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Groundwater levels for the Nation

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USGS 404916073411601 N 2269. 1

Nassau County, New York
Latitude  40°49'16", Longitude  73°41'16" NAD27
Land-surface elevation 110.0 feet above NGVD29
The depth of the well is 231 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.
Output formats
Table of data
Tab-separated data
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Reselect period
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
1964-03-12 D62610 25.09NGVD291OUSGSSA
1964-03-12 D62611 24.00NAVD881OUSGSSA
1964-03-12 D7201984.91  1OUSGSSA
1992-12-1017:30 UTCm62610 22.48NGVD291OUSGSSA
1992-12-1017:30 UTCm62611 21.39NAVD881OUSGSSA
1992-12-1017:30 UTCm7201987.52  1OUSGSSA
1993-03-2619:50 UTCm62610 16.02NGVD294OUSGSSA
1993-03-2619:50 UTCm62611 14.93NAVD884OUSGSSA
1993-03-2619:50 UTCm7201993.98  4OUSGSSA
1993-06-2421:11 UTCm62610 15.31NGVD294OUSGSSA
1993-06-2421:11 UTCm62611 14.22NAVD884OUSGSSA
1993-06-2421:11 UTCm7201994.69  4OUSGSSA
1993-10-0519:40 UTCm62610 23.07NGVD294OUSGSSA
1993-10-0519:40 UTCm62611 21.98NAVD884OUSGSSA
1993-10-0519:40 UTCm7201986.93  4OUSGSSA
1993-12-2917:40 UTCm62610 26.31NGVD294OUSGSSA
1993-12-2917:40 UTCm62611 25.22NAVD884OUSGSSA
1993-12-2917:40 UTCm7201983.69  4OUSGSSA
1994-03-3120:38 UTCm62610 26.87NGVD294OUSGSSA
1994-03-3120:38 UTCm62611 25.78NAVD884OUSGSSA
1994-03-3120:38 UTCm7201983.13  4OUSGSSA
1994-06-0716:28 UTCm62610 19.75NGVD294OUSGSSA
1994-06-0716:28 UTCm62611 18.66NAVD884OUSGSSA
1994-06-0716:28 UTCm7201990.25  4OUSGSSA
1994-09-1916:55 UTCm62610 18.27NGVD294OUSGSSA
1994-09-1916:55 UTCm62611 17.18NAVD884OUSGSSA
1994-09-1916:55 UTCm7201991.73  4OUSGSSA
1994-12-1515:48 UTCm62610 20.01NGVD294OUSGSSA
1994-12-1515:48 UTCm62611 18.92NAVD884OUSGSSA
1994-12-1515:48 UTCm7201989.99  4OUSGSSA
1995-03-1616:18 UTCm62610 17.47NGVD294OUSGSSA
1995-03-1616:18 UTCm62611 16.38NAVD884OUSGSSA
1995-03-1616:18 UTCm7201992.53  4OUSGSSA
1995-06-1316:56 UTCm62610 18.10NGVD294OUSGSSA
1995-06-1316:56 UTCm62611 17.01NAVD884OUSGSSA
1995-06-1316:56 UTCm7201991.90  4OUSGSSA
1995-08-2316:34 UTCm62610 14.59NGVD291OUSGSSA
1995-08-2316:34 UTCm62611 13.50NAVD881OUSGSSA
1995-08-2316:34 UTCm7201995.41  1OUSGSSA
1995-12-0516:36 UTCm62610 18.50NGVD294OUSGSSA
1995-12-0516:36 UTCm62611 17.41NAVD884OUSGSSA
1995-12-0516:36 UTCm7201991.50  4OUSGSSA
1996-03-1917:40 UTCm62610 11.50NGVD294OUSGSSA
1996-03-1917:40 UTCm62611 10.41NAVD884OUSGSSA
1996-03-1917:40 UTCm7201998.50  4OUSGSSA
1996-05-1516:13 UTCm62610 11.01NGVD294OUSGSSA
1996-05-1516:13 UTCm62611 9.92NAVD884OUSGSSA
1996-05-1516:13 UTCm7201998.99  4OUSGSSA
1996-09-1116:57 UTCm62610 9.76NGVD294OUSGSSA
1996-09-1116:57 UTCm62611 8.67NAVD884OUSGSSA
1996-09-1116:57 UTCm72019100.24  4OUSGSSA
1996-12-1117:03 UTCm62610 17.65NGVD294OUSGSSA
1996-12-1117:03 UTCm62611 16.56NAVD884OUSGSSA
1996-12-1117:03 UTCm7201992.35  4OUSGSSA
1997-03-1017:40 UTCm62610 24.50NGVD291OUSGSSA
1997-03-1017:40 UTCm62611 23.41NAVD881OUSGSSA
1997-03-1017:40 UTCm7201985.50  1OUSGSSA
2005-04-0616:45 UTCm62610 29.16NGVD291SUSGSSA
2005-04-0616:45 UTCm62611 28.07NAVD881SUSGSSA
2005-04-0616:45 UTCm7201980.84  1SUSGSSA
2008-04-1615:46 UTCm62610 29.01NGVD291SUSGSSA
2008-04-1615:46 UTCm62611 27.92NAVD881SUSGSSA
2008-04-1615:46 UTCm7201980.99  1SUSGSSA
2010-05-0417:35 UTCm62610 28.41NGVD291S  A
2010-05-0417:35 UTCm62611 27.32NAVD881S  A
2010-05-0417:35 UTCm7201981.59  1S  A
2011-04-0517:48 UTCm62610 31.96NGVD291S  A
2011-04-0517:48 UTCm62611 30.87NAVD881S  A
2011-04-0517:48 UTCm7201978.04  1S  A
2012-04-0916:00 UTCm62610 32.67NGVD294S  A
2012-04-0916:00 UTCm62611 31.58NAVD884S  A
2012-04-0916:00 UTCm7201977.33  4S  A
2014-04-1115:20 UTCm62610 29.19NGVD294S  A
2014-04-1115:20 UTCm62611 28.10NAVD884S  A
2014-04-1115:20 UTCm7201980.81  4S  A
2015-04-0618:06 UTCm62610 31.28NGVD294S  A
2015-04-0618:06 UTCm62611 30.19NAVD884S  A
2015-04-0618:06 UTCm7201978.72  4S  A
2016-04-1917:00 UTCm62610 30.29NGVD291SUSGSSA
2016-04-1917:00 UTCm62611 29.20NAVD881SUSGSSA
2016-04-1917:00 UTCm7201979.71  1SUSGSSA
2017-04-1117:56 UTCm62610 28.50NGVD291SUSGSSA
2017-04-1117:56 UTCm62611 27.41NAVD881SUSGSSA
2017-04-1117:56 UTCm7201981.50  1SUSGSSA
2020-09-2917:50 UTCm62610 28.25NGVD291VUSGSSA
2020-09-2917:50 UTCm62611 27.16NAVD881VUSGSSA
2020-09-2917:50 UTCm7201981.75  1VUSGSSA
2021-04-2117:31 UTCm62610 30.29NGVD291VUSGSSA
2021-04-2117:31 UTCm62611 29.20NAVD881VUSGSSA
2021-04-2117:31 UTCm7201979.71  1VUSGSSA
2023-04-1017:30 UTCm62610 27.30NGVD291VUSGSSA
2023-04-1017:30 UTCm62611 26.21NAVD881VUSGSSA
2023-04-1017:30 UTCm7201982.70  1VUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 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.