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Groundwater levels for the Nation

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  • 405312073300103
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USGS 405312073300103 N 12733. 1

Nassau County, New York
Latitude  40°53'12.9", Longitude  73°29'58.5" NAD83
Land-surface elevation 155 feet above NGVD29
The depth of the well is 708 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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Water
level,
feet
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land
surface
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level,
feet
above
specific
vertical
datum
Referenced
vertical
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1996-12-1219:14 UTCm62610 20.84NGVD291OUSGSSA
1996-12-1219:14 UTCm62611 19.77NAVD881OUSGSSA
1996-12-1219:14 UTCm72019134.16  1OUSGSSA
1997-02-2113:44 UTCm62610 20.17NGVD294SUSGSSA
1997-02-2113:44 UTCm62611 19.10NAVD884SUSGSSA
1997-02-2113:44 UTCm72019134.83  4SUSGSSA
1997-03-1118:53 UTCm62610 21.28NGVD294OUSGSSA
1997-03-1118:53 UTCm62611 20.21NAVD884OUSGSSA
1997-03-1118:53 UTCm72019133.72  4OUSGSSA
1997-05-2217:05 UTCm62610 20.47NGVD294OUSGSSA
1997-05-2217:05 UTCm62611 19.40NAVD884OUSGSSA
1997-05-2217:05 UTCm72019134.53  4OUSGSSA
1997-06-1914:18 UTCm62610 19.98NGVD291OUSGSSA
1997-06-1914:18 UTCm62611 18.91NAVD881OUSGSSA
1997-06-1914:18 UTCm72019135.02  1OUSGSSA
1997-07-2319:47 UTCm62610 20.10NGVD294OUSGSSA
1997-07-2319:47 UTCm62611 19.03NAVD884OUSGSSA
1997-07-2319:47 UTCm72019134.90  4OUSGSSA
1997-08-1915:26 UTCm62610 19.11NGVD294OUSGSSA
1997-08-1915:26 UTCm62611 18.04NAVD884OUSGSSA
1997-08-1915:26 UTCm72019135.89  4OUSGSSA
1997-08-2119:05 UTCm62610 21.43NGVD294OUSGSSA
1997-08-2119:05 UTCm62611 20.36NAVD884OUSGSSA
1997-08-2119:05 UTCm72019133.57  4OUSGSSA
1997-09-1717:10 UTCm62610 20.68NGVD294OUSGSSA
1997-09-1717:10 UTCm62611 19.61NAVD884OUSGSSA
1997-09-1717:10 UTCm72019134.32  4OUSGSSA
1997-10-2812:55 UTCm62610 19.64NGVD294SUSGSSA
1997-10-2812:55 UTCm62611 18.57NAVD884SUSGSSA
1997-10-2812:55 UTCm72019135.36  4SUSGSSA
1997-11-2512:34 UTCm62610 20.01NGVD294SUSGSSA
1997-11-2512:34 UTCm62611 18.94NAVD884SUSGSSA
1997-11-2512:34 UTCm72019134.99  4SUSGSSA
1997-12-1515:47 UTCm62610 19.93NGVD294SUSGSSA
1997-12-1515:47 UTCm62611 18.86NAVD884SUSGSSA
1997-12-1515:47 UTCm72019135.07  4SUSGSSA
1998-01-1516:55 UTCm62610 19.95NGVD294SUSGSSA
1998-01-1516:55 UTCm62611 18.88NAVD884SUSGSSA
1998-01-1516:55 UTCm72019135.05  4SUSGSSA
1998-02-2614:37 UTCm62610 20.55NGVD294SUSGSSA
1998-02-2614:37 UTCm62611 19.48NAVD884SUSGSSA
1998-02-2614:37 UTCm72019134.45  4SUSGSSA
1998-03-3019:19 UTCm62610 21.34NGVD294SUSGSSA
1998-03-3019:19 UTCm62611 20.27NAVD884SUSGSSA
1998-03-3019:19 UTCm72019133.66  4SUSGSSA
1998-04-2715:40 UTCm62610 20.38NGVD294SUSGSSA
1998-04-2715:40 UTCm62611 19.31NAVD884SUSGSSA
1998-04-2715:40 UTCm72019134.62  4SUSGSSA
1998-05-2817:20 UTCm62610 20.20NGVD294SUSGSSA
1998-05-2817:20 UTCm62611 19.13NAVD884SUSGSSA
1998-05-2817:20 UTCm72019134.80  4SUSGSSA
1998-06-2515:57 UTCm62610 20.02NGVD294SUSGSSA
1998-06-2515:57 UTCm62611 18.95NAVD884SUSGSSA
1998-06-2515:57 UTCm72019134.98  4SUSGSSA
1998-07-2012:15 UTCm62610 19.75NGVD294SUSGSSA
1998-07-2012:15 UTCm62611 18.68NAVD884SUSGSSA
1998-07-2012:15 UTCm72019135.25  4SUSGSSA
1998-08-2416:33 UTCm62610 19.89NGVD294SUSGSSA
1998-08-2416:33 UTCm62611 18.82NAVD884SUSGSSA
1998-08-2416:33 UTCm72019135.11  4SUSGSSA
1998-09-1712:34 UTCm62610 19.77NGVD294SUSGSSA
1998-09-1712:34 UTCm62611 18.70NAVD884SUSGSSA
1998-09-1712:34 UTCm72019135.23  4SUSGSSA
1998-10-1914:55 UTCm62610 20.62NGVD294SUSGSSA
1998-10-1914:55 UTCm62611 19.55NAVD884SUSGSSA
1998-10-1914:55 UTCm72019134.38  4SUSGSSA
1998-11-1713:49 UTCm62610 20.77NGVD294SUSGSSA
1998-11-1713:49 UTCm62611 19.70NAVD884SUSGSSA
1998-11-1713:49 UTCm72019134.23  4SUSGSSA
1998-12-1513:20 UTCm62610 20.69NGVD294SUSGSSA
1998-12-1513:20 UTCm62611 19.62NAVD884SUSGSSA
1998-12-1513:20 UTCm72019134.31  4SUSGSSA
2006-03-3018:10 UTCm62610 22.50NGVD294SUSGSSA
2006-03-3018:10 UTCm62611 21.43NAVD884SUSGSSA
2006-03-3018:10 UTCm72019132.50  4SUSGSSA
2007-03-2719:39 UTCm62610 20.59NGVD291SUSGSSA
2007-03-2719:39 UTCm62611 19.52NAVD881SUSGSSA
2007-03-2719:39 UTCm72019134.41  1SUSGSSA
2008-04-2219:34 UTCm62610 22.06NGVD29PS  A
2008-04-2219:34 UTCm62611 20.99NAVD88PS  A
2008-04-2219:34 UTCm72019132.94  PS  A
2009-04-2314:50 UTCm62610 21.41NGVD294S  A
2009-04-2314:50 UTCm62611 20.34NAVD884S  A
2009-04-2314:50 UTCm72019133.59  4S  A
2010-04-2715:13 UTCm62610 22.89NGVD291SUSGSSA
2010-04-2715:13 UTCm62611 21.82NAVD881SUSGSSA
2010-04-2715:13 UTCm72019132.11  1SUSGSSA
2011-04-2915:27 UTCm62610 22.29NGVD294SUSGSSA
2011-04-2915:27 UTCm62611 21.22NAVD884SUSGSSA
2011-04-2915:27 UTCm72019132.71  4SUSGSSA
2012-04-2720:06 UTCm62610 21.39NGVD294SUSGSSA
2012-04-2720:06 UTCm62611 20.32NAVD884SUSGSSA
2012-04-2720:06 UTCm72019133.61  4SUSGSSA
2013-04-2315:06 UTCm62610 21.97NGVD294SUSGSSA
2013-04-2315:06 UTCm62611 20.90NAVD884SUSGSSA
2013-04-2315:06 UTCm72019133.03  4SUSGSSA
2013-07-2412:25 UTCm62610 18.32NGVD291TUSGSSA
2013-07-2412:25 UTCm62611 17.25NAVD881TUSGSSA
2013-07-2412:25 UTCm72019136.68  1TUSGSSA
2013-07-3022:25 UTCm62610 20.48NGVD294TUSGSSA
2013-07-3022:25 UTCm62611 19.41NAVD884TUSGSSA
2013-07-3022:25 UTCm72019134.52  4TUSGSSA
2014-04-1716:20 UTCm62610 19.75NGVD294SUSGSSA
2014-04-1716:20 UTCm62611 18.68NAVD884SUSGSSA
2014-04-1716:20 UTCm72019135.25  4SUSGSSA
2015-04-1614:35 UTCm62610 21.33NGVD294TUSGSSA
2015-04-1614:35 UTCm62611 20.26NAVD884TUSGSSA
2015-04-1614:35 UTCm72019133.67  4TUSGSSA
2016-04-1815:19 UTCm62610 20.79NGVD291SUSGSSA
2016-04-1815:19 UTCm62611 19.72NAVD881SUSGSSA
2016-04-1815:19 UTCm72019134.21  1SUSGSSA
2017-04-2416:10 UTCm62610 20.02NGVD291SUSGSSA
2017-04-2416:10 UTCm62611 18.95NAVD881SUSGSSA
2017-04-2416:10 UTCm72019134.98  1SUSGSSA
2020-11-0519:20 UTCm62610 20.82NGVD291VUSGSSA
2020-11-0519:20 UTCm62611 19.75NAVD881VUSGSSA
2020-11-0519:20 UTCm72019134.18  1VUSGSSA
2021-04-2714:47 UTCm62610 19.86NGVD291VUSGSSA
2021-04-2714:47 UTCm62611 18.79NAVD881VUSGSSA
2021-04-2714:47 UTCm72019135.14  1VUSGSSA
2022-05-1615:20 UTCm62610 21.20NGVD294VUSGSSA
2022-05-1615:20 UTCm62611 20.13NAVD884VUSGSSA
2022-05-1615:20 UTCm72019133.80  4VUSGSSA
2023-04-1813:59 UTCm62610 20.55NGVD294VUSGSSA
2023-04-1813:59 UTCm62611 19.48NAVD884VUSGSSA
2023-04-1813:59 UTCm72019134.45  4VUSGSSA
2024-05-0613:54 UTCm62610 21.21NGVD294VUSGSSA
2024-05-0613:54 UTCm62611 20.14NAVD884VUSGSSA
2024-05-0613:54 UTCm72019133.79  4VUSGSSA

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
StatusPPumping
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.