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Groundwater levels for the Nation

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  • 404544073265502
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USGS 404544073265502 N 7397. 2

Nassau County, New York
Latitude  40°45'45.3", Longitude  73°26'54.5" NAD83
Land-surface elevation 154.0 feet above NGVD29
The depth of the well is 101 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
?
 
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
1984-04-2715:27 UTCm62610 74.32NGVD291OUSGSSA
1984-04-2715:27 UTCm62611 73.14NAVD881OUSGSSA
1984-04-2715:27 UTCm7201979.68  1OUSGSSA
1984-05-1814:50 UTCm62610 74.94NGVD291OUSGSSA
1984-05-1814:50 UTCm62611 73.76NAVD881OUSGSSA
1984-05-1814:50 UTCm7201979.06  1OUSGSSA
1984-08-2217:20 UTCm62610 77.83NGVD291OUSGSSA
1984-08-2217:20 UTCm62611 76.65NAVD881OUSGSSA
1984-08-2217:20 UTCm7201976.17  1OUSGSSA
1984-11-0715:00 UTCm62610 76.63NGVD291OUSGSSA
1984-11-0715:00 UTCm62611 75.45NAVD881OUSGSSA
1984-11-0715:00 UTCm7201977.37  1OUSGSSA
1985-02-2215:20 UTCm62610 76.67NGVD291OUSGSSA
1985-02-2215:20 UTCm62611 75.49NAVD881OUSGSSA
1985-02-2215:20 UTCm7201977.33  1OUSGSSA
1985-06-0517:20 UTCm62610 74.14NGVD291OUSGSSA
1985-06-0517:20 UTCm62611 72.96NAVD881OUSGSSA
1985-06-0517:20 UTCm7201979.86  1OUSGSSA
1985-08-1613:25 UTCm62610 72.33NGVD291OUSGSSA
1985-08-1613:25 UTCm62611 71.15NAVD881OUSGSSA
1985-08-1613:25 UTCm7201981.67  1OUSGSSA
1986-01-1716:00 UTCm62610 71.97NGVD291OUSGSSA
1986-01-1716:00 UTCm62611 70.79NAVD881OUSGSSA
1986-01-1716:00 UTCm7201982.03  1OUSGSSA
1986-03-3118:10 UTCm62610 70.49NGVD291OUSGSSA
1986-03-3118:10 UTCm62611 69.31NAVD881OUSGSSA
1986-03-3118:10 UTCm7201983.51  1OUSGSSA
1990-03-2613:50 UTCm62610 71.83NGVD291OUSGSSA
1990-03-2613:50 UTCm62611 70.65NAVD881OUSGSSA
1990-03-2613:50 UTCm7201982.17  1OUSGSSA
1991-03-2013:45 UTCm62610 73.79NGVD291OUSGSSA
1991-03-2013:45 UTCm62611 72.61NAVD881OUSGSSA
1991-03-2013:45 UTCm7201980.21  1OUSGSSA
1992-03-1714:50 UTCm62610 72.77NGVD291OUSGSSA
1992-03-1714:50 UTCm62611 71.59NAVD881OUSGSSA
1992-03-1714:50 UTCm7201981.23  1OUSGSSA
1993-03-2314:15 UTCm62610 69.01NGVD291OUSGSSA
1993-03-2314:15 UTCm62611 67.83NAVD881OUSGSSA
1993-03-2314:15 UTCm7201984.99  1OUSGSSA
1994-04-0113:50 UTCm62610 67.35NGVD291OUSGSSA
1994-04-0113:50 UTCm62611 66.17NAVD881OUSGSSA
1994-04-0113:50 UTCm7201986.65  1OUSGSSA
1995-03-1413:30 UTCm62610 65.12NGVD291OUSGSSA
1995-03-1413:30 UTCm62611 63.94NAVD881OUSGSSA
1995-03-1413:30 UTCm7201988.88  1OUSGSSA
1996-03-1414:10 UTCm62610 62.66NGVD291OUSGSSA
1996-03-1414:10 UTCm62611 61.48NAVD881OUSGSSA
1996-03-1414:10 UTCm7201991.34  1OUSGSSA
1997-03-1214:32 UTCm62610 66.68NGVD291OUSGSSA
1997-03-1214:32 UTCm62611 65.50NAVD881OUSGSSA
1997-03-1214:32 UTCm7201987.32  1OUSGSSA
1998-03-2515:13 UTCm62610 68.14NGVD291SUSGSSA
1998-03-2515:13 UTCm62611 66.96NAVD881SUSGSSA
1998-03-2515:13 UTCm7201985.86  1SUSGSSA
1999-03-3017:40 UTCm62610 69.62NGVD291SUSGSSA
1999-03-3017:40 UTCm62611 68.44NAVD881SUSGSSA
1999-03-3017:40 UTCm7201984.38  1SUSGSSA
2000-03-2018:37 UTCm62610 66.56NGVD291SUSGSSA
2000-03-2018:37 UTCm62611 65.38NAVD881SUSGSSA
2000-03-2018:37 UTCm7201987.44  1SUSGSSA
2001-03-1919:56 UTCm62610 67.46NGVD291SUSGSSA
2001-03-1919:56 UTCm62611 66.28NAVD881SUSGSSA
2001-03-1919:56 UTCm7201986.54  1SUSGSSA
2002-03-2215:00 UTCm62610 65.16NGVD291SUSGSSA
2002-03-2215:00 UTCm62611 63.98NAVD881SUSGSSA
2002-03-2215:00 UTCm7201988.84  1SUSGSSA
2003-03-2816:50 UTCm62610 65.28NGVD291SUSGSSA
2003-03-2816:50 UTCm62611 64.10NAVD881SUSGSSA
2003-03-2816:50 UTCm7201988.72  1SUSGSSA
2006-03-2314:30 UTCm62610 72.79NGVD291S  A
2006-03-2314:30 UTCm62611 71.61NAVD881S  A
2006-03-2314:30 UTCm7201981.21  1S  A
2008-04-2119:23 UTCm62610 90.00NGVD291S  A
2008-04-2119:23 UTCm62611 88.82NAVD881S  A
2008-04-2119:23 UTCm7201964.00  1S  A
2011-04-1820:28 UTCm62610 71.41NGVD291TUSGSSA
2011-04-1820:28 UTCm62611 70.23NAVD881TUSGSSA
2011-04-1820:28 UTCm7201982.59  1TUSGSSA
2012-04-1816:41 UTCm62610 72.64NGVD291SUSGSSA
2012-04-1816:41 UTCm62611 71.46NAVD881SUSGSSA
2012-04-1816:41 UTCm7201981.36  1SUSGSSA
2013-04-1611:58 UTCm62610 70.19NGVD291TUSGSSA
2013-04-1611:58 UTCm62611 69.01NAVD881TUSGSSA
2013-04-1611:58 UTCm7201983.81  1TUSGSSA
2016-04-1918:12 UTCm62610 66.53NGVD291TUSGSSA
2016-04-1918:12 UTCm62611 65.35NAVD881TUSGSSA
2016-04-1918:12 UTCm7201987.47  1TUSGSSA
2017-04-1817:34 UTCm62610 81.49NGVD291TUSGSSA
2017-04-1817:34 UTCm62611 80.31NAVD881TUSGSSA
2017-04-1817:34 UTCm7201972.51  1TUSGSSA
2018-04-1918:00 UTCm62610 65.13NGVD291VUSGSSA
2018-04-1918:00 UTCm62611 63.95NAVD881VUSGSSA
2018-04-1918:00 UTCm7201988.87  1VUSGSSA
2024-05-1421:37 UTCm62610 73.47NGVD291VUSGSSA
2024-05-1421:37 UTCm62611 72.29NAVD881VUSGSSA
2024-05-1421:37 UTCm7201980.53  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
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.