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Groundwater levels for the Nation

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USGS 404746073432501 N 12082. 1

Nassau County, New York
Latitude  40°47'46.2", Longitude  73°43'23.7" NAD83
Land-surface elevation 110 feet above NGVD29
The depth of the well is 495 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 Lloyd Aquifer (211LLYD) 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
1992-05-2018:36 UTCm62610 8.76NGVD291OUSGSSA
1992-05-2018:36 UTCm62611 7.67NAVD881OUSGSSA
1992-05-2018:36 UTCm72019101.24  1OUSGSSA
1992-08-2514:20 UTCm62610 4.26NGVD291OUSGSSA
1992-08-2514:20 UTCm62611 3.17NAVD881OUSGSSA
1992-08-2514:20 UTCm72019105.74  1OUSGSSA
1992-12-0815:13 UTCm62610 8.08NGVD291OUSGSSA
1992-12-0815:13 UTCm62611 6.99NAVD881OUSGSSA
1992-12-0815:13 UTCm72019101.92  1OUSGSSA
1993-06-1815:37 UTCm62610 3.74NGVD291OUSGSSA
1993-06-1815:37 UTCm62611 2.65NAVD881OUSGSSA
1993-06-1815:37 UTCm72019106.26  1OUSGSSA
1993-09-3017:20 UTCm62610 7.81NGVD291OUSGSSA
1993-09-3017:20 UTCm62611 6.72NAVD881OUSGSSA
1993-09-3017:20 UTCm72019102.19  1OUSGSSA
1993-12-2816:12 UTCm62610 7.54NGVD291OUSGSSA
1993-12-2816:12 UTCm62611 6.45NAVD881OUSGSSA
1993-12-2816:12 UTCm72019102.46  1OUSGSSA
1994-03-3015:53 UTCm62610 8.16NGVD291OUSGSSA
1994-03-3015:53 UTCm62611 7.07NAVD881OUSGSSA
1994-03-3015:53 UTCm72019101.84  1OUSGSSA
1994-06-0818:52 UTCm62610 3.34NGVD291OUSGSSA
1994-06-0818:52 UTCm62611 2.25NAVD881OUSGSSA
1994-06-0818:52 UTCm72019106.66  1OUSGSSA
1994-09-2019:00 UTCm62610 1.06NGVD291OUSGSSA
1994-09-2019:00 UTCm62611 -0.03NAVD881OUSGSSA
1994-09-2019:00 UTCm72019108.94  1OUSGSSA
1994-12-1618:14 UTCm62610 10.12NGVD291OUSGSSA
1994-12-1618:14 UTCm62611 9.03NAVD881OUSGSSA
1994-12-1618:14 UTCm7201999.88  1OUSGSSA
1995-03-1519:00 UTCm62610 11.63NGVD291OUSGSSA
1995-03-1519:00 UTCm62611 10.54NAVD881OUSGSSA
1995-03-1519:00 UTCm7201998.37  1OUSGSSA
1995-06-1414:53 UTCm62610 9.42NGVD291OUSGSSA
1995-06-1414:53 UTCm62611 8.33NAVD881OUSGSSA
1995-06-1414:53 UTCm72019100.58  1OUSGSSA
1995-08-2413:47 UTCm62610 2.66NGVD291OUSGSSA
1995-08-2413:47 UTCm62611 1.57NAVD881OUSGSSA
1995-08-2413:47 UTCm72019107.34  1OUSGSSA
1995-12-0418:28 UTCm62610 6.70NGVD291OUSGSSA
1995-12-0418:28 UTCm62611 5.61NAVD881OUSGSSA
1995-12-0418:28 UTCm72019103.30  1OUSGSSA
1996-03-2215:04 UTCm62610 9.52NGVD291OUSGSSA
1996-03-2215:04 UTCm62611 8.43NAVD881OUSGSSA
1996-03-2215:04 UTCm72019100.48  1OUSGSSA
1996-05-1614:04 UTCm62610 6.14NGVD291OUSGSSA
1996-05-1614:04 UTCm62611 5.05NAVD881OUSGSSA
1996-05-1614:04 UTCm72019103.86  1OUSGSSA
1996-09-1014:11 UTCm62610 1.92NGVD291OUSGSSA
1996-09-1014:11 UTCm62611 0.83NAVD881OUSGSSA
1996-09-1014:11 UTCm72019108.08  1OUSGSSA
1997-03-1016:47 UTCm62610 5.67NGVD291OUSGSSA
1997-03-1016:47 UTCm62611 4.58NAVD881OUSGSSA
1997-03-1016:47 UTCm72019104.33  1OUSGSSA
2004-03-2215:52 UTCm62610 14.67NGVD291SUSGSSA
2004-03-2215:52 UTCm62611 13.58NAVD881SUSGSSA
2004-03-2215:52 UTCm7201995.33  1SUSGSSA
2005-03-2216:49 UTCm62610 17.54NGVD291SUSGSSA
2005-03-2216:49 UTCm62611 16.45NAVD881SUSGSSA
2005-03-2216:49 UTCm7201992.46  1SUSGSSA
2006-03-2921:07 UTCm62610 18.33NGVD294SUSGSSA
2006-03-2921:07 UTCm62611 17.24NAVD884SUSGSSA
2006-03-2921:07 UTCm7201991.67  4SUSGSSA
2007-03-2715:38 UTCm62610 18.75NGVD291SUSGSSA
2007-03-2715:38 UTCm62611 17.66NAVD881SUSGSSA
2007-03-2715:38 UTCm7201991.25  1SUSGSSA
2008-04-2115:04 UTCm62610 16.95NGVD291S  A
2008-04-2115:04 UTCm62611 15.86NAVD881S  A
2008-04-2115:04 UTCm7201993.05  1S  A
2009-04-2216:15 UTCm62610 15.07NGVD291S  A
2009-04-2216:15 UTCm62611 13.98NAVD881S  A
2009-04-2216:15 UTCm7201994.93  1S  A
2010-04-1915:44 UTCm62610 17.72NGVD291SUSGSSA
2010-04-1915:44 UTCm62611 16.63NAVD881SUSGSSA
2010-04-1915:44 UTCm7201992.28  1SUSGSSA
2013-04-1617:54 UTCm62610 18.12NGVD291TUSGSSA
2013-04-1617:54 UTCm62611 17.03NAVD881TUSGSSA
2013-04-1617:54 UTCm7201991.88  1TUSGSSA
2013-07-2915:10 UTCm62610 10.01NGVD291VUSGSSA
2013-07-2915:10 UTCm62611 8.92NAVD881VUSGSSA
2013-07-2915:10 UTCm7201999.99  1VUSGSSA
2014-04-1414:47 UTCm62610 15.74NGVD291SUSGSSA
2014-04-1414:47 UTCm62611 14.65NAVD881SUSGSSA
2014-04-1414:47 UTCm7201994.26  1SUSGSSA
2015-04-1615:48 UTCm62610 17.67NGVD291SUSGSSA
2015-04-1615:48 UTCm62611 16.58NAVD881SUSGSSA
2015-04-1615:48 UTCm7201992.33  1SUSGSSA
2016-04-1815:14 UTCm62610 15.53NGVD291S  A
2016-04-1815:14 UTCm62611 14.44NAVD881S  A
2016-04-1815:14 UTCm7201994.47  1S  A
2017-04-1715:43 UTCm62610 17.14NGVD291VUSGSSA
2017-04-1715:43 UTCm62611 16.05NAVD881VUSGSSA
2017-04-1715:43 UTCm7201992.86  1VUSGSSA
2018-04-1814:40 UTCm62610 17.93NGVD291TUSGSSA
2018-04-1814:40 UTCm62611 16.84NAVD881TUSGSSA
2018-04-1814:40 UTCm7201992.07  1TUSGSSA
2019-04-2214:15 UTCm62610 19.09NGVD291VUSGSSA
2019-04-2214:15 UTCm62611 18.00NAVD881VUSGSSA
2019-04-2214:15 UTCm7201990.91  1VUSGSSA
2020-10-2615:30 UTCm62610 16.92NGVD291VUSGSSA
2020-10-2615:30 UTCm62611 15.83NAVD881VUSGSSA
2020-10-2615:30 UTCm7201993.08  1VUSGSSA
2022-09-2017:37 UTCm62610 15.49NGVD291VUSGSSP
2022-09-2017:37 UTCm62611 14.40NAVD881VUSGSSP
2022-09-2017:37 UTCm7201994.51  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
Status4Groundwater level affected by tide
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-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.