-01-30 D62610 107.82NGVD291OUSGSSA
1958-01-30 D62611 106.73NAVD881OUSGSSA
1958-01-30 D7201949.18  1OUSGSSA
1958-03-03 D62610 108.32NGVD291OUSGSSA
1958-03-03 D62611 107.23NAVD881OUSGSSA
1958-03-03 D7201948.68  1OUSGSSA
1958-03-06 D62610 108.33NGVD291OUSGSSA
1958-03-06 D62611 107.24NAVD881OUSGSSA
1958-03-06 D7201948.67  1OUSGSSA
1958-03-31 D62610 109.46NGVD291OUSGSSA
1958-03-31 D62611 108.37NAVD881OUSGSSA
1958-03-31 D7201947.54  1OUSGSSA
1958-04-30 D62610 110.94NGVD291OUSGSSA
1958-04-30 D62611 109.85NAVD881OUSGSSA
1958-04-30 D7201946.06  1OUSGSSA
1958-05-28 D62610 111.99NGVD291OUSGSSA
1958-05-28 D62611 110.90NAVD881OUSGSSA
1958-05-28 D7201945.01  1OUSGSSA
1959-01-09 D62610 109.85NGVD291OUSGSSA
1959-01-09 D62611 108.76NAVD881OUSGSSA
1959-01-09 D7201947.15  1OUSGSSA
1959-04-08 D62610 108.78NGVD291OUSGSSA
1959-04-08 D62611 107.69NAVD881OUSGSSA
1959-04-08 D7201948.22  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.