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Groundwater levels for the Nation

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USGS 404108073385501 N 10002. 1

Nassau County, New York
Latitude  40°41'08", Longitude  73°38'55" NAD27
Land-surface elevation 46.0 feet above NGVD29
The depth of the well is 48 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
1990-03-2615:03 UTCm62610 25.23NGVD291OUSGSSA
1990-03-2615:03 UTCm62611 24.10NAVD881OUSGSSA
1990-03-2615:03 UTCm7201920.77  1OUSGSSA
2002-12-0416:17 UTCm62610 20.56NGVD291SUSGSSA
2002-12-0416:17 UTCm62611 19.43NAVD881SUSGSSA
2002-12-0416:17 UTCm7201925.44  1SUSGSSA
2002-12-3019:24 UTCm62610 21.05NGVD291SUSGSSA
2002-12-3019:24 UTCm62611 19.92NAVD881SUSGSSA
2002-12-3019:24 UTCm7201924.95  1SUSGSSA
2003-01-1617:14 UTCm62610 21.80NGVD291SUSGSSA
2003-01-1617:14 UTCm62611 20.67NAVD881SUSGSSA
2003-01-1617:14 UTCm7201924.20  1SUSGSSA
2003-02-2718:55 UTCm62610 22.12NGVD291SUSGSSA
2003-02-2718:55 UTCm62611 20.99NAVD881SUSGSSA
2003-02-2718:55 UTCm7201923.88  1SUSGSSA
2003-03-1922:00 UTCm62610 22.88NGVD291SUSGSSA
2003-03-1922:00 UTCm62611 21.75NAVD881SUSGSSA
2003-03-1922:00 UTCm7201923.12  1SUSGSSA
2003-04-1817:15 UTCm62610 23.09NGVD291SUSGSSA
2003-04-1817:15 UTCm62611 21.96NAVD881SUSGSSA
2003-04-1817:15 UTCm7201922.91  1SUSGSSA
2003-05-2118:18 UTCm62610 22.92NGVD291SUSGSSA
2003-05-2118:18 UTCm62611 21.79NAVD881SUSGSSA
2003-05-2118:18 UTCm7201923.08  1SUSGSSA
2003-06-1915:03 UTCm62610 25.19NGVD291SUSGSSA
2003-06-1915:03 UTCm62611 24.06NAVD881SUSGSSA
2003-06-1915:03 UTCm7201920.81  1SUSGSSA
2003-07-1817:37 UTCm62610 24.98NGVD291SUSGSSA
2003-07-1817:37 UTCm62611 23.85NAVD881SUSGSSA
2003-07-1817:37 UTCm7201921.02  1SUSGSSA
2003-08-2014:27 UTCm62610 24.27NGVD291SUSGSSA
2003-08-2014:27 UTCm62611 23.14NAVD881SUSGSSA
2003-08-2014:27 UTCm7201921.73  1SUSGSSA
2003-09-2216:20 UTCm62610 23.57NGVD291SUSGSSA
2003-09-2216:20 UTCm62611 22.44NAVD881SUSGSSA
2003-09-2216:20 UTCm7201922.43  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.