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Groundwater levels for the Nation

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USGS 404804072484101 S 46713. 1

Suffolk County, New York
Latitude  40°48'04", Longitude  72°48'41" NAD27
Land-surface elevation 20.0 feet above NGVD29
The depth of the well is 444 feet below land surface.
The depth of the hole is 450 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 Magothy Aquifer (211MAGT) 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
1977-03-2418:00 UTCm62610 12.82NGVD291OUSGSSA
1977-03-2418:00 UTCm62611 11.78NAVD881OUSGSSA
1977-03-2418:00 UTCm720197.18  1OUSGSSA
1978-03-1514:45 UTCm62610 15.06NGVD291OUSGSSA
1978-03-1514:45 UTCm62611 14.02NAVD881OUSGSSA
1978-03-1514:45 UTCm720194.94  1OUSGSSA
1979-03-2714:15 UTCm62610 15.13NGVD291OUSGSSA
1979-03-2714:15 UTCm62611 14.09NAVD881OUSGSSA
1979-03-2714:15 UTCm720194.87  1OUSGSSA
1980-03-1312:45 UTCm62610 13.49NGVD291OUSGSSA
1980-03-1312:45 UTCm62611 12.45NAVD881OUSGSSA
1980-03-1312:45 UTCm720196.51  1OUSGSSA
1981-03-1114:30 UTCm62610 12.81NGVD291OUSGSSA
1981-03-1114:30 UTCm62611 11.77NAVD881OUSGSSA
1981-03-1114:30 UTCm720197.19  1OUSGSSA
1982-03-1514:10 UTCm62610 12.81NGVD291OUSGSSA
1982-03-1514:10 UTCm62611 11.77NAVD881OUSGSSA
1982-03-1514:10 UTCm720197.19  1OUSGSSA
1983-03-2215:40 UTCm62610 13.79NGVD291OUSGSSA
1983-03-2215:40 UTCm62611 12.75NAVD881OUSGSSA
1983-03-2215:40 UTCm720196.21  1OUSGSSA
1984-04-1416:00 UTCm62610 14.75NGVD291OUSGSSA
1984-04-1416:00 UTCm62611 13.71NAVD881OUSGSSA
1984-04-1416:00 UTCm720195.25  1OUSGSSA
1985-03-2800:22 UTCm62610 13.52NGVD291OUSGSSA
1985-03-2800:22 UTCm62611 12.48NAVD881OUSGSSA
1985-03-2800:22 UTCm720196.48  1OUSGSSA
1985-03-2800:27 UTCm62610 13.52NGVD291OUSGSSA
1985-03-2800:27 UTCm62611 12.48NAVD881OUSGSSA
1985-03-2800:27 UTCm720196.48  1OUSGSSA
1986-06-2607:35 UTCm62610 12.18NGVD291OUSGSSA
1986-06-2607:35 UTCm62611 11.14NAVD881OUSGSSA
1986-06-2607:35 UTCm720197.82  1OUSGSSA
1986-06-2607:40 UTCm62610 12.19NGVD291OUSGSSA
1986-06-2607:40 UTCm62611 11.15NAVD881OUSGSSA
1986-06-2607:40 UTCm720197.81  1OUSGSSA
1988-04-0715:40 UTCm62610 12.81NGVD291OUSGSSA
1988-04-0715:40 UTCm62611 11.77NAVD881OUSGSSA
1988-04-0715:40 UTCm720197.19  1OUSGSSA
1989-03-2917:55 UTCm62610 11.97NGVD291OUSGSSA
1989-03-2917:55 UTCm62611 10.93NAVD881OUSGSSA
1989-03-2917:55 UTCm720198.03  1OUSGSSA
1990-04-1214:45 UTCm62610 14.16NGVD291OUSGSSA
1990-04-1214:45 UTCm62611 13.12NAVD881OUSGSSA
1990-04-1214:45 UTCm720195.84  1OUSGSSA
1991-04-1614:30 UTCm62610 13.59NGVD291OUSGSSA
1991-04-1614:30 UTCm62611 12.55NAVD881OUSGSSA
1991-04-1614:30 UTCm720196.41  1OUSGSSA
1992-04-0915:55 UTCm62610 12.20NGVD29POUSGSSA
1992-04-0915:55 UTCm62611 11.16NAVD88POUSGSSA
1992-04-0915:55 UTCm720197.80  POUSGSSA
1993-04-2216:05 UTCm62610 13.78NGVD291OUSGSSA
1993-04-2216:05 UTCm62611 12.74NAVD881OUSGSSA
1993-04-2216:05 UTCm720196.22  1OUSGSSA
1994-04-1916:00 UTCm62610 13.27NGVD29POUSGSSA
1994-04-1916:00 UTCm62611 12.23NAVD88POUSGSSA
1994-04-1916:00 UTCm720196.73  POUSGSSA
1996-04-1217:48 UTCm62610 11.41NGVD291SUSGSSA
1996-04-1217:48 UTCm62611 10.37NAVD881SUSGSSA
1996-04-1217:48 UTCm720198.59  1SUSGSSA
1997-04-2216:00 UTCm62610 14.05NGVD291OUSGSSA
1997-04-2216:00 UTCm62611 13.01NAVD881OUSGSSA
1997-04-2216:00 UTCm720195.95  1OUSGSSA
1998-04-2317:46 UTCm62610 14.01NGVD291SUSGSSA
1998-04-2317:46 UTCm62611 12.97NAVD881SUSGSSA
1998-04-2317:46 UTCm720195.99  1SUSGSSA
1999-04-2215:20 UTCm62610 13.22NGVD291SUSGSSA
1999-04-2215:20 UTCm62611 12.18NAVD881SUSGSSA
1999-04-2215:20 UTCm720196.78  1SUSGSSA
2000-03-2116:47 UTCm62610 12.67NGVD291SUSGSSA
2000-03-2116:47 UTCm62611 11.63NAVD881SUSGSSA
2000-03-2116:47 UTCm720197.33  1SUSGSSA
2001-03-2913:08 UTCm62610 12.68NGVD291SUSGSSA
2001-03-2913:08 UTCm62611 11.64NAVD881SUSGSSA
2001-03-2913:08 UTCm720197.32  1SUSGSSA
2002-03-2814:17 UTCm62610 11.87NGVD291SUSGSSA
2002-03-2814:17 UTCm62611 10.83NAVD881SUSGSSA
2002-03-2814:17 UTCm720198.13  1SUSGSSA
2003-03-2713:20 UTCm62610 13.10NGVD291SUSGSSA
2003-03-2713:20 UTCm62611 12.06NAVD881SUSGSSA
2003-03-2713:20 UTCm720196.90  1SUSGSSA
2004-03-2314:37 UTCm62610 13.27NGVD291SUSGSSA
2004-03-2314:37 UTCm62611 12.23NAVD881SUSGSSA
2004-03-2314:37 UTCm720196.73  1SUSGSSA
2005-03-2414:09 UTCm62610 13.05NGVD291SUSGSSA
2005-03-2414:09 UTCm62611 12.01NAVD881SUSGSSA
2005-03-2414:09 UTCm720196.95  1SUSGSSA
2006-04-0414:48 UTCm62610 13.44NGVD291SUSGSSA
2006-04-0414:48 UTCm62611 12.40NAVD881SUSGSSA
2006-04-0414:48 UTCm720196.56  1SUSGSSA
2007-03-2314:30 UTCm62610 13.95NGVD291SUSGSSA
2007-03-2314:30 UTCm62611 12.91NAVD881SUSGSSA
2007-03-2314:30 UTCm720196.05  1SUSGSSA
2008-04-1013:17 UTCm62610 13.25NGVD291SUSGSSA
2008-04-1013:17 UTCm62611 12.21NAVD881SUSGSSA
2008-04-1013:17 UTCm720196.75  1SUSGSSA
2009-04-0312:40 UTCm62610 13.30NGVD291S  A
2009-04-0312:40 UTCm62611 12.26NAVD881S  A
2009-04-0312:40 UTCm720196.70  1S  A
2010-04-1312:39 UTCm62610 15.30NGVD291SUSGSSA
2010-04-1312:39 UTCm62611 14.26NAVD881SUSGSSA
2010-04-1312:39 UTCm720194.70  1SUSGSSA
2011-04-0615:41 UTCm62610 12.23NGVD291SUSGSSA
2011-04-0615:41 UTCm62611 11.19NAVD881SUSGSSA
2011-04-0615:41 UTCm720197.77  1SUSGSSA
2012-04-0918:40 UTCm62610 9.95NGVD291S  A
2012-04-0918:40 UTCm62611 8.91NAVD881S  A
2012-04-0918:40 UTCm7201910.05  1S  A
2013-04-1213:48 UTCm62610 13.08NGVD291S  A
2013-04-1213:48 UTCm62611 12.04NAVD881S  A
2013-04-1213:48 UTCm720196.92  1S  A
2014-04-1014:13 UTCm62610 12.73NGVD291S  A
2014-04-1014:13 UTCm62611 11.69NAVD881S  A
2014-04-1014:13 UTCm720197.27  1S  A
2015-04-0814:41 UTCm62610 12.85NGVD291S  A
2015-04-0814:41 UTCm62611 11.81NAVD881S  A
2015-04-0814:41 UTCm720197.15  1S  A
2016-04-1315:25 UTCm62610 11.98NGVD291SUSGSSA
2016-04-1315:25 UTCm62611 10.94NAVD881SUSGSSA
2016-04-1315:25 UTCm720198.02  1SUSGSSA
2017-04-1215:00 UTCm62610 11.92NGVD291SUSGSSA
2017-04-1215:00 UTCm62611 10.88NAVD881SUSGSSA
2017-04-1215:00 UTCm720198.08  1SUSGSSA
2018-04-1115:05 UTCm62610 12.80NGVD291SUSGSSA
2018-04-1115:05 UTCm62611 11.76NAVD881SUSGSSA
2018-04-1115:05 UTCm720197.20  1SUSGSSA
2019-04-1012:46 UTCm62610 14.34NGVD291OUSGSSA
2019-04-1012:46 UTCm62611 13.30NAVD881OUSGSSA
2019-04-1012:46 UTCm720195.66  1OUSGSSA
2020-09-3013:04 UTCm62610 10.63NGVD291SUSGSSA
2020-09-3013:04 UTCm62611 9.59NAVD881SUSGSSA
2020-09-3013:04 UTCm720199.37  1SUSGSSA
2021-04-1112:11 UTCm62610 12.97NGVD291SUSGSSA
2021-04-1112:11 UTCm62611 11.93NAVD881SUSGSSA
2021-04-1112:11 UTCm720197.03  1SUSGSSA
2023-04-0513:04 UTCm62610 12.28NGVD291VUSGSSA
2023-04-0513:04 UTCm62611 11.24NAVD881VUSGSSA
2023-04-0513:04 UTCm720197.72  1VUSGSSA

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
StatusPPumping
Method of measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementVCalibrated electric-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.