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Groundwater levels for the Nation

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USGS 404008073392201 N 9386. 1

Nassau County, New York
Latitude  40°40'08", Longitude  73°39'22" NAD27
Land-surface elevation 27.0 feet above NGVD29
The depth of the well is 19 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
1978-08-22 D62610 9.02NGVD291OUSGSSA
1978-08-22 D62611 7.89NAVD881OUSGSSA
1978-08-22 D7201917.98  1OUSGSSA
1978-10-24 D62610 10.35NGVD291OUSGSSA
1978-10-24 D62611 9.22NAVD881OUSGSSA
1978-10-24 D7201916.65  1OUSGSSA
1978-11-22 D62610 9.87NGVD291SUSGSSA
1978-11-22 D62611 8.74NAVD881SUSGSSA
1978-11-22 D7201917.13  1SUSGSSA
1978-12-28 D62610 10.30NGVD291SUSGSSA
1978-12-28 D62611 9.17NAVD881SUSGSSA
1978-12-28 D7201916.70  1SUSGSSA
1979-03-2117:03 UTCm62610 11.43NGVD291SUSGSSA
1979-03-2117:03 UTCm62611 10.30NAVD881SUSGSSA
1979-03-2117:03 UTCm7201915.57  1SUSGSSA
1979-04-1916:23 UTCm62610 10.90NGVD291SUSGSSA
1979-04-1916:23 UTCm62611 9.77NAVD881SUSGSSA
1979-04-1916:23 UTCm7201916.10  1SUSGSSA
1979-05-2917:48 UTCm62610 10.50NGVD291SUSGSSA
1979-05-2917:48 UTCm62611 9.37NAVD881SUSGSSA
1979-05-2917:48 UTCm7201916.50  1SUSGSSA
1984-10-1621:20 UTCm62610 9.00NGVD291OUSGSSA
1984-10-1621:20 UTCm62611 7.87NAVD881OUSGSSA
1984-10-1621:20 UTCm7201918.00  1OUSGSSA
1985-05-1600:39 UTCm62610 8.58NGVD291OUSGSSA
1985-05-1600:39 UTCm62611 7.45NAVD881OUSGSSA
1985-05-1600:39 UTCm7201918.42  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.
Method of measurementSSteel-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.