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Groundwater levels for the Nation

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USGS 404403073370901 N 3934. 1

Nassau County, New York
Latitude  40°44'03.3", Longitude  73°37'07.0" NAD83
Land-surface elevation 86.0 feet above NGVD29
The depth of the well is 422 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 Magothy Aquifer (211MAGT) local aquifer.
Output formats
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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
1982-04-0818:20 UTCm62610 54.20NGVD291OUSGSSA
1982-04-0818:20 UTCm62611 53.05NAVD881OUSGSSA
1982-04-0818:20 UTCm7201931.80  1OUSGSSA
1982-04-1414:30 UTCm62610 54.46NGVD291OUSGSSA
1982-04-1414:30 UTCm62611 53.31NAVD881OUSGSSA
1982-04-1414:30 UTCm7201931.54  1OUSGSSA
1982-08-1215:30 UTCm62610 45.24NGVD29POUSGSSA
1982-08-1215:30 UTCm62611 44.09NAVD88POUSGSSA
1982-08-1215:30 UTCm7201940.76  POUSGSSA
1983-03-3112:20 UTCm62610 52.66NGVD291OUSGSSA
1983-03-3112:20 UTCm62611 51.51NAVD881OUSGSSA
1983-03-3112:20 UTCm7201933.34  1OUSGSSA
1984-04-2515:00 UTCm62610 57.54NGVD291OUSGSSA
1984-04-2515:00 UTCm62611 56.39NAVD881OUSGSSA
1984-04-2515:00 UTCm7201928.46  1OUSGSSA
1985-05-1011:21 UTCm62610 56.88NGVD291OUSGSSA
1985-05-1011:21 UTCm62611 55.73NAVD881OUSGSSA
1985-05-1011:21 UTCm7201929.12  1OUSGSSA
1995-04-2619:33 UTCm62610 50.16NGVD291OUSGSSA
1995-04-2619:33 UTCm62611 49.01NAVD881OUSGSSA
1995-04-2619:33 UTCm7201935.84  1OUSGSSA
1996-04-0915:25 UTCm62610 47.36NGVD291OUSGSSA
1996-04-0915:25 UTCm62611 46.21NAVD881OUSGSSA
1996-04-0915:25 UTCm7201938.64  1OUSGSSA
1997-04-2316:00 UTCm62610 50.34NGVD291OUSGSSA
1997-04-2316:00 UTCm62611 49.19NAVD881OUSGSSA
1997-04-2316:00 UTCm7201935.66  1OUSGSSA
2005-03-3115:15 UTCm62610 48.59NGVD291SUSGSSA
2005-03-3115:15 UTCm62611 47.44NAVD881SUSGSSA
2005-03-3115:15 UTCm7201937.41  1SUSGSSA
2006-03-3015:44 UTCm62610 55.06NGVD291SUSGSSA
2006-03-3015:44 UTCm62611 53.91NAVD881SUSGSSA
2006-03-3015:44 UTCm7201930.94  1SUSGSSA
2007-04-0214:05 UTCm62610 49.23NGVD291SUSGSSA
2007-04-0214:05 UTCm62611 48.08NAVD881SUSGSSA
2007-04-0214:05 UTCm7201936.77  1SUSGSSA
2008-04-1515:50 UTCm62610 51.94NGVD291SUSGSSA
2008-04-1515:50 UTCm62611 50.79NAVD881SUSGSSA
2008-04-1515:50 UTCm7201934.06  1SUSGSSA
2009-04-2317:34 UTCm62610 55.95NGVD291S  A
2009-04-2317:34 UTCm62611 54.80NAVD881S  A
2009-04-2317:34 UTCm7201930.05  1S  A
2010-04-1314:12 UTCm62610 54.67NGVD291SUSGSSA
2010-04-1314:12 UTCm62611 53.52NAVD881SUSGSSA
2010-04-1314:12 UTCm7201931.33  1SUSGSSA
2013-04-0814:45 UTCm62610 53.19NGVD291S  A
2013-04-0814:45 UTCm62611 52.04NAVD881S  A
2013-04-0814:45 UTCm7201932.81  1S  A
2014-04-1118:00 UTCm62610 55.91NGVD291S  A
2014-04-1118:00 UTCm62611 54.76NAVD881S  A
2014-04-1118:00 UTCm7201930.09  1S  A
2015-04-2314:59 UTCm62610 58.03NGVD291SUSGSSA
2015-04-2314:59 UTCm62611 56.88NAVD881SUSGSSA
2015-04-2314:59 UTCm7201927.97  1SUSGSSA
2016-04-2515:05 UTCm62610 48.44NGVD291SUSGSSA
2016-04-2515:05 UTCm62611 47.29NAVD881SUSGSSA
2016-04-2515:05 UTCm7201937.56  1SUSGSSA
2017-04-1115:13 UTCm62610 53.19NGVD291SUSGSSA
2017-04-1115:13 UTCm62611 52.04NAVD881SUSGSSA
2017-04-1115:13 UTCm7201932.81  1SUSGSSA
2018-04-1014:23 UTCm62610 48.51NGVD291SUSGSSA
2018-04-1014:23 UTCm62611 47.36NAVD881SUSGSSA
2018-04-1014:23 UTCm7201937.49  1SUSGSSA
2023-04-1315:13 UTCm62610 45.35NGVD291VUSGSSA
2023-04-1315:13 UTCm62611 44.20NAVD881VUSGSSA
2023-04-1315:13 UTCm7201940.65  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
StatusPPumping
Method of measurementOObserved.
Method of measurementSSteel-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.