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Groundwater levels for the Nation

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Agency code = usgs
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  • 404910073271601
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USGS 404910073271601 N 10608. 1

Nassau County, New York
Latitude  40°49'13.4", Longitude  73°27'07.8" NAD83
Land-surface elevation 249.0 feet above NGVD29
The depth of the well is 282 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 Magothy Aquifer (211MAGT) local aquifer.
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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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agency
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measurement
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Water-level
approval
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1990-03-2615:50 UTCm62610 72.80NGVD291OUSGSSA
1990-03-2615:50 UTCm62611 71.74NAVD881OUSGSSA
1990-03-2615:50 UTCm72019176.20  1OUSGSSA
1992-06-0415:28 UTCm62610 73.88NGVD291OUSGSSA
1992-06-0415:28 UTCm62611 72.82NAVD881OUSGSSA
1992-06-0415:28 UTCm72019175.12  1OUSGSSA
1992-12-0414:00 UTCm62610 71.50NGVD291OUSGSSA
1992-12-0414:00 UTCm62611 70.44NAVD881OUSGSSA
1992-12-0414:00 UTCm72019177.50  1OUSGSSA
1993-06-2213:17 UTCm62610 71.10NGVD291OUSGSSA
1993-06-2213:17 UTCm62611 70.04NAVD881OUSGSSA
1993-06-2213:17 UTCm72019177.90  1OUSGSSA
1993-12-2216:27 UTCm62610 69.95NGVD291OUSGSSA
1993-12-2216:27 UTCm62611 68.89NAVD881OUSGSSA
1993-12-2216:27 UTCm72019179.05  1OUSGSSA
1994-06-0915:40 UTCm62610 69.37NGVD291OUSGSSA
1994-06-0915:40 UTCm62611 68.31NAVD881OUSGSSA
1994-06-0915:40 UTCm72019179.63  1OUSGSSA
1994-12-2219:56 UTCm62610 68.94NGVD291OUSGSSA
1994-12-2219:56 UTCm62611 67.88NAVD881OUSGSSA
1994-12-2219:56 UTCm72019180.06  1OUSGSSA
1995-06-1416:14 UTCm62610 67.76NGVD291OUSGSSA
1995-06-1416:14 UTCm62611 66.70NAVD881OUSGSSA
1995-06-1416:14 UTCm72019181.24  1OUSGSSA
1995-12-0614:03 UTCm62610 65.80NGVD291OUSGSSA
1995-12-0614:03 UTCm62611 64.74NAVD881OUSGSSA
1995-12-0614:03 UTCm72019183.20  1OUSGSSA
1996-03-1816:55 UTCm62610 65.29NGVD291OUSGSSA
1996-03-1816:55 UTCm62611 64.23NAVD881OUSGSSA
1996-03-1816:55 UTCm72019183.71  1OUSGSSA
1996-05-1612:55 UTCm62610 65.28NGVD291OUSGSSA
1996-05-1612:55 UTCm62611 64.22NAVD881OUSGSSA
1996-05-1612:55 UTCm72019183.72  1OUSGSSA
1996-09-1113:10 UTCm62610 65.45NGVD291OUSGSSA
1996-09-1113:10 UTCm62611 64.39NAVD881OUSGSSA
1996-09-1113:10 UTCm72019183.55  1OUSGSSA
1996-12-1119:40 UTCm62610 66.75NGVD291OUSGSSA
1996-12-1119:40 UTCm62611 65.69NAVD881OUSGSSA
1996-12-1119:40 UTCm72019182.25  1OUSGSSA
1997-03-1116:13 UTCm62610 68.31NGVD291OUSGSSA
1997-03-1116:13 UTCm62611 67.25NAVD881OUSGSSA
1997-03-1116:13 UTCm72019180.69  1OUSGSSA
1997-05-2214:56 UTCm62610 68.91NGVD291OUSGSSA
1997-05-2214:56 UTCm62611 67.85NAVD881OUSGSSA
1997-05-2214:56 UTCm72019180.09  1OUSGSSA
1997-07-2317:34 UTCm62610 68.82NGVD291OUSGSSA
1997-07-2317:34 UTCm62611 67.76NAVD881OUSGSSA
1997-07-2317:34 UTCm72019180.18  1OUSGSSA
1997-08-2117:40 UTCm62610 69.22NGVD291OUSGSSA
1997-08-2117:40 UTCm62611 68.16NAVD881OUSGSSA
1997-08-2117:40 UTCm72019179.78  1OUSGSSA
1997-09-1718:45 UTCm62610 68.89NGVD291OUSGSSA
1997-09-1718:45 UTCm62611 67.83NAVD881OUSGSSA
1997-09-1718:45 UTCm72019180.11  1OUSGSSA
1999-03-3018:50 UTCm62610 71.74NGVD291SUSGSSA
1999-03-3018:50 UTCm62611 70.68NAVD881SUSGSSA
1999-03-3018:50 UTCm72019177.26  1SUSGSSA
2000-03-2019:48 UTCm62610 68.91NGVD291SUSGSSA
2000-03-2019:48 UTCm62611 67.85NAVD881SUSGSSA
2000-03-2019:48 UTCm72019180.09  1SUSGSSA
2001-03-2017:21 UTCm62610 68.77NGVD291SUSGSSA
2001-03-2017:21 UTCm62611 67.71NAVD881SUSGSSA
2001-03-2017:21 UTCm72019180.23  1SUSGSSA
2002-03-2216:11 UTCm62610 68.41NGVD291SUSGSSA
2002-03-2216:11 UTCm62611 67.35NAVD881SUSGSSA
2002-03-2216:11 UTCm72019180.59  1SUSGSSA
2003-03-2720:15 UTCm62610 64.07NGVD291SUSGSSA
2003-03-2720:15 UTCm62611 63.01NAVD881SUSGSSA
2003-03-2720:15 UTCm72019184.93  1SUSGSSA
2004-03-1515:57 UTCm62610 68.65NGVD291SUSGSSA
2004-03-1515:57 UTCm62611 67.59NAVD881SUSGSSA
2004-03-1515:57 UTCm72019180.35  1SUSGSSA
2005-03-1415:28 UTCm62610 69.50NGVD291SUSGSSA
2005-03-1415:28 UTCm62611 68.44NAVD881SUSGSSA
2005-03-1415:28 UTCm72019179.50  1SUSGSSA
2006-03-2213:38 UTCm62610 72.65NGVD291SUSGSSA
2006-03-2213:38 UTCm62611 71.59NAVD881SUSGSSA
2006-03-2213:38 UTCm72019176.35  1SUSGSSA
2007-03-2614:04 UTCm62610 74.69NGVD291SUSGSSA
2007-03-2614:04 UTCm62611 73.63NAVD881SUSGSSA
2007-03-2614:04 UTCm72019174.31  1SUSGSSA
2008-04-3016:18 UTCm62610 71.70NGVD291SUSGSSA
2008-04-3016:18 UTCm62611 70.64NAVD881SUSGSSA
2008-04-3016:18 UTCm72019177.30  1SUSGSSA
2009-04-2314:40 UTCm62610 73.34NGVD291SUSGSSA
2009-04-2314:40 UTCm62611 72.28NAVD881SUSGSSA
2009-04-2314:40 UTCm72019175.66  1SUSGSSA
2010-04-2114:34 UTCm62610 73.84NGVD291SUSGSSA
2010-04-2114:34 UTCm62611 72.78NAVD881SUSGSSA
2010-04-2114:34 UTCm72019175.16  1SUSGSSA
2011-04-2215:27 UTCm62610 74.29NGVD291SUSGSSA
2011-04-2215:27 UTCm62611 73.23NAVD881SUSGSSA
2011-04-2215:27 UTCm72019174.71  1SUSGSSA
2012-04-1815:13 UTCm62610 73.92NGVD291SUSGSSA
2012-04-1815:13 UTCm62611 72.86NAVD881SUSGSSA
2012-04-1815:13 UTCm72019175.08  1SUSGSSA
2013-04-1815:16 UTCm62610 72.89NGVD291SUSGSSA
2013-04-1815:16 UTCm62611 71.83NAVD881SUSGSSA
2013-04-1815:16 UTCm72019176.11  1SUSGSSA
2014-04-1713:50 UTCm62610 70.75NGVD291SUSGSSA
2014-04-1713:50 UTCm62611 69.69NAVD881SUSGSSA
2014-04-1713:50 UTCm72019178.25  1SUSGSSA
2015-04-2214:46 UTCm62610 70.61NGVD291SUSGSSA
2015-04-2214:46 UTCm62611 69.55NAVD881SUSGSSA
2015-04-2214:46 UTCm72019178.39  1SUSGSSA
2016-04-2015:43 UTCm62610 69.43NGVD291TUSGSSA
2016-04-2015:43 UTCm62611 68.37NAVD881TUSGSSA
2016-04-2015:43 UTCm72019179.57  1TUSGSSA
2017-04-1914:20 UTCm62610 66.45NGVD291TUSGSSA
2017-04-1914:20 UTCm62611 65.39NAVD881TUSGSSA
2017-04-1914:20 UTCm72019182.55  1TUSGSSA
2019-04-1714:18 UTCm62610 67.96NGVD291VUSGSSA
2019-04-1714:18 UTCm62611 66.90NAVD881VUSGSSA
2019-04-1714:18 UTCm72019181.04  1VUSGSSA
2020-10-2114:08 UTCm62610 70.70NGVD291VUSGSSA
2020-10-2114:08 UTCm62611 69.64NAVD881VUSGSSA
2020-10-2114:08 UTCm72019178.30  1VUSGSSA
2021-04-1914:15 UTCm62610 71.24NGVD291VUSGSSA
2021-04-1914:15 UTCm62611 70.18NAVD881VUSGSSA
2021-04-1914:15 UTCm72019177.76  1VUSGSSA
2022-05-1716:45 UTCm62610 71.79NGVD291VUSGSSA
2022-05-1716:45 UTCm62611 70.73NAVD881VUSGSSA
2022-05-1716:45 UTCm72019177.21  1VUSGSSA
2023-04-2715:30 UTCm62610 69.56NGVD291VUSGSSA
2023-04-2715:30 UTCm62611 68.50NAVD881VUSGSSA
2023-04-2715:30 UTCm72019179.44  1VUSGSSA
2024-05-0817:35 UTCm62610 70.42NGVD291VUSGSSA
2024-05-0817:35 UTCm62611 69.36NAVD881VUSGSSA
2024-05-0817:35 UTCm72019178.58  1VUSGSSA
2024-10-2315:39 UTCm62610 71.39NGVD291VUSGSSP
2024-10-2315:39 UTCm62611 70.33NAVD881VUSGSSP
2024-10-2315:39 UTCm72019177.61  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 measurementOObserved.
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.