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Groundwater levels for the Nation

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USGS 404921073122703 S 38491. 1

Suffolk County, New York
Latitude  40°49'20", Longitude  73°12'25" NAD27
Land-surface elevation 61.0 feet above NGVD29
The depth of the well is 383 feet below land surface.
The depth of the hole is 403 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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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
1984-05-1115:20 UTCm62610 41.30NGVD291OUSGSSA
1984-05-1115:20 UTCm62611 40.22NAVD881OUSGSSA
1984-05-1115:20 UTCm7201919.70  1OUSGSSA
1985-04-0318:43 UTCm62610 39.93NGVD291OUSGSSA
1985-04-0318:43 UTCm62611 38.85NAVD881OUSGSSA
1985-04-0318:43 UTCm7201921.07  1OUSGSSA
1988-04-1315:10 UTCm62610 32.58NGVD29POUSGSSA
1988-04-1315:10 UTCm62611 31.50NAVD88POUSGSSA
1988-04-1315:10 UTCm7201928.42  POUSGSSA
1989-03-3019:30 UTCm62610 37.54NGVD291OUSGSSA
1989-03-3019:30 UTCm62611 36.46NAVD881OUSGSSA
1989-03-3019:30 UTCm7201923.46  1OUSGSSA
1990-03-2618:50 UTCm62610 40.53NGVD291OUSGSSA
1990-03-2618:50 UTCm62611 39.45NAVD881OUSGSSA
1990-03-2618:50 UTCm7201920.47  1OUSGSSA
1991-03-2517:30 UTCm62610 41.44NGVD291OUSGSSA
1991-03-2517:30 UTCm62611 40.36NAVD881OUSGSSA
1991-03-2517:30 UTCm7201919.56  1OUSGSSA
1992-04-0118:45 UTCm62610 38.95NGVD291OUSGSSA
1992-04-0118:45 UTCm62611 37.87NAVD881OUSGSSA
1992-04-0118:45 UTCm7201922.05  1OUSGSSA
1993-04-0718:50 UTCm62610 39.99NGVD291OUSGSSA
1993-04-0718:50 UTCm62611 38.91NAVD881OUSGSSA
1993-04-0718:50 UTCm7201921.01  1OUSGSSA
1994-04-2817:31 UTCm62610 38.70NGVD291OUSGSSA
1994-04-2817:31 UTCm62611 37.62NAVD881OUSGSSA
1994-04-2817:31 UTCm7201922.30  1OUSGSSA
1995-03-1519:35 UTCm62610 37.81NGVD291OUSGSSA
1995-03-1519:35 UTCm62611 36.73NAVD881OUSGSSA
1995-03-1519:35 UTCm7201923.19  1OUSGSSA
1996-04-0218:08 UTCm62610 37.29NGVD291OUSGSSA
1996-04-0218:08 UTCm62611 36.21NAVD881OUSGSSA
1996-04-0218:08 UTCm7201923.71  1OUSGSSA
1997-04-1017:17 UTCm62610 39.74NGVD291OUSGSSA
1997-04-1017:17 UTCm62611 38.66NAVD881OUSGSSA
1997-04-1017:17 UTCm7201921.26  1OUSGSSA
1998-04-1414:04 UTCm62610 39.60NGVD291SUSGSSA
1998-04-1414:04 UTCm62611 38.52NAVD881SUSGSSA
1998-04-1414:04 UTCm7201921.40  1SUSGSSA
1999-04-1517:45 UTCm62610 39.48NGVD291SUSGSSA
1999-04-1517:45 UTCm62611 38.40NAVD881SUSGSSA
1999-04-1517:45 UTCm7201921.52  1SUSGSSA
2001-03-2012:20 UTCm62610 38.70NGVD291SUSGSSA
2001-03-2012:20 UTCm62611 37.62NAVD881SUSGSSA
2001-03-2012:20 UTCm7201922.30  1SUSGSSA
2002-03-2116:03 UTCm62610 36.74NGVD291SUSGSSA
2002-03-2116:03 UTCm62611 35.66NAVD881SUSGSSA
2002-03-2116:03 UTCm7201924.26  1SUSGSSA
2003-03-2018:10 UTCm62610 37.62NGVD291SUSGSSA
2003-03-2018:10 UTCm62611 36.54NAVD881SUSGSSA
2003-03-2018:10 UTCm7201923.38  1SUSGSSA
2004-03-1617:09 UTCm62610 39.62NGVD291SUSGSSA
2004-03-1617:09 UTCm62611 38.54NAVD881SUSGSSA
2004-03-1617:09 UTCm7201921.38  1SUSGSSA
2005-03-1717:48 UTCm62610 39.34NGVD291SUSGSSA
2005-03-1717:48 UTCm62611 38.26NAVD881SUSGSSA
2005-03-1717:48 UTCm7201921.66  1SUSGSSA
2006-03-2820:05 UTCm62610 40.84NGVD291SUSGSSA
2006-03-2820:05 UTCm62611 39.76NAVD881SUSGSSA
2006-03-2820:05 UTCm7201920.16  1SUSGSSA
2007-04-0517:08 UTCm62610 40.30NGVD291SUSGSSA
2007-04-0517:08 UTCm62611 39.22NAVD881SUSGSSA
2007-04-0517:08 UTCm7201920.70  1SUSGSSA
2008-04-0716:22 UTCm62610 39.89NGVD291SUSGSSA
2008-04-0716:22 UTCm62611 38.81NAVD881SUSGSSA
2008-04-0716:22 UTCm7201921.11  1SUSGSSA
2009-04-0115:39 UTCm62610 39.60NGVD291SUSGSSA
2009-04-0115:39 UTCm62611 38.52NAVD881SUSGSSA
2009-04-0115:39 UTCm7201921.40  1SUSGSSA
2010-04-1415:21 UTCm62610 42.17NGVD291SUSGSSA
2010-04-1415:21 UTCm62611 41.09NAVD881SUSGSSA
2010-04-1415:21 UTCm7201918.83  1SUSGSSA
2011-04-0717:41 UTCm62610 39.09NGVD291S  A
2011-04-0717:41 UTCm62611 38.01NAVD881S  A
2011-04-0717:41 UTCm7201921.91  1S  A
2012-04-1117:12 UTCm62610 38.75NGVD291S  A
2012-04-1117:12 UTCm62611 37.67NAVD881S  A
2012-04-1117:12 UTCm7201922.25  1S  A
2013-04-0516:17 UTCm62610 39.43NGVD291S  A
2013-04-0516:17 UTCm62611 38.35NAVD881S  A
2013-04-0516:17 UTCm7201921.57  1S  A
2014-04-0718:00 UTCm62610 37.63NGVD29PS  A
2014-04-0718:00 UTCm62611 36.55NAVD88PS  A
2014-04-0718:00 UTCm7201923.37  PS  A
2016-04-1116:20 UTCm62610 37.80NGVD291SUSGSSA
2016-04-1116:20 UTCm62611 36.72NAVD881SUSGSSA
2016-04-1116:20 UTCm7201923.20  1SUSGSSA
2018-04-0918:15 UTCm62610 38.02NGVD291SUSGSSA
2018-04-0918:15 UTCm62611 36.94NAVD881SUSGSSA
2018-04-0918:15 UTCm7201922.98  1SUSGSSA
2019-04-0814:40 UTCm62610 39.92NGVD291OUSGSSA
2019-04-0814:40 UTCm62611 38.84NAVD881OUSGSSA
2019-04-0814:40 UTCm7201921.08  1OUSGSSA
2020-09-2816:52 UTCm62610 36.75NGVD291SUSGSSA
2020-09-2816:52 UTCm62611 35.67NAVD881SUSGSSA
2020-09-2816:52 UTCm7201924.25  1SUSGSSA
2021-04-1214:31 UTCm62610 38.54NGVD291SUSGSSA
2021-04-1214:31 UTCm62611 37.46NAVD881SUSGSSA
2021-04-1214:31 UTCm7201922.46  1SUSGSSA
2022-05-0916:33 UTCm62610 39.01NGVD291SUSGSSA
2022-05-0916:33 UTCm62611 37.93NAVD881SUSGSSA
2022-05-0916:33 UTCm7201921.99  1SUSGSSA
2023-04-0315:49 UTCm62610 37.54NGVD291VUSGSSA
2023-04-0315:49 UTCm62611 36.46NAVD881VUSGSSA
2023-04-0315:49 UTCm7201923.46  1VUSGSSA
2024-05-0616:02 UTCm62610 40.09NGVD291VUSGSSA
2024-05-0616:02 UTCm62611 39.01NAVD881VUSGSSA
2024-05-0616:02 UTCm7201920.91  1VUSGSSA

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.