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Groundwater levels for the Nation

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Agency code = usgs
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  • 404423073391201
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USGS 404423073391201 N 11737. 1

Nassau County, New York
Latitude  40°44'23", Longitude  73°39'12" NAD27
Land-surface elevation 97 feet above NAVD88
The depth of the well is 59 feet below land surface.
The depth of the hole is 59 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
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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
1997-10-0112:58 UTCm62610 53.61NGVD291SUSGSSA
1997-10-0112:58 UTCm62611 52.48NAVD881SUSGSSA
1997-10-0112:58 UTCm7201944.52  1SUSGSSA
1997-10-2316:42 UTCm62610 53.09NGVD291SUSGSSA
1997-10-2316:42 UTCm62611 51.96NAVD881SUSGSSA
1997-10-2316:42 UTCm7201945.04  1SUSGSSA
1997-11-2115:56 UTCm62610 53.93NGVD291SUSGSSA
1997-11-2115:56 UTCm62611 52.80NAVD881SUSGSSA
1997-11-2115:56 UTCm7201944.20  1SUSGSSA
1997-12-1615:57 UTCm62610 53.30NGVD291SUSGSSA
1997-12-1615:57 UTCm62611 52.17NAVD881SUSGSSA
1997-12-1615:57 UTCm7201944.83  1SUSGSSA
1998-01-2115:35 UTCm62610 53.75NGVD291SUSGSSA
1998-01-2115:35 UTCm62611 52.62NAVD881SUSGSSA
1998-01-2115:35 UTCm7201944.38  1SUSGSSA
1998-02-2715:37 UTCm62610 55.28NGVD291SUSGSSA
1998-02-2715:37 UTCm62611 54.15NAVD881SUSGSSA
1998-02-2715:37 UTCm7201942.85  1SUSGSSA
1998-03-1718:00 UTCm62610 55.89NGVD291SUSGSSA
1998-03-1718:00 UTCm62611 54.76NAVD881SUSGSSA
1998-03-1718:00 UTCm7201942.24  1SUSGSSA
1998-04-2214:38 UTCm62610 56.66NGVD291SUSGSSA
1998-04-2214:38 UTCm62611 55.53NAVD881SUSGSSA
1998-04-2214:38 UTCm7201941.47  1SUSGSSA
1998-05-2013:55 UTCm62610 57.70NGVD291SUSGSSA
1998-05-2013:55 UTCm62611 56.57NAVD881SUSGSSA
1998-05-2013:55 UTCm7201940.43  1SUSGSSA
1998-06-2214:43 UTCm62610 58.34NGVD291SUSGSSA
1998-06-2214:43 UTCm62611 57.21NAVD881SUSGSSA
1998-06-2214:43 UTCm7201939.79  1SUSGSSA
1998-07-2214:07 UTCm62610 56.73NGVD291SUSGSSA
1998-07-2214:07 UTCm62611 55.60NAVD881SUSGSSA
1998-07-2214:07 UTCm7201941.40  1SUSGSSA
1998-08-2415:11 UTCm62610 55.40NGVD291SUSGSSA
1998-08-2415:11 UTCm62611 54.27NAVD881SUSGSSA
1998-08-2415:11 UTCm7201942.73  1SUSGSSA
1998-09-2516:40 UTCm62610 55.44NGVD291SUSGSSA
1998-09-2516:40 UTCm62611 54.31NAVD881SUSGSSA
1998-09-2516:40 UTCm7201942.69  1SUSGSSA
1998-10-2914:41 UTCm62610 54.31NGVD291SUSGSSA
1998-10-2914:41 UTCm62611 53.18NAVD881SUSGSSA
1998-10-2914:41 UTCm7201943.82  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 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.