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Groundwater levels for the Nation

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USGS 404932073443001 N 12079. 1

Nassau County, New York
Latitude  40°49'32", Longitude  73°44'30" NAD27
Land-surface elevation 10 feet above NGVD29
The depth of the well is 209 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
1992-05-1917:49 UTCm62610 3.31NGVD294OUSGSSA
1992-05-1917:49 UTCm62611 2.23NAVD884OUSGSSA
1992-05-1917:49 UTCm720196.69  4OUSGSSA
1992-08-2514:17 UTCm62610 0.16NGVD294OUSGSSA
1992-08-2514:17 UTCm62611 -0.92NAVD884OUSGSSA
1992-08-2514:17 UTCm720199.84  4OUSGSSA
1992-12-0814:50 UTCm62610 1.30NGVD294OUSGSSA
1992-12-0814:50 UTCm62611 0.22NAVD884OUSGSSA
1992-12-0814:50 UTCm720198.70  4OUSGSSA
1993-03-2517:38 UTCm62610 2.67NGVD294OUSGSSA
1993-03-2517:38 UTCm62611 1.59NAVD884OUSGSSA
1993-03-2517:38 UTCm720197.33  4OUSGSSA
1993-05-0211:54 UTCm62610 4.14NGVD294OUSGSSA
1993-05-0211:54 UTCm62611 3.06NAVD884OUSGSSA
1993-05-0211:54 UTCm720195.86  4OUSGSSA
1993-06-1815:23 UTCm62610 -0.92NGVD294OUSGSSA
1993-06-1815:23 UTCm62611 -2.00NAVD884OUSGSSA
1993-06-1815:23 UTCm7201910.92  4OUSGSSA
1993-09-3016:42 UTCm62610 4.81NGVD294OUSGSSA
1993-09-3016:42 UTCm62611 3.73NAVD884OUSGSSA
1993-09-3016:42 UTCm720195.19  4OUSGSSA
1993-12-2917:47 UTCm62610 2.16NGVD294OUSGSSA
1993-12-2917:47 UTCm62611 1.08NAVD884OUSGSSA
1993-12-2917:47 UTCm720197.84  4OUSGSSA
1994-03-3020:00 UTCm62610 1.85NGVD294OUSGSSA
1994-03-3020:00 UTCm62611 0.77NAVD884OUSGSSA
1994-03-3020:00 UTCm720198.15  4OUSGSSA
1994-06-0816:44 UTCm62610 -0.09NGVD294OUSGSSA
1994-06-0816:44 UTCm62611 -1.17NAVD884OUSGSSA
1994-06-0816:44 UTCm7201910.09  4OUSGSSA
1994-09-2018:15 UTCm62610 -1.08NGVD294OUSGSSA
1994-09-2018:15 UTCm62611 -2.16NAVD884OUSGSSA
1994-09-2018:15 UTCm7201911.08  4OUSGSSA
1994-12-1615:43 UTCm62610 5.62NGVD294OUSGSSA
1994-12-1615:43 UTCm62611 4.54NAVD884OUSGSSA
1994-12-1615:43 UTCm720194.38  4OUSGSSA
1995-03-1516:00 UTCm62610 5.93NGVD294OUSGSSA
1995-03-1516:00 UTCm62611 4.85NAVD884OUSGSSA
1995-03-1516:00 UTCm720194.07  4OUSGSSA
1995-06-1419:01 UTCm62610 2.40NGVD294OUSGSSA
1995-06-1419:01 UTCm62611 1.32NAVD884OUSGSSA
1995-06-1419:01 UTCm720197.60  4OUSGSSA
1995-08-2415:23 UTCm62610 -1.16NGVD294OUSGSSA
1995-08-2415:23 UTCm62611 -2.24NAVD884OUSGSSA
1995-08-2415:23 UTCm7201911.16  4OUSGSSA
1995-12-0416:30 UTCm62610 5.01NGVD294OUSGSSA
1995-12-0416:30 UTCm62611 3.93NAVD884OUSGSSA
1995-12-0416:30 UTCm720194.99  4OUSGSSA
1996-03-2219:50 UTCm62610 4.82NGVD294OUSGSSA
1996-03-2219:50 UTCm62611 3.74NAVD884OUSGSSA
1996-03-2219:50 UTCm720195.18  4OUSGSSA
1996-05-1616:22 UTCm62610 1.10NGVD294OUSGSSA
1996-05-1616:22 UTCm62611 0.02NAVD884OUSGSSA
1996-05-1616:22 UTCm720198.90  4OUSGSSA
1996-09-1016:22 UTCm62610 -0.45NGVD294OUSGSSA
1996-09-1016:22 UTCm62611 -1.53NAVD884OUSGSSA
1996-09-1016:22 UTCm7201910.45  4OUSGSSA
1997-03-1017:58 UTCm62610 4.43NGVD294OUSGSSA
1997-03-1017:58 UTCm62611 3.35NAVD884OUSGSSA
1997-03-1017:58 UTCm720195.57  4OUSGSSA
2013-07-2921:10 UTCm62610 3.13NGVD294SUSGSSA
2013-07-2921:10 UTCm62611 2.05NAVD884SUSGSSA
2013-07-2921:10 UTCm720196.87  4SUSGSSA

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
Status4Groundwater level affected by tide
Method of measurementOObserved.
Method of measurementSSteel-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.