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Groundwater levels for the Nation

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Agency code = usgs
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  • 404331073350601
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USGS 404331073350601 N 11495. 1

Nassau County, New York
Latitude  40°43'31", Longitude  73°35'06" NAD27
Land-surface elevation 83.0 feet above NGVD29
The depth of the well is 45 feet below land surface.
The depth of the hole is 45 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.
Output formats
Table of data
Tab-separated data
Graph of data
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
1989-08-1618:45 UTCm62610 55.82NGVD291OUSGSSA
1989-08-1618:45 UTCm62611 54.65NAVD881OUSGSSA
1989-08-1618:45 UTCm7201927.18  1OUSGSSA
1989-10-2512:55 UTCm62610 56.08NGVD291OUSGSSA
1989-10-2512:55 UTCm62611 54.91NAVD881OUSGSSA
1989-10-2512:55 UTCm7201926.92  1OUSGSSA
1989-12-07 D62610 55.99NGVD291OUSGSSA
1989-12-07 D62611 54.82NAVD881OUSGSSA
1989-12-07 D7201927.01  1OUSGSSA
1990-01-17 D62610 55.58NGVD291OUSGSSA
1990-01-17 D62611 54.41NAVD881OUSGSSA
1990-01-17 D7201927.42  1OUSGSSA
1990-02-12 D62610 55.74NGVD291OUSGSSA
1990-02-12 D62611 54.57NAVD881OUSGSSA
1990-02-12 D7201927.26  1OUSGSSA
1990-03-26 D62610 55.47NGVD291OUSGSSA
1990-03-26 D62611 54.30NAVD881OUSGSSA
1990-03-26 D7201927.53  1OUSGSSA
1990-06-19 D62610 56.48NGVD291OUSGSSA
1990-06-19 D62611 55.31NAVD881OUSGSSA
1990-06-19 D7201926.52  1OUSGSSA
1990-08-15 D62610 55.64NGVD291OUSGSSA
1990-08-15 D62611 54.47NAVD881OUSGSSA
1990-08-15 D7201927.36  1OUSGSSA
1990-10-29 D62610 56.08NGVD291OUSGSSA
1990-10-29 D62611 54.91NAVD881OUSGSSA
1990-10-29 D7201926.92  1OUSGSSA
1991-01-11 D62610 55.44NGVD29POUSGSSA
1991-01-11 D62611 54.27NAVD88POUSGSSA
1991-01-11 D7201927.56  POUSGSSA
1991-02-2216:10 UTCm62610 55.65NGVD29POUSGSSA
1991-02-2216:10 UTCm62611 54.48NAVD88POUSGSSA
1991-02-2216:10 UTCm7201927.35  POUSGSSA
1991-03-2218:05 UTCm62610 56.00NGVD291OUSGSSA
1991-03-2218:05 UTCm62611 54.83NAVD881OUSGSSA
1991-03-2218:05 UTCm7201927.00  1OUSGSSA
1991-04-2614:25 UTCm62610 56.01NGVD291OUSGSSA
1991-04-2614:25 UTCm62611 54.84NAVD881OUSGSSA
1991-04-2614:25 UTCm7201926.99  1OUSGSSA
1991-06-2615:05 UTCm62610 55.67NGVD291OUSGSSA
1991-06-2615:05 UTCm62611 54.50NAVD881OUSGSSA
1991-06-2615:05 UTCm7201927.33  1OUSGSSA
1992-07-0113:40 UTCm62610 53.28NGVD291OUSGSSA
1992-07-0113:40 UTCm62611 52.11NAVD881OUSGSSA
1992-07-0113:40 UTCm7201929.72  1OUSGSSA
1993-03-2619:10 UTCm62610 54.55NGVD291OUSGSSA
1993-03-2619:10 UTCm62611 53.38NAVD881OUSGSSA
1993-03-2619:10 UTCm7201928.45  1OUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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
StatusPWater level was affected by pumping at the time of the measurement
Method of measurementOObserved.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.