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Groundwater levels for the Nation

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USGS 404339073414401 N 1472. 1

Nassau County, New York
Latitude  40°43'39", Longitude  73°41'44" NAD27
Land-surface elevation 85.0 feet above NGVD29
The depth of the well is 49 feet below land surface.
The depth of the hole is 49 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
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
1979-06-06 D62610 35.00NGVD291OUSGSSA
1979-06-06 D62611 33.89NAVD881OUSGSSA
1979-06-06 D7201950.00  1OUSGSSA
1979-09-12 D62610 34.83NGVD291OUSGSSA
1979-09-12 D62611 33.72NAVD881OUSGSSA
1979-09-12 D7201950.17  1OUSGSSA
1979-12-13 D62610 34.44NGVD291OUSGSSA
1979-12-13 D62611 33.33NAVD881OUSGSSA
1979-12-13 D7201950.56  1OUSGSSA
1980-03-17 D62610 34.11NGVD291OUSGSSA
1980-03-17 D62611 33.00NAVD881OUSGSSA
1980-03-17 D7201950.89  1OUSGSSA
1980-05-27 D62610 34.17NGVD291OUSGSSA
1980-05-27 D62611 33.06NAVD881OUSGSSA
1980-05-27 D7201950.83  1OUSGSSA
1980-09-04 D62610 33.90NGVD291OUSGSSA
1980-09-04 D62611 32.79NAVD881OUSGSSA
1980-09-04 D7201951.10  1OUSGSSA
1980-12-15 D62610 33.25NGVD291OUSGSSA
1980-12-15 D62611 32.14NAVD881OUSGSSA
1980-12-15 D7201951.75  1OUSGSSA
1981-03-04 D62610 31.98NGVD291OUSGSSA
1981-03-04 D62611 30.87NAVD881OUSGSSA
1981-03-04 D7201953.02  1OUSGSSA
1981-06-16 D62610 30.68NGVD291OUSGSSA
1981-06-16 D62611 29.57NAVD881OUSGSSA
1981-06-16 D7201954.32  1OUSGSSA
1981-09-01 D62610 30.08NGVD291OUSGSSA
1981-09-01 D62611 28.97NAVD881OUSGSSA
1981-09-01 D7201954.92  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.