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Groundwater levels for the Nation

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USGS 404827073422301 N 9899. 1

Nassau County, New York
Latitude  40°48'27", Longitude  73°42'23" NAD27
Land-surface elevation 43.0 feet above NGVD29
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
1991-11-0717:48 UTCm62610 15.14NGVD291OUSGSSA
1991-11-0717:48 UTCm62611 14.05NAVD881OUSGSSA
1991-11-0717:48 UTCm7201927.86  1OUSGSSA
1992-03-1715:40 UTCm62610 14.38NGVD294OUSGSSA
1992-03-1715:40 UTCm62611 13.29NAVD884OUSGSSA
1992-03-1715:40 UTCm7201928.62  4OUSGSSA
1992-05-2019:50 UTCm62610 14.44NGVD294OUSGSSA
1992-05-2019:50 UTCm62611 13.35NAVD884OUSGSSA
1992-05-2019:50 UTCm7201928.56  4OUSGSSA
1992-12-0816:23 UTCm62610 14.04NGVD291OUSGSSA
1992-12-0816:23 UTCm62611 12.95NAVD881OUSGSSA
1992-12-0816:23 UTCm7201928.96  1OUSGSSA
1993-03-2519:12 UTCm62610 14.96NGVD291OUSGSSA
1993-03-2519:12 UTCm62611 13.87NAVD881OUSGSSA
1993-03-2519:12 UTCm7201928.04  1OUSGSSA
1993-06-1818:00 UTCm62610 15.63NGVD291OUSGSSA
1993-06-1818:00 UTCm62611 14.54NAVD881OUSGSSA
1993-06-1818:00 UTCm7201927.37  1OUSGSSA
1993-09-3015:21 UTCm62610 14.52NGVD291OUSGSSA
1993-09-3015:21 UTCm62611 13.43NAVD881OUSGSSA
1993-09-3015:21 UTCm7201928.48  1OUSGSSA
1993-12-2817:21 UTCm62610 14.23NGVD291OUSGSSA
1993-12-2817:21 UTCm62611 13.14NAVD881OUSGSSA
1993-12-2817:21 UTCm7201928.77  1OUSGSSA
1994-03-3116:07 UTCm62610 14.93NGVD291OUSGSSA
1994-03-3116:07 UTCm62611 13.84NAVD881OUSGSSA
1994-03-3116:07 UTCm7201928.07  1OUSGSSA
1994-06-0718:35 UTCm62610 15.35NGVD291OUSGSSA
1994-06-0718:35 UTCm62611 14.26NAVD881OUSGSSA
1994-06-0718:35 UTCm7201927.65  1OUSGSSA
1994-09-2216:58 UTCm62610 14.75NGVD291OUSGSSA
1994-09-2216:58 UTCm62611 13.66NAVD881OUSGSSA
1994-09-2216:58 UTCm7201928.25  1OUSGSSA
1994-12-1616:51 UTCm62610 14.29NGVD291OUSGSSA
1994-12-1616:51 UTCm62611 13.20NAVD881OUSGSSA
1994-12-1616:51 UTCm7201928.71  1OUSGSSA
1995-03-1614:30 UTCm62610 14.39NGVD291OUSGSSA
1995-03-1614:30 UTCm62611 13.30NAVD881OUSGSSA
1995-03-1614:30 UTCm7201928.61  1OUSGSSA
1995-06-1315:23 UTCm62610 14.21NGVD291OUSGSSA
1995-06-1315:23 UTCm62611 13.12NAVD881OUSGSSA
1995-06-1315:23 UTCm7201928.79  1OUSGSSA
1995-08-2316:50 UTCm62610 14.00NGVD291OUSGSSA
1995-08-2316:50 UTCm62611 12.91NAVD881OUSGSSA
1995-08-2316:50 UTCm7201929.00  1OUSGSSA
1995-12-0518:06 UTCm62610 13.84NGVD291OUSGSSA
1995-12-0518:06 UTCm62611 12.75NAVD881OUSGSSA
1995-12-0518:06 UTCm7201929.16  1OUSGSSA
1996-03-1915:05 UTCm62610 14.42NGVD291OUSGSSA
1996-03-1915:05 UTCm62611 13.33NAVD881OUSGSSA
1996-03-1915:05 UTCm7201928.58  1OUSGSSA
1996-05-1519:43 UTCm62610 15.17NGVD291OUSGSSA
1996-05-1519:43 UTCm62611 14.08NAVD881OUSGSSA
1996-05-1519:43 UTCm7201927.83  1OUSGSSA
1996-09-1113:24 UTCm62610 14.54NGVD291OUSGSSA
1996-09-1113:24 UTCm62611 13.45NAVD881OUSGSSA
1996-09-1113:24 UTCm7201928.46  1OUSGSSA
1996-12-1115:11 UTCm62610 14.93NGVD291OUSGSSA
1996-12-1115:11 UTCm62611 13.84NAVD881OUSGSSA
1996-12-1115:11 UTCm7201928.07  1OUSGSSA
1997-03-1014:41 UTCm62610 15.28NGVD291OUSGSSA
1997-03-1014:41 UTCm62611 14.19NAVD881OUSGSSA
1997-03-1014:41 UTCm7201927.72  1OUSGSSA
1998-03-2717:05 UTCm62610 15.84NGVD294SUSGSSA
1998-03-2717:05 UTCm62611 14.75NAVD884SUSGSSA
1998-03-2717:05 UTCm7201927.16  4SUSGSSA
2002-03-1518:40 UTCm62610 13.62NGVD294SUSGSSA
2002-03-1518:40 UTCm62611 12.53NAVD884SUSGSSA
2002-03-1518:40 UTCm7201929.38  4SUSGSSA
2003-03-1715:34 UTCm62610 14.98NGVD294SUSGSSA
2003-03-1715:34 UTCm62611 13.89NAVD884SUSGSSA
2003-03-1715:34 UTCm7201928.02  4SUSGSSA
2004-03-2216:30 UTCm62610 15.03NGVD294SUSGSSA
2004-03-2216:30 UTCm62611 13.94NAVD884SUSGSSA
2004-03-2216:30 UTCm7201927.97  4SUSGSSA
2005-03-2214:57 UTCm62610 15.17NGVD294SUSGSSA
2005-03-2214:57 UTCm62611 14.08NAVD884SUSGSSA
2005-03-2214:57 UTCm7201927.83  4SUSGSSA
2006-03-2916:40 UTCm62610 16.31NGVD294SUSGSSA
2006-03-2916:40 UTCm62611 15.22NAVD884SUSGSSA
2006-03-2916:40 UTCm7201926.69  4SUSGSSA
2010-04-2014:54 UTCm62610 18.43NGVD291S  A
2010-04-2014:54 UTCm62611 17.34NAVD881S  A
2010-04-2014:54 UTCm7201924.57  1S  A
2013-05-1518:18 UTCm62610 16.41NGVD291SUSGSSA
2013-05-1518:18 UTCm62611 15.32NAVD881SUSGSSA
2013-05-1518:18 UTCm7201926.59  1SUSGSSA
2013-07-2417:20 UTCm62610 16.75NGVD291TUSGSSA
2013-07-2417:20 UTCm62611 15.66NAVD881TUSGSSA
2013-07-2417:20 UTCm7201926.25  1TUSGSSA
2013-07-2918:38 UTCm62610 16.70NGVD291TUSGSSA
2013-07-2918:38 UTCm62611 15.61NAVD881TUSGSSA
2013-07-2918:38 UTCm7201926.30  1TUSGSSA
2014-04-1818:24 UTCm62610 16.13NGVD294SUSGSSA
2014-04-1818:24 UTCm62611 15.04NAVD884SUSGSSA
2014-04-1818:24 UTCm7201926.87  4SUSGSSA
2015-04-1514:35 UTCm62610 16.53NGVD294SUSGSSA
2015-04-1514:35 UTCm62611 15.44NAVD884SUSGSSA
2015-04-1514:35 UTCm7201926.47  4SUSGSSA
2016-04-1815:40 UTCm62610 15.87NGVD291S  A
2016-04-1815:40 UTCm62611 14.78NAVD881S  A
2016-04-1815:40 UTCm7201927.13  1S  A
2017-04-2619:21 UTCm62610 15.61NGVD291TUSGSSA
2017-04-2619:21 UTCm62611 14.52NAVD881TUSGSSA
2017-04-2619:21 UTCm7201927.39  1TUSGSSA
2019-04-1716:35 UTCm62610 16.81NGVD291VUSGSSA
2019-04-1716:35 UTCm62611 15.72NAVD881VUSGSSA
2019-04-1716:35 UTCm7201926.19  1VUSGSSA
2021-04-2615:14 UTCm62610 16.84NGVD291VUSGSSA
2021-04-2615:14 UTCm62611 15.75NAVD881VUSGSSA
2021-04-2615:14 UTCm7201926.16  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.