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Groundwater levels for the Nation

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USGS 404111073353303 N 9668. 1

Nassau County, New York
Latitude  40°41'12.0", Longitude  73°35'31.0" NAD83
Land-surface elevation 49.0 feet above NGVD29
The depth of the well is 50 feet below land surface.
The depth of the hole is 55 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
?
 
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
1979-09-1115:03 UTCm62610 30.70NGVD291OUSGSSA
1979-09-1115:03 UTCm62611 29.55NAVD881OUSGSSA
1979-09-1115:03 UTCm7201918.30  1OUSGSSA
1979-12-0619:05 UTCm62610 30.18NGVD291OUSGSSA
1979-12-0619:05 UTCm62611 29.03NAVD881OUSGSSA
1979-12-0619:05 UTCm7201918.82  1OUSGSSA
1980-03-2015:51 UTCm62610 30.57NGVD291OUSGSSA
1980-03-2015:51 UTCm62611 29.42NAVD881OUSGSSA
1980-03-2015:51 UTCm7201918.43  1OUSGSSA
1980-06-0314:37 UTCm62610 32.09NGVD291OUSGSSA
1980-06-0314:37 UTCm62611 30.94NAVD881OUSGSSA
1980-06-0314:37 UTCm7201916.91  1OUSGSSA
1980-09-0419:22 UTCm62610 29.84NGVD291OUSGSSA
1980-09-0419:22 UTCm62611 28.69NAVD881OUSGSSA
1980-09-0419:22 UTCm7201919.16  1OUSGSSA
1980-12-1815:00 UTCm62610 28.63NGVD291OUSGSSA
1980-12-1815:00 UTCm62611 27.48NAVD881OUSGSSA
1980-12-1815:00 UTCm7201920.37  1OUSGSSA
1981-03-1018:42 UTCm62610 28.14NGVD291OUSGSSA
1981-03-1018:42 UTCm62611 26.99NAVD881OUSGSSA
1981-03-1018:42 UTCm7201920.86  1OUSGSSA
1981-06-0417:50 UTCm62610 28.21NGVD291OUSGSSA
1981-06-0417:50 UTCm62611 27.06NAVD881OUSGSSA
1981-06-0417:50 UTCm7201920.79  1OUSGSSA
1981-10-0818:15 UTCm62610 26.94NGVD291OUSGSSA
1981-10-0818:15 UTCm62611 25.79NAVD881OUSGSSA
1981-10-0818:15 UTCm7201922.06  1OUSGSSA
1982-01-1219:38 UTCm62610 28.49NGVD291OUSGSSA
1982-01-1219:38 UTCm62611 27.34NAVD881OUSGSSA
1982-01-1219:38 UTCm7201920.51  1OUSGSSA
1982-03-2218:50 UTCm62610 28.87NGVD291OUSGSSA
1982-03-2218:50 UTCm62611 27.72NAVD881OUSGSSA
1982-03-2218:50 UTCm7201920.13  1OUSGSSA
1982-07-0919:29 UTCm62610 28.60NGVD291OUSGSSA
1982-07-0919:29 UTCm62611 27.45NAVD881OUSGSSA
1982-07-0919:29 UTCm7201920.40  1OUSGSSA
1982-09-1015:15 UTCm62610 28.37NGVD291OUSGSSA
1982-09-1015:15 UTCm62611 27.22NAVD881OUSGSSA
1982-09-1015:15 UTCm7201920.63  1OUSGSSA
1982-12-1414:50 UTCm62610 26.99NGVD291OUSGSSA
1982-12-1414:50 UTCm62611 25.84NAVD881OUSGSSA
1982-12-1414:50 UTCm7201922.01  1OUSGSSA
1983-04-1219:20 UTCm62610 29.69NGVD291OUSGSSA
1983-04-1219:20 UTCm62611 28.54NAVD881OUSGSSA
1983-04-1219:20 UTCm7201919.31  1OUSGSSA
1983-07-0616:06 UTCm62610 31.24NGVD291OUSGSSA
1983-07-0616:06 UTCm62611 30.09NAVD881OUSGSSA
1983-07-0616:06 UTCm7201917.76  1OUSGSSA
1983-08-25 D62610 29.01NGVD291OUSGSSA
1983-08-25 D62611 27.86NAVD881OUSGSSA
1983-08-25 D7201919.99  1OUSGSSA
1984-05-0114:25 UTCm62610 32.67NGVD291OUSGSSA
1984-05-0114:25 UTCm62611 31.52NAVD881OUSGSSA
1984-05-0114:25 UTCm7201916.33  1OUSGSSA
1987-05-2114:20 UTCm62610 29.03NGVD291OUSGSSA
1987-05-2114:20 UTCm62611 27.88NAVD881OUSGSSA
1987-05-2114:20 UTCm7201919.97  1OUSGSSA
1987-07-2818:00 UTCm62610 27.77NGVD291OUSGSSA
1987-07-2818:00 UTCm62611 26.62NAVD881OUSGSSA
1987-07-2818:00 UTCm7201921.23  1OUSGSSA
1988-07-0516:04 UTCm62610 25.91NGVD291OUSGSSA
1988-07-0516:04 UTCm62611 24.76NAVD881OUSGSSA
1988-07-0516:04 UTCm7201923.09  1OUSGSSA
1988-08-1115:55 UTCm62610 25.36NGVD291OUSGSSA
1988-08-1115:55 UTCm62611 24.21NAVD881OUSGSSA
1988-08-1115:55 UTCm7201923.64  1OUSGSSA
1988-09-1914:25 UTCm62610 25.13NGVD291OUSGSSA
1988-09-1914:25 UTCm62611 23.98NAVD881OUSGSSA
1988-09-1914:25 UTCm7201923.87  1OUSGSSA
1989-01-1316:11 UTCm62610 26.18NGVD291OUSGSSA
1989-01-1316:11 UTCm62611 25.03NAVD881OUSGSSA
1989-01-1316:11 UTCm7201922.82  1OUSGSSA
1989-04-1312:45 UTCm62610 27.33NGVD291OUSGSSA
1989-04-1312:45 UTCm62611 26.18NAVD881OUSGSSA
1989-04-1312:45 UTCm7201921.67  1OUSGSSA
1989-07-1912:35 UTCm62610 31.33NGVD291OUSGSSA
1989-07-1912:35 UTCm62611 30.18NAVD881OUSGSSA
1989-07-1912:35 UTCm7201917.67  1OUSGSSA
1989-10-2613:08 UTCm62610 30.85NGVD291OUSGSSA
1989-10-2613:08 UTCm62611 29.70NAVD881OUSGSSA
1989-10-2613:08 UTCm7201918.15  1OUSGSSA
1990-01-17 D62610 30.01NGVD291OUSGSSA
1990-01-17 D62611 28.86NAVD881OUSGSSA
1990-01-17 D7201918.99  1OUSGSSA
1990-03-26 D62610 30.07NGVD291OUSGSSA
1990-03-26 D62611 28.92NAVD881OUSGSSA
1990-03-26 D7201918.93  1OUSGSSA
1990-05-08 D62610 30.65NGVD291OUSGSSA
1990-05-08 D62611 29.50NAVD881OUSGSSA
1990-05-08 D7201918.35  1OUSGSSA
1990-06-19 D62610 31.35NGVD291OUSGSSA
1990-06-19 D62611 30.20NAVD881OUSGSSA
1990-06-19 D7201917.65  1OUSGSSA
1990-08-16 D62610 29.61NGVD291OUSGSSA
1990-08-16 D62611 28.46NAVD881OUSGSSA
1990-08-16 D7201919.39  1OUSGSSA
1990-10-30 D62610 30.06NGVD291OUSGSSA
1990-10-30 D62611 28.91NAVD881OUSGSSA
1990-10-30 D7201918.94  1OUSGSSA
1991-03-2118:25 UTCm62610 30.55NGVD291OUSGSSA
1991-03-2118:25 UTCm62611 29.40NAVD881OUSGSSA
1991-03-2118:25 UTCm7201918.45  1OUSGSSA
1991-06-2416:15 UTCm62610 29.50NGVD291OUSGSSA
1991-06-2416:15 UTCm62611 28.35NAVD881OUSGSSA
1991-06-2416:15 UTCm7201919.50  1OUSGSSA
1991-10-2119:35 UTCm62610 27.65NGVD291OUSGSSA
1991-10-2119:35 UTCm62611 26.50NAVD881OUSGSSA
1991-10-2119:35 UTCm7201921.35  1OUSGSSA
1992-03-1620:10 UTCm62610 27.09NGVD291OUSGSSA
1992-03-1620:10 UTCm62611 25.94NAVD881OUSGSSA
1992-03-1620:10 UTCm7201921.91  1OUSGSSA
1992-06-2916:30 UTCm62610 26.93NGVD291OUSGSSA
1992-06-2916:30 UTCm62611 25.78NAVD881OUSGSSA
1992-06-2916:30 UTCm7201922.07  1OUSGSSA
1993-03-2616:50 UTCm62610 29.81NGVD291OUSGSSA
1993-03-2616:50 UTCm62611 28.66NAVD881OUSGSSA
1993-03-2616:50 UTCm7201919.19  1OUSGSSA
1994-03-3016:50 UTCm62610 28.63NGVD291OUSGSSA
1994-03-3016:50 UTCm62611 27.48NAVD881OUSGSSA
1994-03-3016:50 UTCm7201920.37  1OUSGSSA
1995-03-1412:04 UTCm62610 26.84NGVD291OUSGSSA
1995-03-1412:04 UTCm62611 25.69NAVD881OUSGSSA
1995-03-1412:04 UTCm7201922.16  1OUSGSSA
1997-03-1314:30 UTCm62610 29.31NGVD291OUSGSSA
1997-03-1314:30 UTCm62611 28.16NAVD881OUSGSSA
1997-03-1314:30 UTCm7201919.69  1OUSGSSA
1998-03-2418:46 UTCm62610 30.31NGVD291SUSGSSA
1998-03-2418:46 UTCm62611 29.16NAVD881SUSGSSA
1998-03-2418:46 UTCm7201918.69  1SUSGSSA
2006-03-2415:15 UTCm62610 29.19NGVD291SUSGSSA
2006-03-2415:15 UTCm62611 28.04NAVD881SUSGSSA
2006-03-2415:15 UTCm7201919.81  1SUSGSSA
2007-04-0214:41 UTCm62610 28.75NGVD291SUSGSSA
2007-04-0214:41 UTCm62611 27.60NAVD881SUSGSSA
2007-04-0214:41 UTCm7201920.25  1SUSGSSA
2008-04-2117:10 UTCm62610 29.98NGVD291SUSGSSA
2008-04-2117:10 UTCm62611 28.83NAVD881SUSGSSA
2008-04-2117:10 UTCm7201919.02  1SUSGSSA
2009-04-2717:17 UTCm62610 28.26NGVD291SUSGSSA
2009-04-2717:17 UTCm62611 27.11NAVD881SUSGSSA
2009-04-2717:17 UTCm7201920.74  1SUSGSSA
2010-04-2118:22 UTCm62610 31.80NGVD291SUSGSSA
2010-04-2118:22 UTCm62611 30.65NAVD881SUSGSSA
2010-04-2118:22 UTCm7201917.20  1SUSGSSA
2013-04-1615:01 UTCm62610 29.07NGVD291SUSGSSA
2013-04-1615:01 UTCm62611 27.92NAVD881SUSGSSA
2013-04-1615:01 UTCm7201919.93  1SUSGSSA
2015-04-1520:33 UTCm62610 31.09NGVD291SUSGSSA
2015-04-1520:33 UTCm62611 29.94NAVD881SUSGSSA
2015-04-1520:33 UTCm7201917.91  1SUSGSSA
2016-04-1820:21 UTCm62610 28.09NGVD291SUSGSSA
2016-04-1820:21 UTCm62611 26.94NAVD881SUSGSSA
2016-04-1820:21 UTCm7201920.91  1SUSGSSA
2017-04-1814:58 UTCm62610 27.88NGVD291TUSGSSA
2017-04-1814:58 UTCm62611 26.73NAVD881TUSGSSA
2017-04-1814:58 UTCm7201921.12  1TUSGSSA
2018-04-1820:13 UTCm62610 29.02NGVD291VUSGSSA
2018-04-1820:13 UTCm62611 27.87NAVD881VUSGSSA
2018-04-1820:13 UTCm7201919.98  1VUSGSSA
2020-10-2015:22 UTCm62610 26.78NGVD291VUSGSSA
2020-10-2015:22 UTCm62611 25.63NAVD881VUSGSSA
2020-10-2015:22 UTCm7201922.22  1VUSGSSA
2021-04-2616:33 UTCm62610 30.29NGVD291VUSGSSA
2021-04-2616:33 UTCm62611 29.14NAVD881VUSGSSA
2021-04-2616:33 UTCm7201918.71  1VUSGSSA
2022-05-2418:48 UTCm62610 29.01NGVD291VUSGSSA
2022-05-2418:48 UTCm62611 27.86NAVD881VUSGSSA
2022-05-2418:48 UTCm7201919.99  1VUSGSSA
2023-05-1016:46 UTCm62610 28.72NGVD291VUSGSSA
2023-05-1016:46 UTCm62611 27.57NAVD881VUSGSSA
2023-05-1016:46 UTCm7201920.28  1VUSGSSA
2024-05-1419:30 UTCm62610 32.06NGVD291VUSGSSA
2024-05-1419:30 UTCm62611 30.91NAVD881VUSGSSA
2024-05-1419:30 UTCm7201916.94  1VUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-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.