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Groundwater levels for New York

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Agency code = usgs
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  • 404202073401901
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USGS 404202073401901 N 11987. 1

Nassau County, New York
Latitude  40°42'02", Longitude  73°40'19" NAD27
Land-surface elevation 48 feet above NAVD88
The depth of the well is 817 feet below land surface.
The depth of the hole is 850 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 Lloyd Aquifer (211LLYD) 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
1993-03-2315:53 UTCm62610 10.53NGVD291SUSGSSA
1993-03-2315:53 UTCm62611 9.41NAVD881SUSGSSA
1993-03-2315:53 UTCm7201938.59  1SUSGSSA
1994-03-3018:30 UTCm62610 9.49NGVD291SUSGSSA
1994-03-3018:30 UTCm62611 8.37NAVD881SUSGSSA
1994-03-3018:30 UTCm7201939.63  1SUSGSSA
1995-03-1315:58 UTCm62610 10.18NGVD291SUSGSSA
1995-03-1315:58 UTCm62611 9.06NAVD881SUSGSSA
1995-03-1315:58 UTCm7201938.94  1SUSGSSA
1996-03-1215:15 UTCm62610 9.11NGVD291SUSGSSA
1996-03-1215:15 UTCm62611 7.99NAVD881SUSGSSA
1996-03-1215:15 UTCm7201940.01  1SUSGSSA
1997-03-1016:22 UTCm62610 9.36NGVD291SUSGSSA
1997-03-1016:22 UTCm62611 8.24NAVD881SUSGSSA
1997-03-1016:22 UTCm7201939.76  1SUSGSSA
1998-03-2316:19 UTCm62610 12.10NGVD291SUSGSSA
1998-03-2316:19 UTCm62611 10.98NAVD881SUSGSSA
1998-03-2316:19 UTCm7201937.02  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.