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Groundwater levels for the Nation

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Agency code = usgs
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  • 404935073445401
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USGS 404935073445401 N 1480. 1

Nassau County, New York
Latitude  40°49'35", Longitude  73°44'54" NAD27
Land-surface elevation 75.0 feet above NGVD29
The depth of the well is 37 feet below land surface.
The depth of the hole is 37 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
1944-09-26 D62610 49.00NGVD291OUSGSSA
1944-09-26 D62611 47.92NAVD881OUSGSSA
1944-09-26 D7201926.00  1OUSGSSA
1945-03-02 D62610 45.00NGVD291OUSGSSA
1945-03-02 D62611 43.92NAVD881OUSGSSA
1945-03-02 D7201930.00  1OUSGSSA
1946-02-05 D62610 47.00NGVD291OUSGSSA
1946-02-05 D62611 45.92NAVD881OUSGSSA
1946-02-05 D7201928.00  1OUSGSSA
1947-04-08 D62610 46.00NGVD291OUSGSSA
1947-04-08 D62611 44.92NAVD881OUSGSSA
1947-04-08 D7201929.00  1OUSGSSA
1948-04-02 D62610 46.00NGVD291OUSGSSA
1948-04-02 D62611 44.92NAVD881OUSGSSA
1948-04-02 D7201929.00  1OUSGSSA
1948-07-04 D62610 46.00NGVD291OUSGSSA
1948-07-04 D62611 44.92NAVD881OUSGSSA
1948-07-04 D7201929.00  1OUSGSSA
1949-06-15 D62610 45.00NGVD291OUSGSSA
1949-06-15 D62611 43.92NAVD881OUSGSSA
1949-06-15 D7201930.00  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.