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Groundwater levels for the Nation

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USGS 404838073404202 N 9809. 2

Nassau County, New York
Latitude  40°48'38", Longitude  73°40'42" NAD27
Land-surface elevation 120 feet above NGVD29
The depth of the well is 527 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.
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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
1984-01-0518:35 UTCm62610 26.30NGVD291OUSGSSA
1984-01-0518:35 UTCm62611 25.21NAVD881OUSGSSA
1984-01-0518:35 UTCm7201993.70  1OUSGSSA
1985-01-0817:25 UTCm62610 29.04NGVD291OUSGSSA
1985-01-0817:25 UTCm62611 27.95NAVD881OUSGSSA
1985-01-0817:25 UTCm7201990.96  1OUSGSSA
1986-03-0715:30 UTCm62610 25.95NGVD291OUSGSSA
1986-03-0715:30 UTCm62611 24.86NAVD881OUSGSSA
1986-03-0715:30 UTCm7201994.05  1OUSGSSA
1987-01-1414:55 UTCm62610 25.42NGVD294OUSGSSA
1987-01-1414:55 UTCm62611 24.33NAVD884OUSGSSA
1987-01-1414:55 UTCm7201994.58  4OUSGSSA
1988-02-1614:40 UTCm62610 27.70NGVD294OUSGSSA
1988-02-1614:40 UTCm62611 26.61NAVD884OUSGSSA
1988-02-1614:40 UTCm7201992.30  4OUSGSSA
1988-12-2719:50 UTCm62610 25.94NGVD294OUSGSSA
1988-12-2719:50 UTCm62611 24.85NAVD884OUSGSSA
1988-12-2719:50 UTCm7201994.06  4OUSGSSA
1991-04-1215:11 UTCm62610 29.01NGVD294OUSGSSA
1991-04-1215:11 UTCm62611 27.92NAVD884OUSGSSA
1991-04-1215:11 UTCm7201990.99  4OUSGSSA
1992-03-1715:35 UTCm62610 30.18NGVD294OUSGSSA
1992-03-1715:35 UTCm62611 29.09NAVD884OUSGSSA
1992-03-1715:35 UTCm7201989.82  4OUSGSSA
1993-04-0615:06 UTCm62610 26.67NGVD294SUSGSSA
1993-04-0615:06 UTCm62611 25.58NAVD884SUSGSSA
1993-04-0615:06 UTCm7201993.33  4SUSGSSA
1994-04-2615:23 UTCm62610 28.09NGVD291SUSGSSA
1994-04-2615:23 UTCm62611 27.00NAVD881SUSGSSA
1994-04-2615:23 UTCm7201991.91  1SUSGSSA
2004-04-0619:05 UTCm62610 25.94NGVD291SUSGSSA
2004-04-0619:05 UTCm62611 24.85NAVD881SUSGSSA
2004-04-0619:05 UTCm7201994.06  1SUSGSSA
2005-04-0615:30 UTCm62610 21.12NGVD291SUSGSSA
2005-04-0615:30 UTCm62611 20.03NAVD881SUSGSSA
2005-04-0615:30 UTCm7201998.88  1SUSGSSA
2006-03-2917:20 UTCm62610 32.52NGVD291SUSGSSA
2006-03-2917:20 UTCm62611 31.43NAVD881SUSGSSA
2006-03-2917:20 UTCm7201987.48  1SUSGSSA
2007-03-2214:22 UTCm62610 30.53NGVD291SUSGSSA
2007-03-2214:22 UTCm62611 29.44NAVD881SUSGSSA
2007-03-2214:22 UTCm7201989.47  1SUSGSSA
2008-04-1614:45 UTCm62610 31.39NGVD291SUSGSSA
2008-04-1614:45 UTCm62611 30.30NAVD881SUSGSSA
2008-04-1614:45 UTCm7201988.61  1SUSGSSA
2010-05-0417:00 UTCm62610 29.72NGVD291S  A
2010-05-0417:00 UTCm62611 28.63NAVD881S  A
2010-05-0417:00 UTCm7201990.28  1S  A
2011-04-0517:20 UTCm62610 31.86NGVD291S  A
2011-04-0517:20 UTCm62611 30.77NAVD881S  A
2011-04-0517:20 UTCm7201988.14  1S  A
2012-04-0915:16 UTCm62610 34.02NGVD294S  A
2012-04-0915:16 UTCm62611 32.93NAVD884S  A
2012-04-0915:16 UTCm7201985.98  4S  A
2013-04-1019:20 UTCm62610 33.97NGVD294S  A
2013-04-1019:20 UTCm62611 32.88NAVD884S  A
2013-04-1019:20 UTCm7201986.03  4S  A
2014-04-1114:55 UTCm62610 18.35NGVD29PS  A
2014-04-1114:55 UTCm62611 17.26NAVD88PS  A
2014-04-1114:55 UTCm72019101.65  PS  A
2015-04-0617:38 UTCm62610 32.40NGVD294S  A
2015-04-0617:38 UTCm62611 31.31NAVD884S  A
2015-04-0617:38 UTCm7201987.60  4S  A
2016-04-1916:04 UTCm62610 31.37NGVD291SUSGSSA
2016-04-1916:04 UTCm62611 30.28NAVD881SUSGSSA
2016-04-1916:04 UTCm7201988.63  1SUSGSSA
2017-04-1016:21 UTCm62610 30.58NGVD291SUSGSSA
2017-04-1016:21 UTCm62611 29.49NAVD881SUSGSSA
2017-04-1016:21 UTCm7201989.42  1SUSGSSA

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
Status4GWTideAffected
StatusPWater level was affected by pumping at the time of the measurement
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.