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Groundwater levels for the Nation

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USGS 404950073085002 S 53498. 1

Suffolk County, New York
Latitude  40°49'48", Longitude  73°08'47" NAD27
Land-surface elevation 90.0 feet above NGVD29
The depth of the well is 721 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 Magothy Aquifer (211MAGT) local aquifer.
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Date Time
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Water-level
date-time
accuracy
?
 
Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
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Method of
measurement
?
 
Measuring
agency
?
 
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measurement
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Water-level
approval
status
1977-03-3013:00 UTCm62610 43.68NGVD291OUSGSSA
1977-03-3013:00 UTCm62611 42.61NAVD881OUSGSSA
1977-03-3013:00 UTCm7201946.32  1OUSGSSA
1978-03-1619:15 UTCm62610 46.03NGVD29POUSGSSA
1978-03-1619:15 UTCm62611 44.96NAVD88POUSGSSA
1978-03-1619:15 UTCm7201943.97  POUSGSSA
1979-03-2715:20 UTCm62610 44.88NGVD291OUSGSSA
1979-03-2715:20 UTCm62611 43.81NAVD881OUSGSSA
1979-03-2715:20 UTCm7201945.12  1OUSGSSA
1980-03-1215:42 UTCm62610 45.64NGVD291OUSGSSA
1980-03-1215:42 UTCm62611 44.57NAVD881OUSGSSA
1980-03-1215:42 UTCm7201944.36  1OUSGSSA
1981-03-1814:10 UTCm62610 39.58NGVD291OUSGSSA
1981-03-1814:10 UTCm62611 38.51NAVD881OUSGSSA
1981-03-1814:10 UTCm7201950.42  1OUSGSSA
1982-03-1518:45 UTCm62610 47.98NGVD291OUSGSSA
1982-03-1518:45 UTCm62611 46.91NAVD881OUSGSSA
1982-03-1518:45 UTCm7201942.02  1OUSGSSA
1983-03-1418:25 UTCm62610 43.29NGVD29POUSGSSA
1983-03-1418:25 UTCm62611 42.22NAVD88POUSGSSA
1983-03-1418:25 UTCm7201946.71  POUSGSSA
1984-04-2012:22 UTCm62610 46.79NGVD291OUSGSSA
1984-04-2012:22 UTCm62611 45.72NAVD881OUSGSSA
1984-04-2012:22 UTCm7201943.21  1OUSGSSA
1985-04-0214:34 UTCm62610 45.88NGVD291OUSGSSA
1985-04-0214:34 UTCm62611 44.81NAVD881OUSGSSA
1985-04-0214:34 UTCm7201944.12  1OUSGSSA
1985-04-0214:42 UTCm62610 45.89NGVD291OUSGSSA
1985-04-0214:42 UTCm62611 44.82NAVD881OUSGSSA
1985-04-0214:42 UTCm7201944.11  1OUSGSSA
1986-06-2407:25 UTCm62610 43.43NGVD29POUSGSSA
1986-06-2407:25 UTCm62611 42.36NAVD88POUSGSSA
1986-06-2407:25 UTCm7201946.57  POUSGSSA
1988-04-1318:20 UTCm62610 44.84NGVD291OUSGSSA
1988-04-1318:20 UTCm62611 43.77NAVD881OUSGSSA
1988-04-1318:20 UTCm7201945.16  1OUSGSSA
1989-03-2915:20 UTCm62610 42.57NGVD291OUSGSSA
1989-03-2915:20 UTCm62611 41.50NAVD881OUSGSSA
1989-03-2915:20 UTCm7201947.43  1OUSGSSA
1990-03-2619:25 UTCm62610 45.83NGVD291OUSGSSA
1990-03-2619:25 UTCm62611 44.76NAVD881OUSGSSA
1990-03-2619:25 UTCm7201944.17  1OUSGSSA
1991-03-2517:15 UTCm62610 48.39NGVD291OUSGSSA
1991-03-2517:15 UTCm62611 47.32NAVD881OUSGSSA
1991-03-2517:15 UTCm7201941.61  1OUSGSSA
1992-04-0118:20 UTCm62610 44.96NGVD291OUSGSSA
1992-04-0118:20 UTCm62611 43.89NAVD881OUSGSSA
1992-04-0118:20 UTCm7201945.04  1OUSGSSA
1993-04-0718:25 UTCm62610 46.17NGVD291OUSGSSA
1993-04-0718:25 UTCm62611 45.10NAVD881OUSGSSA
1993-04-0718:25 UTCm7201943.83  1OUSGSSA
1994-04-0517:07 UTCm62610 43.92NGVD291OUSGSSA
1994-04-0517:07 UTCm62611 42.85NAVD881OUSGSSA
1994-04-0517:07 UTCm7201946.08  1OUSGSSA
1996-04-0217:43 UTCm62610 42.17NGVD291OUSGSSA
1996-04-0217:43 UTCm62611 41.10NAVD881OUSGSSA
1996-04-0217:43 UTCm7201947.83  1OUSGSSA
1998-04-1413:43 UTCm62610 44.73NGVD291SUSGSSA
1998-04-1413:43 UTCm62611 43.66NAVD881SUSGSSA
1998-04-1413:43 UTCm7201945.27  1SUSGSSA
1999-04-1517:55 UTCm62610 45.24NGVD291SUSGSSA
1999-04-1517:55 UTCm62611 44.17NAVD881SUSGSSA
1999-04-1517:55 UTCm7201944.76  1SUSGSSA
2000-03-1412:47 UTCm62610 45.18NGVD291SUSGSSA
2000-03-1412:47 UTCm62611 44.11NAVD881SUSGSSA
2000-03-1412:47 UTCm7201944.82  1SUSGSSA
2001-03-2012:40 UTCm62610 45.05NGVD291SUSGSSA
2001-03-2012:40 UTCm62611 43.98NAVD881SUSGSSA
2001-03-2012:40 UTCm7201944.95  1SUSGSSA
2002-03-2116:47 UTCm62610 41.84NGVD291SUSGSSA
2002-03-2116:47 UTCm62611 40.77NAVD881SUSGSSA
2002-03-2116:47 UTCm7201948.16  1SUSGSSA
2003-03-2018:23 UTCm62610 42.04NGVD291SUSGSSA
2003-03-2018:23 UTCm62611 40.97NAVD881SUSGSSA
2003-03-2018:23 UTCm7201947.96  1SUSGSSA
2004-03-1617:25 UTCm62610 47.21NGVD291SUSGSSA
2004-03-1617:25 UTCm62611 46.14NAVD881SUSGSSA
2004-03-1617:25 UTCm7201942.79  1SUSGSSA
2005-03-1718:05 UTCm62610 48.11NGVD291SUSGSSA
2005-03-1718:05 UTCm62611 47.04NAVD881SUSGSSA
2005-03-1718:05 UTCm7201941.89  1SUSGSSA
2006-03-2820:25 UTCm62610 47.48NGVD291SUSGSSA
2006-03-2820:25 UTCm62611 46.41NAVD881SUSGSSA
2006-03-2820:25 UTCm7201942.52  1SUSGSSA
2007-04-0518:00 UTCm62610 46.96NGVD291SUSGSSA
2007-04-0518:00 UTCm62611 45.89NAVD881SUSGSSA
2007-04-0518:00 UTCm7201943.04  1SUSGSSA
2008-04-0716:40 UTCm62610 45.93NGVD291SUSGSSA
2008-04-0716:40 UTCm62611 44.86NAVD881SUSGSSA
2008-04-0716:40 UTCm7201944.07  1SUSGSSA
2009-04-0116:00 UTCm62610 45.91NGVD291SUSGSSA
2009-04-0116:00 UTCm62611 44.84NAVD881SUSGSSA
2009-04-0116:00 UTCm7201944.09  1SUSGSSA
2010-04-1415:40 UTCm62610 48.60NGVD291SUSGSSA
2010-04-1415:40 UTCm62611 47.53NAVD881SUSGSSA
2010-04-1415:40 UTCm7201941.40  1SUSGSSA
2011-04-0718:05 UTCm62610 44.99NGVD291S  A
2011-04-0718:05 UTCm62611 43.92NAVD881S  A
2011-04-0718:05 UTCm7201945.01  1S  A
2012-04-1117:28 UTCm62610 44.68NGVD291S  A
2012-04-1117:28 UTCm62611 43.61NAVD881S  A
2012-04-1117:28 UTCm7201945.32  1S  A
2013-04-0516:34 UTCm62610 45.06NGVD291S  A
2013-04-0516:34 UTCm62611 43.99NAVD881S  A
2013-04-0516:34 UTCm7201944.94  1S  A
2014-04-0718:21 UTCm62610 45.45NGVD29PSUSGSSA
2014-04-0718:21 UTCm62611 44.38NAVD88PSUSGSSA
2014-04-0718:21 UTCm7201944.55  PSUSGSSA
2015-04-0617:15 UTCm62610 44.90NGVD291SUSGSSA
2015-04-0617:15 UTCm62611 43.83NAVD881SUSGSSA
2015-04-0617:15 UTCm7201945.10  1SUSGSSA
2016-04-1116:45 UTCm62610 43.54NGVD291SUSGSSA
2016-04-1116:45 UTCm62611 42.47NAVD881SUSGSSA
2016-04-1116:45 UTCm7201946.46  1SUSGSSA
2017-04-1018:45 UTCm62610 40.59NGVD291SUSGSSA
2017-04-1018:45 UTCm62611 39.52NAVD881SUSGSSA
2017-04-1018:45 UTCm7201949.41  1SUSGSSA
2018-04-0918:35 UTCm62610 42.89NGVD291SUSGSSA
2018-04-0918:35 UTCm62611 41.82NAVD881SUSGSSA
2018-04-0918:35 UTCm7201947.11  1SUSGSSA
2019-04-0815:03 UTCm62610 46.35NGVD291OUSGSSA
2019-04-0815:03 UTCm62611 45.28NAVD881OUSGSSA
2019-04-0815:03 UTCm7201943.65  1OUSGSSA
2020-09-2817:08 UTCm62610 42.26NGVD291SUSGSSA
2020-09-2817:08 UTCm62611 41.19NAVD881SUSGSSA
2020-09-2817:08 UTCm7201947.74  1SUSGSSA
2021-04-1214:46 UTCm62610 44.69NGVD291SUSGSSA
2021-04-1214:46 UTCm62611 43.62NAVD881SUSGSSA
2021-04-1214:46 UTCm7201945.31  1SUSGSSA
2022-05-0916:50 UTCm62610 45.77NGVD291SUSGSSA
2022-05-0916:50 UTCm62611 44.70NAVD881SUSGSSA
2022-05-0916:50 UTCm7201944.23  1SUSGSSA
2023-04-0316:10 UTCm62610 43.40NGVD291VUSGSSA
2023-04-0316:10 UTCm62611 42.33NAVD881VUSGSSA
2023-04-0316:10 UTCm7201946.60  1VUSGSSA
2024-05-0616:29 UTCm62610 46.12NGVD291VUSGSSP
2024-05-0616:29 UTCm62611 45.05NAVD881VUSGSSP
2024-05-0616:29 UTCm7201943.88  1VUSGSSP

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
StatusPPumping
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementVCalibrated electric-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.
Water-level approval statusPProvisional data subject to revision.