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Groundwater levels for the Nation

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  • 403958073270401
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USGS 403958073270401 N 1241. 1

Nassau County, New York
Latitude  40°39'58", Longitude  73°27'04" NAD27
Land-surface elevation 7.0 feet above NGVD29
The depth of the well is 23 feet below land surface.
The depth of the hole is 23 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
1938-06-02 D62610 4.20NGVD291OUSGSSA
1938-06-02 D62611 3.00NAVD881OUSGSSA
1938-06-02 D720192.80  1OUSGSSA
1938-09-29 D62610 4.52NGVD291OUSGSSA
1938-09-29 D62611 3.32NAVD881OUSGSSA
1938-09-29 D720192.48  1OUSGSSA
1939-03-21 D62610 4.82NGVD291OUSGSSA
1939-03-21 D62611 3.62NAVD881OUSGSSA
1939-03-21 D720192.18  1OUSGSSA
1939-09-06 D62610 3.76NGVD291OUSGSSA
1939-09-06 D62611 2.56NAVD881OUSGSSA
1939-09-06 D720193.24  1OUSGSSA
1940-03-26 D62610 3.66NGVD291OUSGSSA
1940-03-26 D62611 2.46NAVD881OUSGSSA
1940-03-26 D720193.34  1OUSGSSA
1940-04-26 D62610 4.30NGVD291OUSGSSA
1940-04-26 D62611 3.10NAVD881OUSGSSA
1940-04-26 D720192.70  1OUSGSSA
1941-04-22 D62610 4.40NGVD291OUSGSSA
1941-04-22 D62611 3.20NAVD881OUSGSSA
1941-04-22 D720192.60  1OUSGSSA
1943-04-20 D62610 4.33NGVD291OUSGSSA
1943-04-20 D62611 3.13NAVD881OUSGSSA
1943-04-20 D720192.67  1OUSGSSA
1943-05-27 D62610 4.41NGVD291OUSGSSA
1943-05-27 D62611 3.21NAVD881OUSGSSA
1943-05-27 D720192.59  1OUSGSSA
1944-01-31 D62610 4.24NGVD291OUSGSSA
1944-01-31 D62611 3.04NAVD881OUSGSSA
1944-01-31 D720192.76  1OUSGSSA
1944-05-09 D62610 4.72NGVD291OUSGSSA
1944-05-09 D62611 3.52NAVD881OUSGSSA
1944-05-09 D720192.28  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.