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Groundwater levels for the Nation

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USGS 404832073392103 N 9607. 2

Nassau County, New York
Latitude  40°48'32", Longitude  73°39'21" NAD27
Land-surface elevation 44.0 feet above NGVD29
The depth of the well is 191 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
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Water-level
date-time
accuracy
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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
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Measuring
agency
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Source of
measurement
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Water-level
approval
status
1983-04-2916:35 UTCm62610 27.17NGVD291OUSGSSA
1983-04-2916:35 UTCm62611 26.08NAVD881OUSGSSA
1983-04-2916:35 UTCm7201916.83  1OUSGSSA
1991-11-0515:34 UTCm62610 25.91NGVD291OUSGSSA
1991-11-0515:34 UTCm62611 24.82NAVD881OUSGSSA
1991-11-0515:34 UTCm7201918.09  1OUSGSSA
1992-03-1714:41 UTCm62610 27.57NGVD294OUSGSSA
1992-03-1714:41 UTCm62611 26.48NAVD884OUSGSSA
1992-03-1714:41 UTCm7201916.43  4OUSGSSA
1992-06-0216:20 UTCm62610 25.43NGVD294OUSGSSA
1992-06-0216:20 UTCm62611 24.34NAVD884OUSGSSA
1992-06-0216:20 UTCm7201918.57  4OUSGSSA
1992-12-0917:08 UTCm62610 25.99NGVD294OUSGSSA
1992-12-0917:08 UTCm62611 24.90NAVD884OUSGSSA
1992-12-0917:08 UTCm7201918.01  4OUSGSSA
1993-03-2618:23 UTCm62610 27.02NGVD294OUSGSSA
1993-03-2618:23 UTCm62611 25.93NAVD884OUSGSSA
1993-03-2618:23 UTCm7201916.98  4OUSGSSA
1993-06-2419:33 UTCm62610 25.74NGVD294OUSGSSA
1993-06-2419:33 UTCm62611 24.65NAVD884OUSGSSA
1993-06-2419:33 UTCm7201918.26  4OUSGSSA
1993-10-0519:15 UTCm62610 24.02NGVD294OUSGSSA
1993-10-0519:15 UTCm62611 22.93NAVD884OUSGSSA
1993-10-0519:15 UTCm7201919.98  4OUSGSSA
1993-12-2916:55 UTCm62610 26.21NGVD294OUSGSSA
1993-12-2916:55 UTCm62611 25.12NAVD884OUSGSSA
1993-12-2916:55 UTCm7201917.79  4OUSGSSA
1994-03-3117:40 UTCm62610 27.05NGVD291OUSGSSA
1994-03-3117:40 UTCm62611 25.96NAVD881OUSGSSA
1994-03-3117:40 UTCm7201916.95  1OUSGSSA
1994-06-0719:44 UTCm62610 25.96NGVD291OUSGSSA
1994-06-0719:44 UTCm62611 24.87NAVD881OUSGSSA
1994-06-0719:44 UTCm7201918.04  1OUSGSSA
1994-09-1919:19 UTCm62610 24.09NGVD291OUSGSSA
1994-09-1919:19 UTCm62611 23.00NAVD881OUSGSSA
1994-09-1919:19 UTCm7201919.91  1OUSGSSA
1994-12-1514:11 UTCm62610 23.98NGVD291OUSGSSA
1994-12-1514:11 UTCm62611 22.89NAVD881OUSGSSA
1994-12-1514:11 UTCm7201920.02  1OUSGSSA
1995-03-1618:23 UTCm62610 26.05NGVD291OUSGSSA
1995-03-1618:23 UTCm62611 24.96NAVD881OUSGSSA
1995-03-1618:23 UTCm7201917.95  1OUSGSSA
1995-06-1314:18 UTCm62610 26.34NGVD291OUSGSSA
1995-06-1314:18 UTCm62611 25.25NAVD881OUSGSSA
1995-06-1314:18 UTCm7201917.66  1OUSGSSA
1995-08-2311:19 UTCm62610 23.92NGVD291OUSGSSA
1995-08-2311:19 UTCm62611 22.83NAVD881OUSGSSA
1995-08-2311:19 UTCm7201920.08  1OUSGSSA
1995-12-0519:29 UTCm62610 24.60NGVD291OUSGSSA
1995-12-0519:29 UTCm62611 23.51NAVD881OUSGSSA
1995-12-0519:29 UTCm7201919.40  1OUSGSSA
1996-03-1920:13 UTCm62610 26.07NGVD291OUSGSSA
1996-03-1920:13 UTCm62611 24.98NAVD881OUSGSSA
1996-03-1920:13 UTCm7201917.93  1OUSGSSA
1996-05-1515:02 UTCm62610 25.13NGVD291OUSGSSA
1996-05-1515:02 UTCm62611 24.04NAVD881OUSGSSA
1996-05-1515:02 UTCm7201918.87  1OUSGSSA
1996-09-1115:10 UTCm62610 24.22NGVD291OUSGSSA
1996-09-1115:10 UTCm62611 23.13NAVD881OUSGSSA
1996-09-1115:10 UTCm7201919.78  1OUSGSSA
1996-12-1120:28 UTCm62610 26.52NGVD291OUSGSSA
1996-12-1120:28 UTCm62611 25.43NAVD881OUSGSSA
1996-12-1120:28 UTCm7201917.48  1OUSGSSA
1997-03-1019:48 UTCm62610 26.99NGVD291OUSGSSA
1997-03-1019:48 UTCm62611 25.90NAVD881OUSGSSA
1997-03-1019:48 UTCm7201917.01  1OUSGSSA
1997-05-2214:16 UTCm62610 27.06NGVD291OUSGSSA
1997-05-2214:16 UTCm62611 25.97NAVD881OUSGSSA
1997-05-2214:16 UTCm7201916.94  1OUSGSSA
1997-07-2219:11 UTCm62610 25.14NGVD291OUSGSSA
1997-07-2219:11 UTCm62611 24.05NAVD881OUSGSSA
1997-07-2219:11 UTCm7201918.86  1OUSGSSA
1997-08-2016:58 UTCm62610 25.15NGVD291OUSGSSA
1997-08-2016:58 UTCm62611 24.06NAVD881OUSGSSA
1997-08-2016:58 UTCm7201918.85  1OUSGSSA
1997-09-1617:06 UTCm62610 24.74NGVD291OUSGSSA
1997-09-1617:06 UTCm62611 23.65NAVD881OUSGSSA
1997-09-1617:06 UTCm7201919.26  1OUSGSSA
2002-03-1517:15 UTCm62610 25.84NGVD294SUSGSSA
2002-03-1517:15 UTCm62611 24.75NAVD884SUSGSSA
2002-03-1517:15 UTCm7201918.16  4SUSGSSA
2003-03-1919:25 UTCm62610 24.01NGVD291SUSGSSA
2003-03-1919:25 UTCm62611 22.92NAVD881SUSGSSA
2003-03-1919:25 UTCm7201919.99  1SUSGSSA
2004-03-2317:10 UTCm62610 25.16NGVD291SUSGSSA
2004-03-2317:10 UTCm62611 24.07NAVD881SUSGSSA
2004-03-2317:10 UTCm7201918.84  1SUSGSSA
2005-04-0119:30 UTCm62610 27.26NGVD291SUSGSSA
2005-04-0119:30 UTCm62611 26.17NAVD881SUSGSSA
2005-04-0119:30 UTCm7201916.74  1SUSGSSA
2006-03-2819:40 UTCm62610 26.82NGVD291SUSGSSA
2006-03-2819:40 UTCm62611 25.73NAVD881SUSGSSA
2006-03-2819:40 UTCm7201917.18  1SUSGSSA
2010-04-1922:41 UTCm62610 30.66NGVD291S  A
2010-04-1922:41 UTCm62611 29.57NAVD881S  A
2010-04-1922:41 UTCm7201913.34  1S  A
2013-05-1517:31 UTCm62610 29.68NGVD291SUSGSSA
2013-05-1517:31 UTCm62611 28.59NAVD881SUSGSSA
2013-05-1517:31 UTCm7201914.32  1SUSGSSA
2013-07-2920:47 UTCm62610 29.64NGVD291TUSGSSA
2013-07-2920:47 UTCm62611 28.55NAVD881TUSGSSA
2013-07-2920:47 UTCm7201914.36  1TUSGSSA
2014-04-1718:49 UTCm62610 27.77NGVD294SUSGSSA
2014-04-1718:49 UTCm62611 26.68NAVD884SUSGSSA
2014-04-1718:49 UTCm7201916.23  4SUSGSSA
2016-05-2316:21 UTCm62610 27.89NGVD291TUSGSSA
2016-05-2316:21 UTCm62611 26.80NAVD881TUSGSSA
2016-05-2316:21 UTCm7201916.11  1TUSGSSA
2020-11-0417:40 UTCm62610 26.87NGVD291VUSGSSA
2020-11-0417:40 UTCm62611 25.78NAVD881VUSGSSA
2020-11-0417:40 UTCm7201917.13  1VUSGSSA
2022-05-1713:20 UTCm62610 27.89NGVD291VUSGSSA
2022-05-1713:20 UTCm62611 26.80NAVD881VUSGSSA
2022-05-1713:20 UTCm7201916.11  1VUSGSSA
2023-04-1712:39 UTCm62610 29.02NGVD291VUSGSSA
2023-04-1712:39 UTCm62611 27.93NAVD881VUSGSSA
2023-04-1712:39 UTCm7201914.98  1VUSGSSA
2024-05-0314:33 UTCm62610 30.63NGVD291VUSGSSA
2024-05-0314:33 UTCm62611 29.54NAVD881VUSGSSA
2024-05-0314:33 UTCm7201913.37  1VUSGSSA

Explanation
Section
Code
Description
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
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.