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Groundwater levels for the Nation

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USGS 405016073395501 N 11929. 1

Nassau County, New York
Latitude  40°50'18.6", Longitude  73°39'53.7" NAD83
Land-surface elevation 15 feet above NAVD88
The depth of the well is 70 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
1993-05-2617:37 UTCm62610 5.57NGVD291OUSGSSA
1993-05-2617:37 UTCm62611 4.48NAVD881OUSGSSA
1993-05-2617:37 UTCm7201910.52  1OUSGSSA
1993-09-2815:03 UTCm62610 4.97NGVD291OUSGSSA
1993-09-2815:03 UTCm62611 3.88NAVD881OUSGSSA
1993-09-2815:03 UTCm7201911.12  1OUSGSSA
1993-10-0518:49 UTCm62610 4.83NGVD291OUSGSSA
1993-10-0518:49 UTCm62611 3.74NAVD881OUSGSSA
1993-10-0518:49 UTCm7201911.26  1OUSGSSA
1993-12-2916:34 UTCm62610 5.60NGVD291OUSGSSA
1993-12-2916:34 UTCm62611 4.51NAVD881OUSGSSA
1993-12-2916:34 UTCm7201910.49  1OUSGSSA
1994-03-3117:08 UTCm62610 5.49NGVD291OUSGSSA
1994-03-3117:08 UTCm62611 4.40NAVD881OUSGSSA
1994-03-3117:08 UTCm7201910.60  1OUSGSSA
1994-06-0719:25 UTCm62610 5.19NGVD291OUSGSSA
1994-06-0719:25 UTCm62611 4.10NAVD881OUSGSSA
1994-06-0719:25 UTCm7201910.90  1OUSGSSA
1994-09-1918:51 UTCm62610 4.97NGVD291OUSGSSA
1994-09-1918:51 UTCm62611 3.88NAVD881OUSGSSA
1994-09-1918:51 UTCm7201911.12  1OUSGSSA
1994-12-1513:50 UTCm62610 4.83NGVD291OUSGSSA
1994-12-1513:50 UTCm62611 3.74NAVD881OUSGSSA
1994-12-1513:50 UTCm7201911.26  1OUSGSSA
1995-03-1618:05 UTCm62610 4.66NGVD291OUSGSSA
1995-03-1618:05 UTCm62611 3.57NAVD881OUSGSSA
1995-03-1618:05 UTCm7201911.43  1OUSGSSA
1995-06-1314:00 UTCm62610 4.88NGVD291OUSGSSA
1995-06-1314:00 UTCm62611 3.79NAVD881OUSGSSA
1995-06-1314:00 UTCm7201911.21  1OUSGSSA
1995-09-0113:25 UTCm62610 4.58NGVD291OUSGSSA
1995-09-0113:25 UTCm62611 3.49NAVD881OUSGSSA
1995-09-0113:25 UTCm7201911.51  1OUSGSSA
1995-12-0519:02 UTCm62610 4.57NGVD291OUSGSSA
1995-12-0519:02 UTCm62611 3.48NAVD881OUSGSSA
1995-12-0519:02 UTCm7201911.52  1OUSGSSA
1996-03-1919:46 UTCm62610 5.04NGVD291OUSGSSA
1996-03-1919:46 UTCm62611 3.95NAVD881OUSGSSA
1996-03-1919:46 UTCm7201911.05  1OUSGSSA
1996-05-1517:36 UTCm62610 5.19NGVD291OUSGSSA
1996-05-1517:36 UTCm62611 4.10NAVD881OUSGSSA
1996-05-1517:36 UTCm7201910.90  1OUSGSSA
1996-09-1114:34 UTCm62610 5.06NGVD291OUSGSSA
1996-09-1114:34 UTCm62611 3.97NAVD881OUSGSSA
1996-09-1114:34 UTCm7201911.03  1OUSGSSA
1996-12-1119:58 UTCm62610 5.45NGVD291OUSGSSA
1996-12-1119:58 UTCm62611 4.36NAVD881OUSGSSA
1996-12-1119:58 UTCm7201910.64  1OUSGSSA
1997-03-1019:20 UTCm62610 5.53NGVD291OUSGSSA
1997-03-1019:20 UTCm62611 4.44NAVD881OUSGSSA
1997-03-1019:20 UTCm7201910.56  1OUSGSSA
2004-03-2316:50 UTCm62610 5.31NGVD291SUSGSSA
2004-03-2316:50 UTCm62611 4.22NAVD881SUSGSSA
2004-03-2316:50 UTCm7201910.78  1SUSGSSA
2005-03-2414:44 UTCm62610 5.46NGVD291SUSGSSA
2005-03-2414:44 UTCm62611 4.37NAVD881SUSGSSA
2005-03-2414:44 UTCm7201910.63  1SUSGSSA
2006-03-2819:23 UTCm62610 5.80NGVD291SUSGSSA
2006-03-2819:23 UTCm62611 4.71NAVD881SUSGSSA
2006-03-2819:23 UTCm7201910.29  1SUSGSSA

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.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.