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Groundwater levels for the Nation

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USGS 405122073420401 N 9356. 1

Nassau County, New York
Latitude  40°51'22", Longitude  73°42'04" NAD27
Land-surface elevation 100.0 feet above NGVD29
The depth of the well is 104 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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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
1991-11-0414:22 UTCm62610 20.15NGVD291OUSGSSA
1991-11-0414:22 UTCm62611 19.06NAVD881OUSGSSA
1991-11-0414:22 UTCm7201979.85  1OUSGSSA
1992-12-1018:18 UTCm62610 17.53NGVD291OUSGSSA
1992-12-1018:18 UTCm62611 16.44NAVD881OUSGSSA
1992-12-1018:18 UTCm7201982.47  1OUSGSSA
1993-03-2618:26 UTCm62610 18.10NGVD294OUSGSSA
1993-03-2618:26 UTCm62611 17.01NAVD884OUSGSSA
1993-03-2618:26 UTCm7201981.90  4OUSGSSA
1993-06-2421:34 UTCm62610 20.79NGVD291OUSGSSA
1993-06-2421:34 UTCm62611 19.70NAVD881OUSGSSA
1993-06-2421:34 UTCm7201979.21  1OUSGSSA
1993-10-0518:46 UTCm62610 20.10NGVD291OUSGSSA
1993-10-0518:46 UTCm62611 19.01NAVD881OUSGSSA
1993-10-0518:46 UTCm7201979.90  1OUSGSSA
1993-12-2918:45 UTCm62610 18.68NGVD291OUSGSSA
1993-12-2918:45 UTCm62611 17.59NAVD881OUSGSSA
1993-12-2918:45 UTCm7201981.32  1OUSGSSA
1994-03-3120:25 UTCm62610 18.95NGVD291OUSGSSA
1994-03-3120:25 UTCm62611 17.86NAVD881OUSGSSA
1994-03-3120:25 UTCm7201981.05  1OUSGSSA
1994-06-0718:23 UTCm62610 20.56NGVD291OUSGSSA
1994-06-0718:23 UTCm62611 19.47NAVD881OUSGSSA
1994-06-0718:23 UTCm7201979.44  1OUSGSSA
1994-09-1917:05 UTCm62610 20.62NGVD291OUSGSSA
1994-09-1917:05 UTCm62611 19.53NAVD881OUSGSSA
1994-09-1917:05 UTCm7201979.38  1OUSGSSA
1994-12-1517:40 UTCm62610 18.92NGVD291OUSGSSA
1994-12-1517:40 UTCm62611 17.83NAVD881OUSGSSA
1994-12-1517:40 UTCm7201981.08  1OUSGSSA
1995-03-1617:32 UTCm62610 18.02NGVD294OUSGSSA
1995-03-1617:32 UTCm62611 16.93NAVD884OUSGSSA
1995-03-1617:32 UTCm7201981.98  4OUSGSSA
1995-06-1318:24 UTCm62610 18.48NGVD291OUSGSSA
1995-06-1318:24 UTCm62611 17.39NAVD881OUSGSSA
1995-06-1318:24 UTCm7201981.52  1OUSGSSA
1995-08-2316:23 UTCm62610 18.47NGVD291OUSGSSA
1995-08-2316:23 UTCm62611 17.38NAVD881OUSGSSA
1995-08-2316:23 UTCm7201981.53  1OUSGSSA
1995-12-0518:14 UTCm62610 17.18NGVD291OUSGSSA
1995-12-0518:14 UTCm62611 16.09NAVD881OUSGSSA
1995-12-0518:14 UTCm7201982.82  1OUSGSSA
1996-03-1917:30 UTCm62610 17.07NGVD294OUSGSSA
1996-03-1917:30 UTCm62611 15.98NAVD884OUSGSSA
1996-03-1917:30 UTCm7201982.93  4OUSGSSA
1996-05-1514:29 UTCm62610 17.72NGVD291OUSGSSA
1996-05-1514:29 UTCm62611 16.63NAVD881OUSGSSA
1996-05-1514:29 UTCm7201982.28  1OUSGSSA
1996-09-1118:25 UTCm62610 18.47NGVD291OUSGSSA
1996-09-1118:25 UTCm62611 17.38NAVD881OUSGSSA
1996-09-1118:25 UTCm7201981.53  1OUSGSSA
1996-12-1118:05 UTCm62610 18.46NGVD291OUSGSSA
1996-12-1118:05 UTCm62611 17.37NAVD881OUSGSSA
1996-12-1118:05 UTCm7201981.54  1OUSGSSA
1997-03-1016:45 UTCm62610 19.23NGVD291OUSGSSA
1997-03-1016:45 UTCm62611 18.14NAVD881OUSGSSA
1997-03-1016:45 UTCm7201980.77  1OUSGSSA
2013-07-2414:00 UTCm62610 19.36NGVD291TUSGSSA
2013-07-2414:00 UTCm62611 18.27NAVD881TUSGSSA
2013-07-2414:00 UTCm7201980.64  1TUSGSSA
2013-07-2917:59 UTCm62610 19.45NGVD291TUSGSSA
2013-07-2917:59 UTCm62611 18.36NAVD881TUSGSSA
2013-07-2917:59 UTCm7201980.55  1TUSGSSA

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