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Groundwater levels for the Nation

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USGS 405013073395301 N 11930. 1

Nassau County, New York
Latitude  40°50'14.6", Longitude  73°39'51.0" NAD83
Land-surface elevation 14 feet above NAVD88
The depth of the well is 24 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
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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
1993-05-2616:40 UTCm62610 9.25NGVD291OUSGSSA
1993-05-2616:40 UTCm62611 8.16NAVD881OUSGSSA
1993-05-2616:40 UTCm720195.84  1OUSGSSA
1993-09-2815:27 UTCm62610 7.95NGVD291OUSGSSA
1993-09-2815:27 UTCm62611 6.86NAVD881OUSGSSA
1993-09-2815:27 UTCm720197.14  1OUSGSSA
1993-10-0519:00 UTCm62610 7.88NGVD291OUSGSSA
1993-10-0519:00 UTCm62611 6.79NAVD881OUSGSSA
1993-10-0519:00 UTCm720197.21  1OUSGSSA
1994-03-3117:19 UTCm62610 9.25NGVD291OUSGSSA
1994-03-3117:19 UTCm62611 8.16NAVD881OUSGSSA
1994-03-3117:19 UTCm720195.84  1OUSGSSA
1994-06-0719:34 UTCm62610 9.05NGVD291OUSGSSA
1994-06-0719:34 UTCm62611 7.96NAVD881OUSGSSA
1994-06-0719:34 UTCm720196.04  1OUSGSSA
1994-09-1919:05 UTCm62610 7.93NGVD291OUSGSSA
1994-09-1919:05 UTCm62611 6.84NAVD881OUSGSSA
1994-09-1919:05 UTCm720197.16  1OUSGSSA
1994-12-1514:03 UTCm62610 7.74NGVD291OUSGSSA
1994-12-1514:03 UTCm62611 6.65NAVD881OUSGSSA
1994-12-1514:03 UTCm720197.35  1OUSGSSA
1995-03-1618:15 UTCm62610 8.84NGVD291OUSGSSA
1995-03-1618:15 UTCm62611 7.75NAVD881OUSGSSA
1995-03-1618:15 UTCm720196.25  1OUSGSSA
1995-06-1314:11 UTCm62610 7.85NGVD291OUSGSSA
1995-06-1314:11 UTCm62611 6.76NAVD881OUSGSSA
1995-06-1314:11 UTCm720197.24  1OUSGSSA
1995-09-0113:35 UTCm62610 7.44NGVD291OUSGSSA
1995-09-0113:35 UTCm62611 6.35NAVD881OUSGSSA
1995-09-0113:35 UTCm720197.65  1OUSGSSA
1995-12-0519:13 UTCm62610 7.56NGVD291OUSGSSA
1995-12-0519:13 UTCm62611 6.47NAVD881OUSGSSA
1995-12-0519:13 UTCm720197.53  1OUSGSSA
1996-03-1919:57 UTCm62610 8.27NGVD291OUSGSSA
1996-03-1919:57 UTCm62611 7.18NAVD881OUSGSSA
1996-03-1919:57 UTCm720196.82  1OUSGSSA
1996-05-1517:52 UTCm62610 8.78NGVD291OUSGSSA
1996-05-1517:52 UTCm62611 7.69NAVD881OUSGSSA
1996-05-1517:52 UTCm720196.31  1OUSGSSA
1996-09-1114:46 UTCm62610 7.86NGVD291OUSGSSA
1996-09-1114:46 UTCm62611 6.77NAVD881OUSGSSA
1996-09-1114:46 UTCm720197.23  1OUSGSSA
1996-12-1120:11 UTCm62610 8.46NGVD291OUSGSSA
1996-12-1120:11 UTCm62611 7.37NAVD881OUSGSSA
1996-12-1120:11 UTCm720196.63  1OUSGSSA
1997-03-1019:35 UTCm62610 8.97NGVD291OUSGSSA
1997-03-1019:35 UTCm62611 7.88NAVD881OUSGSSA
1997-03-1019:35 UTCm720196.12  1OUSGSSA
2004-03-2316:55 UTCm62610 8.91NGVD291SUSGSSA
2004-03-2316:55 UTCm62611 7.82NAVD881SUSGSSA
2004-03-2316:55 UTCm720196.18  1SUSGSSA
2005-03-2416:56 UTCm62610 9.12NGVD291SUSGSSA
2005-03-2416:56 UTCm62611 8.03NAVD881SUSGSSA
2005-03-2416:56 UTCm720195.97  1SUSGSSA
2006-03-2819:34 UTCm62610 9.58NGVD291SUSGSSA
2006-03-2819:34 UTCm62611 8.49NAVD881SUSGSSA
2006-03-2819:34 UTCm720195.51  1SUSGSSA
2010-04-1922:07 UTCm62610 11.51NGVD291S  A
2010-04-1922:07 UTCm62611 10.42NAVD881S  A
2010-04-1922:07 UTCm720193.58  1S  A

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 agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.