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Groundwater levels for the Nation

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Agency code = usgs
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  • 404707073433303
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USGS 404707073433303 N 12483. 1

Nassau County, New York
Latitude  40°47'07", Longitude  73°43'33" NAD27
Land-surface elevation 108 feet above NAVD88
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
1994-05-2716:32 UTCm62610 93.08NGVD291OUSGSSA
1994-05-2716:32 UTCm62611 91.99NAVD881OUSGSSA
1994-05-2716:32 UTCm7201916.01  1OUSGSSA
1994-06-0817:30 UTCm62610 92.89NGVD291OUSGSSA
1994-06-0817:30 UTCm62611 91.80NAVD881OUSGSSA
1994-06-0817:30 UTCm7201916.20  1OUSGSSA
1994-09-2014:25 UTCm62610 91.84NGVD291OUSGSSA
1994-09-2014:25 UTCm62611 90.75NAVD881OUSGSSA
1994-09-2014:25 UTCm7201917.25  1OUSGSSA
1994-12-1618:05 UTCm62610 91.33NGVD291OUSGSSA
1994-12-1618:05 UTCm62611 90.24NAVD881OUSGSSA
1994-12-1618:05 UTCm7201917.76  1OUSGSSA
1995-03-1518:14 UTCm62610 92.19NGVD291OUSGSSA
1995-03-1518:14 UTCm62611 91.10NAVD881OUSGSSA
1995-03-1518:14 UTCm7201916.90  1OUSGSSA
1995-06-1414:11 UTCm62610 91.86NGVD291OUSGSSA
1995-06-1414:11 UTCm62611 90.77NAVD881OUSGSSA
1995-06-1414:11 UTCm7201917.23  1OUSGSSA
1995-08-2413:15 UTCm62610 91.44NGVD291OUSGSSA
1995-08-2413:15 UTCm62611 90.35NAVD881OUSGSSA
1995-08-2413:15 UTCm7201917.65  1OUSGSSA
1995-12-0414:35 UTCm62610 91.36NGVD291OUSGSSA
1995-12-0414:35 UTCm62611 90.27NAVD881OUSGSSA
1995-12-0414:35 UTCm7201917.73  1OUSGSSA
1996-03-2214:17 UTCm62610 93.06NGVD291OUSGSSA
1996-03-2214:17 UTCm62611 91.97NAVD881OUSGSSA
1996-03-2214:17 UTCm7201916.03  1OUSGSSA
1996-05-1613:15 UTCm62610 93.55NGVD291OUSGSSA
1996-05-1613:15 UTCm62611 92.46NAVD881OUSGSSA
1996-05-1613:15 UTCm7201915.54  1OUSGSSA
1996-09-1013:26 UTCm62610 92.14NGVD291OUSGSSA
1996-09-1013:26 UTCm62611 91.05NAVD881OUSGSSA
1996-09-1013:26 UTCm7201916.95  1OUSGSSA
1998-03-2512:53 UTCm62610 94.01NGVD291SUSGSSA
1998-03-2512:53 UTCm62611 92.92NAVD881SUSGSSA
1998-03-2512:53 UTCm7201915.08  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.