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Groundwater levels for the Nation

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USGS 404443073362401 N 9647. 1

Nassau County, New York
Latitude  40°44'43", Longitude  73°36'25" NAD27
Land-surface elevation 88.0 feet above NGVD29
The depth of the well is 63 feet below land surface.
The depth of the hole is 63 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
1979-06-0520:27 UTCm62610 69.61NGVD291OUSGSSA
1979-06-0520:27 UTCm62611 68.46NAVD881OUSGSSA
1979-06-0520:27 UTCm7201918.39  1OUSGSSA
1979-09-1116:58 UTCm62610 68.38NGVD291OUSGSSA
1979-09-1116:58 UTCm62611 67.23NAVD881OUSGSSA
1979-09-1116:58 UTCm7201919.62  1OUSGSSA
1979-12-1015:03 UTCm62610 68.24NGVD291OUSGSSA
1979-12-1015:03 UTCm62611 67.09NAVD881OUSGSSA
1979-12-1015:03 UTCm7201919.76  1OUSGSSA
1980-03-2017:39 UTCm62610 67.44NGVD291OUSGSSA
1980-03-2017:39 UTCm62611 66.29NAVD881OUSGSSA
1980-03-2017:39 UTCm7201920.56  1OUSGSSA
1980-05-3020:05 UTCm62610 69.66NGVD291OUSGSSA
1980-05-3020:05 UTCm62611 68.51NAVD881OUSGSSA
1980-05-3020:05 UTCm7201918.34  1OUSGSSA
1980-09-0516:01 UTCm62610 67.29NGVD291OUSGSSA
1980-09-0516:01 UTCm62611 66.14NAVD881OUSGSSA
1980-09-0516:01 UTCm7201920.71  1OUSGSSA
1980-12-1816:35 UTCm62610 66.15NGVD291OUSGSSA
1980-12-1816:35 UTCm62611 65.00NAVD881OUSGSSA
1980-12-1816:35 UTCm7201921.85  1OUSGSSA
1981-03-1016:00 UTCm62610 65.65NGVD291OUSGSSA
1981-03-1016:00 UTCm62611 64.50NAVD881OUSGSSA
1981-03-1016:00 UTCm7201922.35  1OUSGSSA
1981-06-0818:09 UTCm62610 64.36NGVD291OUSGSSA
1981-06-0818:09 UTCm62611 63.21NAVD881OUSGSSA
1981-06-0818:09 UTCm7201923.64  1OUSGSSA
1981-10-1615:10 UTCm62610 62.76NGVD291OUSGSSA
1981-10-1615:10 UTCm62611 61.61NAVD881OUSGSSA
1981-10-1615:10 UTCm7201925.24  1OUSGSSA
1982-01-1216:37 UTCm62610 63.67NGVD291OUSGSSA
1982-01-1216:37 UTCm62611 62.52NAVD881OUSGSSA
1982-01-1216:37 UTCm7201924.33  1OUSGSSA
1982-03-2216:40 UTCm62610 64.01NGVD291OUSGSSA
1982-03-2216:40 UTCm62611 62.86NAVD881OUSGSSA
1982-03-2216:40 UTCm7201923.99  1OUSGSSA
1982-07-0916:35 UTCm62610 64.03NGVD291OUSGSSA
1982-07-0916:35 UTCm62611 62.88NAVD881OUSGSSA
1982-07-0916:35 UTCm7201923.97  1OUSGSSA
1982-09-1014:17 UTCm62610 61.90NGVD291OUSGSSA
1982-09-1014:17 UTCm62611 60.75NAVD881OUSGSSA
1982-09-1014:17 UTCm7201926.10  1OUSGSSA
1982-12-1418:33 UTCm62610 60.69NGVD291OUSGSSA
1982-12-1418:33 UTCm62611 59.54NAVD881OUSGSSA
1982-12-1418:33 UTCm7201927.31  1OUSGSSA
1983-04-1216:40 UTCm62610 62.84NGVD291OUSGSSA
1983-04-1216:40 UTCm62611 61.69NAVD881OUSGSSA
1983-04-1216:40 UTCm7201925.16  1OUSGSSA
1984-05-0117:17 UTCm62610 66.54NGVD291OUSGSSA
1984-05-0117:17 UTCm62611 65.39NAVD881OUSGSSA
1984-05-0117:17 UTCm7201921.46  1OUSGSSA

Explanation
SectionCodeDescription
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.