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Groundwater levels for the Nation

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USGS 404019073360201 N 9396. 1

Nassau County, New York
Latitude  40°40'19", Longitude  73°36'02" NAD27
Land-surface elevation 24.0 feet above NGVD29
The depth of the well is 10 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
1978-08-24 D62610 18.22NGVD291OUSGSSA
1978-08-24 D62611 17.08NAVD881OUSGSSA
1978-08-24 D720195.78  1OUSGSSA
1978-10-24 D62610 17.85NGVD291OUSGSSA
1978-10-24 D62611 16.71NAVD881OUSGSSA
1978-10-24 D720196.15  1OUSGSSA
1978-11-21 D62610 18.58NGVD291OUSGSSA
1978-11-21 D62611 17.44NAVD881OUSGSSA
1978-11-21 D720195.42  1OUSGSSA
1978-12-28 D62610 18.36NGVD291OUSGSSA
1978-12-28 D62611 17.22NAVD881OUSGSSA
1978-12-28 D720195.64  1OUSGSSA
1979-03-21 D62610 19.33NGVD291OUSGSSA
1979-03-21 D62611 18.19NAVD881OUSGSSA
1979-03-21 D720194.67  1OUSGSSA
1979-04-19 D62610 18.99NGVD291OUSGSSA
1979-04-19 D62611 17.85NAVD881OUSGSSA
1979-04-19 D720195.01  1OUSGSSA
1979-05-23 D62610 18.90NGVD291OUSGSSA
1979-05-23 D62611 17.76NAVD881OUSGSSA
1979-05-23 D720195.10  1OUSGSSA
1983-09-2113:10 UTCm62610 16.77NGVD291OUSGSSA
1983-09-2113:10 UTCm62611 15.63NAVD881OUSGSSA
1983-09-2113:10 UTCm720197.23  1OUSGSSA
1983-10-2314:30 UTCm62610 16.98NGVD291OUSGSSA
1983-10-2314:30 UTCm62611 15.84NAVD881OUSGSSA
1983-10-2314:30 UTCm720197.02  1OUSGSSA
1984-10-1615:10 UTCm62610 17.51NGVD291OUSGSSA
1984-10-1615:10 UTCm62611 16.37NAVD881OUSGSSA
1984-10-1615:10 UTCm720196.49  1OUSGSSA
1985-05-1517:01 UTCm62610 17.35NGVD291OUSGSSA
1985-05-1517:01 UTCm62611 16.21NAVD881OUSGSSA
1985-05-1517:01 UTCm720196.65  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracymDate is accurate to the Minute
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.