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Groundwater levels for the Nation

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Agency code = usgs
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  • 404310073260201
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USGS 404310073260201 N 12239. 1

Nassau County, New York
Latitude  40°43'10.4", Longitude  73°26'00.6" NAD83
Land-surface elevation 58.0 feet above NGVD29
The depth of the well is 45.6 feet below land surface.
The depth of the hole is 45.6 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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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
1994-04-0114:30 UTCm62610 44.88NGVD291SUSGSSA
1994-04-0114:30 UTCm62611 43.68NAVD881SUSGSSA
1994-04-0114:30 UTCm7201913.12  1SUSGSSA
1995-03-1414:05 UTCm62610 41.91NGVD291SUSGSSA
1995-03-1414:05 UTCm62611 40.71NAVD881SUSGSSA
1995-03-1414:05 UTCm7201916.09  1SUSGSSA
1996-03-1414:40 UTCm62610 41.58NGVD291SUSGSSA
1996-03-1414:40 UTCm62611 40.38NAVD881SUSGSSA
1996-03-1414:40 UTCm7201916.42  1SUSGSSA
1997-03-1215:12 UTCm62610 44.19NGVD291SUSGSSA
1997-03-1215:12 UTCm62611 42.99NAVD881SUSGSSA
1997-03-1215:12 UTCm7201913.81  1SUSGSSA
1998-03-2515:53 UTCm62610 45.77NGVD291SUSGSSA
1998-03-2515:53 UTCm62611 44.57NAVD881SUSGSSA
1998-03-2515:53 UTCm7201912.23  1SUSGSSA
1999-03-3017:15 UTCm62610 45.12NGVD291SUSGSSA
1999-03-3017:15 UTCm62611 43.92NAVD881SUSGSSA
1999-03-3017:15 UTCm7201912.88  1SUSGSSA
2000-03-2018:00 UTCm62610 41.91NGVD291SUSGSSA
2000-03-2018:00 UTCm62611 40.71NAVD881SUSGSSA
2000-03-2018:00 UTCm7201916.09  1SUSGSSA
2001-03-1920:20 UTCm62610 43.30NGVD291SUSGSSA
2001-03-1920:20 UTCm62611 42.10NAVD881SUSGSSA
2001-03-1920:20 UTCm7201914.70  1SUSGSSA
2002-03-2214:07 UTCm62610 38.60NGVD291SUSGSSA
2002-03-2214:07 UTCm62611 37.40NAVD881SUSGSSA
2002-03-2214:07 UTCm7201919.40  1SUSGSSA
2003-03-1720:30 UTCm62610 42.58NGVD291SUSGSSA
2003-03-1720:30 UTCm62611 41.38NAVD881SUSGSSA
2003-03-1720:30 UTCm7201915.42  1SUSGSSA
2004-03-1615:57 UTCm62610 42.91NGVD291SUSGSSA
2004-03-1615:57 UTCm62611 41.71NAVD881SUSGSSA
2004-03-1615:57 UTCm7201915.09  1SUSGSSA
2005-03-1515:50 UTCm62610 43.68NGVD291SUSGSSA
2005-03-1515:50 UTCm62611 42.48NAVD881SUSGSSA
2005-03-1515:50 UTCm7201914.32  1SUSGSSA
2006-03-2315:27 UTCm62610 45.51NGVD291SUSGSSA
2006-03-2315:27 UTCm62611 44.31NAVD881SUSGSSA
2006-03-2315:27 UTCm7201912.49  1SUSGSSA
2007-04-0217:36 UTCm62610 45.33NGVD291SUSGSSA
2007-04-0217:36 UTCm62611 44.13NAVD881SUSGSSA
2007-04-0217:36 UTCm7201912.67  1SUSGSSA
2008-04-2118:50 UTCm62610 45.79NGVD291SUSGSSA
2008-04-2118:50 UTCm62611 44.59NAVD881SUSGSSA
2008-04-2118:50 UTCm7201912.21  1SUSGSSA
2009-04-2817:37 UTCm62610 45.42NGVD291SUSGSSA
2009-04-2817:37 UTCm62611 44.22NAVD881SUSGSSA
2009-04-2817:37 UTCm7201912.58  1SUSGSSA
2010-04-2120:08 UTCm62610 48.00NGVD291SUSGSSA
2010-04-2120:08 UTCm62611 46.80NAVD881SUSGSSA
2010-04-2120:08 UTCm7201910.00  1SUSGSSA
2012-04-1815:39 UTCm62610 43.53NGVD291SUSGSSA
2012-04-1815:39 UTCm62611 42.33NAVD881SUSGSSA
2012-04-1815:39 UTCm7201914.47  1SUSGSSA
2013-04-1612:34 UTCm62610 44.34NGVD291SUSGSSA
2013-04-1612:34 UTCm62611 43.14NAVD881SUSGSSA
2013-04-1612:34 UTCm7201913.66  1SUSGSSA
2014-04-2421:19 UTCm62610 43.87NGVD291SUSGSSA
2014-04-2421:19 UTCm62611 42.67NAVD881SUSGSSA
2014-04-2421:19 UTCm7201914.13  1SUSGSSA
2015-04-1523:04 UTCm62610 45.26NGVD291SUSGSSA
2015-04-1523:04 UTCm62611 44.06NAVD881SUSGSSA
2015-04-1523:04 UTCm7201912.74  1SUSGSSA
2016-04-1917:39 UTCm62610 42.26NGVD291SUSGSSA
2016-04-1917:39 UTCm62611 41.06NAVD881SUSGSSA
2016-04-1917:39 UTCm7201915.74  1SUSGSSA
2017-04-1817:03 UTCm62610 42.08NGVD291TUSGSSA
2017-04-1817:03 UTCm62611 40.88NAVD881TUSGSSA
2017-04-1817:03 UTCm7201915.92  1TUSGSSA
2018-04-1917:18 UTCm62610 44.06NGVD291VUSGSSA
2018-04-1917:18 UTCm62611 42.86NAVD881VUSGSSA
2018-04-1917:18 UTCm7201913.94  1VUSGSSA
2019-04-1618:13 UTCm62610 46.42NGVD291SUSGSSA
2019-04-1618:13 UTCm62611 45.22NAVD881SUSGSSA
2019-04-1618:13 UTCm7201911.58  1SUSGSSA
2020-10-2018:00 UTCm62610 43.47NGVD291VUSGSSA
2020-10-2018:00 UTCm62611 42.27NAVD881VUSGSSA
2020-10-2018:00 UTCm7201914.53  1VUSGSSA
2021-04-2618:50 UTCm62610 45.14NGVD291VUSGSSA
2021-04-2618:50 UTCm62611 43.94NAVD881VUSGSSA
2021-04-2618:50 UTCm7201912.86  1VUSGSSA
2022-05-2421:22 UTCm62610 44.43NGVD291VUSGSSA
2022-05-2421:22 UTCm62611 43.23NAVD881VUSGSSA
2022-05-2421:22 UTCm7201913.57  1VUSGSSA
2023-05-1018:38 UTCm62610 42.83NGVD291VUSGSSA
2023-05-1018:38 UTCm62611 41.63NAVD881VUSGSSA
2023-05-1018:38 UTCm7201915.17  1VUSGSSA
2024-05-1421:07 UTCm62610 46.58NGVD291VUSGSSP
2024-05-1421:07 UTCm62611 45.38NAVD881VUSGSSP
2024-05-1421:07 UTCm7201911.42  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
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-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.
Water-level approval statusPProvisional data subject to revision.