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Groundwater levels for the Nation

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USGS 404805073401001 N 9906. 1

Nassau County, New York
Latitude  40°48'03.0", Longitude  73°40'06.9" NAD83
Land-surface elevation 168.0 feet above NGVD29
The depth of the well is 125 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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Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
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Method of
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agency
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1991-11-0516:26 UTCm62610 86.80NGVD291OUSGSSA
1991-11-0516:26 UTCm62611 85.71NAVD881OUSGSSA
1991-11-0516:26 UTCm7201981.20  1OUSGSSA
1992-03-1715:37 UTCm62610 86.19NGVD294OUSGSSA
1992-03-1715:37 UTCm62611 85.10NAVD884OUSGSSA
1992-03-1715:37 UTCm7201981.81  4OUSGSSA
1992-06-0216:55 UTCm62610 85.82NGVD294OUSGSSA
1992-06-0216:55 UTCm62611 84.73NAVD884OUSGSSA
1992-06-0216:55 UTCm7201982.18  4OUSGSSA
1992-12-0918:30 UTCm62610 85.21NGVD291OUSGSSA
1992-12-0918:30 UTCm62611 84.12NAVD881OUSGSSA
1992-12-0918:30 UTCm7201982.79  1OUSGSSA
1993-03-2617:39 UTCm62610 85.36NGVD291OUSGSSA
1993-03-2617:39 UTCm62611 84.27NAVD881OUSGSSA
1993-03-2617:39 UTCm7201982.64  1OUSGSSA
1993-06-2420:27 UTCm62610 86.16NGVD294OUSGSSA
1993-06-2420:27 UTCm62611 85.07NAVD884OUSGSSA
1993-06-2420:27 UTCm7201981.84  4OUSGSSA
1993-10-0520:00 UTCm62610 85.24NGVD294OUSGSSA
1993-10-0520:00 UTCm62611 84.15NAVD884OUSGSSA
1993-10-0520:00 UTCm7201982.76  4OUSGSSA
1993-12-2918:05 UTCm62610 85.38NGVD291OUSGSSA
1993-12-2918:05 UTCm62611 84.29NAVD881OUSGSSA
1993-12-2918:05 UTCm7201982.62  1OUSGSSA
1994-03-3116:38 UTCm62610 85.39NGVD291OUSGSSA
1994-03-3116:38 UTCm62611 84.30NAVD881OUSGSSA
1994-03-3116:38 UTCm7201982.61  1OUSGSSA
1994-06-0719:00 UTCm62610 86.08NGVD291OUSGSSA
1994-06-0719:00 UTCm62611 84.99NAVD881OUSGSSA
1994-06-0719:00 UTCm7201981.92  1OUSGSSA
1994-09-1918:11 UTCm62610 85.88NGVD291OUSGSSA
1994-09-1918:11 UTCm62611 84.79NAVD881OUSGSSA
1994-09-1918:11 UTCm7201982.12  1OUSGSSA
1994-12-1514:30 UTCm62610 85.58NGVD291OUSGSSA
1994-12-1514:30 UTCm62611 84.49NAVD881OUSGSSA
1994-12-1514:30 UTCm7201982.42  1OUSGSSA
1995-03-1613:37 UTCm62610 85.25NGVD291OUSGSSA
1995-03-1613:37 UTCm62611 84.16NAVD881OUSGSSA
1995-03-1613:37 UTCm7201982.75  1OUSGSSA
1995-06-1314:29 UTCm62610 85.12NGVD291OUSGSSA
1995-06-1314:29 UTCm62611 84.03NAVD881OUSGSSA
1995-06-1314:29 UTCm7201982.88  1OUSGSSA
1995-08-2312:33 UTCm62610 84.91NGVD291OUSGSSA
1995-08-2312:33 UTCm62611 83.82NAVD881OUSGSSA
1995-08-2312:33 UTCm7201983.09  1OUSGSSA
1995-12-0514:54 UTCm62610 84.68NGVD291OUSGSSA
1995-12-0514:54 UTCm62611 83.59NAVD881OUSGSSA
1995-12-0514:54 UTCm7201983.32  1OUSGSSA
1996-03-1919:24 UTCm62610 85.08NGVD291OUSGSSA
1996-03-1919:24 UTCm62611 83.99NAVD881OUSGSSA
1996-03-1919:24 UTCm7201982.92  1OUSGSSA
1996-05-1518:28 UTCm62610 85.42NGVD291OUSGSSA
1996-05-1518:28 UTCm62611 84.33NAVD881OUSGSSA
1996-05-1518:28 UTCm7201982.58  1OUSGSSA
1996-09-1118:50 UTCm62610 85.80NGVD291OUSGSSA
1996-09-1118:50 UTCm62611 84.71NAVD881OUSGSSA
1996-09-1118:50 UTCm7201982.20  1OUSGSSA
1996-12-1119:07 UTCm62610 85.35NGVD291OUSGSSA
1996-12-1119:07 UTCm62611 84.26NAVD881OUSGSSA
1996-12-1119:07 UTCm7201982.65  1OUSGSSA
1997-03-1015:45 UTCm62610 85.93NGVD291OUSGSSA
1997-03-1015:45 UTCm62611 84.84NAVD881OUSGSSA
1997-03-1015:45 UTCm7201982.07  1OUSGSSA
2002-03-1519:50 UTCm62610 85.52NGVD291SUSGSSA
2002-03-1519:50 UTCm62611 84.43NAVD881SUSGSSA
2002-03-1519:50 UTCm7201982.48  1SUSGSSA
2003-03-1914:49 UTCm62610 85.61NGVD291SUSGSSA
2003-03-1914:49 UTCm62611 84.52NAVD881SUSGSSA
2003-03-1914:49 UTCm7201982.39  1SUSGSSA
2004-03-2314:50 UTCm62610 86.52NGVD291SUSGSSA
2004-03-2314:50 UTCm62611 85.43NAVD881SUSGSSA
2004-03-2314:50 UTCm7201981.48  1SUSGSSA
2005-03-2414:01 UTCm62610 86.63NGVD291SUSGSSA
2005-03-2414:01 UTCm62611 85.54NAVD881SUSGSSA
2005-03-2414:01 UTCm7201981.37  1SUSGSSA
2006-03-2819:00 UTCm62610 87.69NGVD291SUSGSSA
2006-03-2819:00 UTCm62611 86.60NAVD881SUSGSSA
2006-03-2819:00 UTCm7201980.31  1SUSGSSA
2008-04-2215:30 UTCm62610 87.47NGVD291S  A
2008-04-2215:30 UTCm62611 86.38NAVD881S  A
2008-04-2215:30 UTCm7201980.53  1S  A
2008-10-2114:56 UTCm62610 87.12NGVD291S  A
2008-10-2114:56 UTCm62611 86.03NAVD881S  A
2008-10-2114:56 UTCm7201980.88  1S  A
2008-12-0116:02 UTCm62610 86.97NGVD291S  A
2008-12-0116:02 UTCm62611 85.88NAVD881S  A
2008-12-0116:02 UTCm7201981.03  1S  A
2010-04-2020:30 UTCm62610 87.80NGVD291SUSGSSA
2010-04-2020:30 UTCm62611 86.71NAVD881SUSGSSA
2010-04-2020:30 UTCm7201980.20  1SUSGSSA
2011-04-1518:37 UTCm62610 87.33NGVD291SUSGSSA
2011-04-1518:37 UTCm62611 86.24NAVD881SUSGSSA
2011-04-1518:37 UTCm7201980.67  1SUSGSSA
2012-04-1619:26 UTCm62610 87.64NGVD291SUSGSSA
2012-04-1619:26 UTCm62611 86.55NAVD881SUSGSSA
2012-04-1619:26 UTCm7201980.36  1SUSGSSA
2013-04-1716:57 UTCm62610 86.81NGVD291SUSGSSA
2013-04-1716:57 UTCm62611 85.72NAVD881SUSGSSA
2013-04-1716:57 UTCm7201981.19  1SUSGSSA
2013-07-2417:55 UTCm62610 86.95NGVD291TUSGSSA
2013-07-2417:55 UTCm62611 85.86NAVD881TUSGSSA
2013-07-2417:55 UTCm7201981.05  1TUSGSSA
2013-07-2917:45 UTCm62610 86.95NGVD291TUSGSSA
2013-07-2917:45 UTCm62611 85.86NAVD881TUSGSSA
2013-07-2917:45 UTCm7201981.05  1TUSGSSA
2014-04-1418:30 UTCm62610 85.98NGVD291SUSGSSA
2014-04-1418:30 UTCm62611 84.89NAVD881SUSGSSA
2014-04-1418:30 UTCm7201982.02  1SUSGSSA
2015-04-1618:30 UTCm62610 86.66NGVD291SUSGSSA
2015-04-1618:30 UTCm62611 85.57NAVD881SUSGSSA
2015-04-1618:30 UTCm7201981.34  1SUSGSSA
2016-04-1820:55 UTCm62610 86.42NGVD291S  A
2016-04-1820:55 UTCm62611 85.33NAVD881S  A
2016-04-1820:55 UTCm7201981.58  1S  A
2017-04-1718:34 UTCm62610 85.72NGVD291VUSGSSA
2017-04-1718:34 UTCm62611 84.63NAVD881VUSGSSA
2017-04-1718:34 UTCm7201982.28  1VUSGSSA
2018-04-1818:42 UTCm62610 86.24NGVD291TUSGSSA
2018-04-1818:42 UTCm62611 85.15NAVD881TUSGSSA
2018-04-1818:42 UTCm7201981.76  1TUSGSSA
2019-04-2218:45 UTCm62610 88.08NGVD291VUSGSSA
2019-04-2218:45 UTCm62611 86.99NAVD881VUSGSSA
2019-04-2218:45 UTCm7201979.92  1VUSGSSA
2021-04-2817:53 UTCm62610 87.41NGVD291VUSGSSA
2021-04-2817:53 UTCm62611 86.32NAVD881VUSGSSA
2021-04-2817:53 UTCm7201980.59  1VUSGSSA
2022-05-1915:28 UTCm62610 87.41NGVD291VUSGSSA
2022-05-1915:28 UTCm62611 86.32NAVD881VUSGSSA
2022-05-1915:28 UTCm7201980.59  1VUSGSSA
2023-05-1116:45 UTCm62610 86.90NGVD291VUSGSSA
2023-05-1116:45 UTCm62611 85.81NAVD881VUSGSSA
2023-05-1116:45 UTCm7201981.10  1VUSGSSA
2024-05-1023:16 UTCm62610 88.39NGVD291VUSGSSA
2024-05-1023:16 UTCm62611 87.30NAVD881VUSGSSA
2024-05-1023:16 UTCm7201979.61  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
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.