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Groundwater levels for the Nation

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USGS 404740073440101 N 12038. 1

Nassau County, New York
Latitude  40°47'40", Longitude  73°44'01" NAD27
Land-surface elevation 89 feet above NGVD29
The depth of the well is 466 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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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
1992-02-2115:10 UTCm62610 11.57NGVD291OUSGSSA
1992-02-2115:10 UTCm62611 10.49NAVD881OUSGSSA
1992-02-2115:10 UTCm7201977.43  1OUSGSSA
1992-03-1714:40 UTCm62610 10.67NGVD291OUSGSSA
1992-03-1714:40 UTCm62611 9.59NAVD881OUSGSSA
1992-03-1714:40 UTCm7201978.33  1OUSGSSA
1992-08-2514:35 UTCm62610 0.41NGVD291OUSGSSA
1992-08-2514:35 UTCm62611 -0.67NAVD881OUSGSSA
1992-08-2514:35 UTCm7201988.59  1OUSGSSA
1992-12-0815:22 UTCm62610 9.04NGVD291OUSGSSA
1992-12-0815:22 UTCm62611 7.96NAVD881OUSGSSA
1992-12-0815:22 UTCm7201979.96  1OUSGSSA
1993-03-2517:54 UTCm62610 7.14NGVD291OUSGSSA
1993-03-2517:54 UTCm62611 6.06NAVD881OUSGSSA
1993-03-2517:54 UTCm7201981.86  1OUSGSSA
1993-05-0213:30 UTCm62610 7.79NGVD291OUSGSSA
1993-05-0213:30 UTCm62611 6.71NAVD881OUSGSSA
1993-05-0213:30 UTCm7201981.21  1OUSGSSA
1993-06-1815:44 UTCm62610 0.26NGVD291OUSGSSA
1993-06-1815:44 UTCm62611 -0.82NAVD881OUSGSSA
1993-06-1815:44 UTCm7201988.74  1OUSGSSA
1993-09-3017:25 UTCm62610 1.72NGVD291OUSGSSA
1993-09-3017:25 UTCm62611 0.64NAVD881OUSGSSA
1993-09-3017:25 UTCm7201987.28  1OUSGSSA
1993-12-2816:26 UTCm62610 7.78NGVD291OUSGSSA
1993-12-2816:26 UTCm62611 6.70NAVD881OUSGSSA
1993-12-2816:26 UTCm7201981.22  1OUSGSSA
1994-03-3016:01 UTCm62610 9.40NGVD291OUSGSSA
1994-03-3016:01 UTCm62611 8.32NAVD881OUSGSSA
1994-03-3016:01 UTCm7201979.60  1OUSGSSA
1994-06-0819:01 UTCm62610 0.88NGVD291OUSGSSA
1994-06-0819:01 UTCm62611 -0.20NAVD881OUSGSSA
1994-06-0819:01 UTCm7201988.12  1OUSGSSA
1994-09-2019:10 UTCm62610 0.73NGVD291OUSGSSA
1994-09-2019:10 UTCm62611 -0.35NAVD881OUSGSSA
1994-09-2019:10 UTCm7201988.27  1OUSGSSA
1994-12-1618:22 UTCm62610 10.47NGVD291OUSGSSA
1994-12-1618:22 UTCm62611 9.39NAVD881OUSGSSA
1994-12-1618:22 UTCm7201978.53  1OUSGSSA
1995-03-1519:09 UTCm62610 9.46NGVD291OUSGSSA
1995-03-1519:09 UTCm62611 8.38NAVD881OUSGSSA
1995-03-1519:09 UTCm7201979.54  1OUSGSSA
1995-06-1415:13 UTCm62610 9.26NGVD291OUSGSSA
1995-06-1415:13 UTCm62611 8.18NAVD881OUSGSSA
1995-06-1415:13 UTCm7201979.74  1OUSGSSA
1995-08-2413:58 UTCm62610 -0.86NGVD291OUSGSSA
1995-08-2413:58 UTCm62611 -1.94NAVD881OUSGSSA
1995-08-2413:58 UTCm7201989.86  1OUSGSSA
1995-12-0418:35 UTCm62610 4.01NGVD291OUSGSSA
1995-12-0418:35 UTCm62611 2.93NAVD881OUSGSSA
1995-12-0418:35 UTCm7201984.99  1OUSGSSA
1996-03-2215:14 UTCm62610 4.82NGVD291OUSGSSA
1996-03-2215:14 UTCm62611 3.74NAVD881OUSGSSA
1996-03-2215:14 UTCm7201984.18  1OUSGSSA
1996-05-1614:14 UTCm62610 6.09NGVD291OUSGSSA
1996-05-1614:14 UTCm62611 5.01NAVD881OUSGSSA
1996-05-1614:14 UTCm7201982.91  1OUSGSSA
1996-09-1014:22 UTCm62610 2.16NGVD291OUSGSSA
1996-09-1014:22 UTCm62611 1.08NAVD881OUSGSSA
1996-09-1014:22 UTCm7201986.84  1OUSGSSA
1997-03-1016:52 UTCm62610 5.69NGVD291OUSGSSA
1997-03-1016:52 UTCm62611 4.61NAVD881OUSGSSA
1997-03-1016:52 UTCm7201983.31  1OUSGSSA
2013-07-2915:17 UTCm62610 4.29NGVD291VUSGSSA
2013-07-2915:17 UTCm62611 3.21NAVD881VUSGSSA
2013-07-2915:17 UTCm7201984.71  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 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.